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From the Department of Psychiatry, Brigham and Women’s Hospital, and Harvard Medical School, Boston, MA.

Abstract

  • Objective: To provide a review of emergency department (ED)-based psychosocial interventions that support adult patients with an identified suicide risk towards a goal of reducing subsequent suicidal behavior through the period after discharge, which is known to be a time of high risk for suicidal behavior.
  • Methods: Non-systematic review of the literature.
  • Results: Multiple methods of engaging patients after discharge from the ED have been shown to reduce subsequent suicidal behaviors. These methods include sending caring letters in the mail, facilitating supportive phone conversations, case management, and protocols that combine different services. Overall, the existing literature is insufficient to recommend widespread adoption of any individual strategy or protocol. However, providing psychosocial and emotional support to patients with an identified suicide risk after they are discharged from the ED is feasible and may reduce subsequent suicidal behaviors. Templates for providing supportive outreach using different modalities now exist, and these may help guide the ongoing development and widespread adoption of more effective and cost-effective solutions.
  • Conclusion: Many ED–based interventions that provide enhanced support to patients with suicide risk after they are discharged have demonstrated a potential to reduce the risk of future suicidal behavior.

Key words: suicide; emergency department.

 

Despite the fact that emergency department (ED) providers often feel unprepared to manage suicide risk, patients with significant suicide risk frequently receive care in EDs, whether or not they have sustained physical injuries resulting from suicidal behavior [1,2]. Patients make greater than 400,000 visits to EDs in the United States each year for suicidal and self-injurious behaviors (suicide attempts and self-injurious behaviors are typically coded in ways that make them indistinguishable from each other in retrospective analyses) [3], and it is estimated that 6% to 10% of all patients in EDs endorse suicidal ideation when asked, regardless of their original chief complaints [4]. Meanwhile, suicide has become the 10th leading cause of death in the United States [5], and the Joint Commission has charged all accredited health care organizations with providing comprehensive treatment to suicidal patients, which may range from immediately containing an acute risk to ensuring continuity of care in follow-up [5].

When an acute suicide risk is identified in the ED, the provider’s immediate next steps should be to place the patient in a safe area under constant observation and to provide an emergency assessment [5,6]. Although psychiatric consultation and/or psychiatric admission may follow this assessment, suicide risk does not require admission in all cases; and some patients with suicide risk may be discharged to an outpatient setting even without receiving a psychiatric consultation [1]. Regardless of whether an outpatient disposition from the ED is appropriate, however, the period that immediately follows discharge is a time of high risk for repeated suicidal behavior and suicide death [7–9], and only 30% to 50% of patients who are discharged from EDs after a self-harm incident actually keep a follow-up mental health appointment [9,10]. Therefore, any support given to patients through this transition out of the emergency care setting could be especially high-yield.

The Joint Commission recommends that all patients with suicidal ideation receive, at minimum, a referral to treatment, telephone numbers for local and national crisis support resources (including the National Suicide Prevention Lifeline 1-800-273-TALK), collaborative safety planning, and counseling to restrict access to lethal means upon discharge [5]. However, some programs have demonstrated the capacity to provide enhanced support to patients beyond discharge from the ED, with some success in reducing the rates of subsequent suicidal behaviors. This non-systematic review describes interventions that can be initiated in the context of an ED encounter with the purpose of reducing future suicidal behavior among adult patients. They are primarily psychosocial rather than clinical. Clinical interventions that apply psychotherapy [11–13] psychopharmacology [14], and specialized inpatient treatments [15] have been studied as well but are beyond the scope of this review.

[polldaddy:10107269]

Interventions to Support Patients At Risk of Suicide After Discharge from the ED

Brief Contact Interventions

The idea that maintaining written correspondence with patients who have a known suicide risk after discharge can reduce subsequent suicide rates originated with a study of psychiatric inpatients conducted by Motto and Bostrom, in which patients who had been admitted for depression but had declined outpatient treatment were randomly assigned to periodically receive letters containing supportive messages from staff members over a period of 5 years [16]. This study remarkably found that these so-called brief contact interventions (BCIs), which were personalized to each recipient but did not contain psychotherapy per se, were associated with a reduced rate of suicide throughout the duration of the program compared with no written contacts [16].

 

 

BCIs have since been adapted to other communication formats and have been studied in patients who were discharged directly from the ED after an evaluation of suicide risk or suicidal behavior. Typically, BCIs consist of short, supportive messages that are delivered at regular intervals (often once every 1–2 months) over a period of 1 to 5 years [17,18]. They notably do not contain psychotherapy content, although they may reinforce coping strategies or remind recipients of how to access help if needed [17,19]. They may arrive as postcards [20,21], letters [22], telephone outreach [23–25], or a combination of modalities [26].

Protocols that rely on BCIs alone vary in their structure and have yielded mixed results [18]. A meta-analysis of 12 BCI protocols conducted by Milner et al found that, overall, BCIs administered after a presentation to the ED for self-harm have been associated with a significant reduction in repeat suicide attempts per recipient but not in total suicide deaths [27]. Milner’s group did not recommend large-scale promotion of BCIs based on the inadequacy of data so far, but suggested that this strategy may yet show promise upon further study [27]. A key advantage of BCIs is that they are inexpensive to implement, particularly if they do not include a telephone outreach component [28]. Thus, even if the potential benefit to patients is small, administering BCIs can be cost-effective [28].

It should not come as a surprise, therefore, that the potential for incorporation of BCIs into mobile smartphone technology is currently under investigation. Individuals who own mobile phones typically keep them on their persons and turned on continuously, and thus this is a reliable platform for maintaining contact with a wide range of patients in real-time [17,29]. Developers of at least 2 BCI smartphone programs that rely on mobile text messaging have published their protocols [17,30]. However, whether these programs will succeed in meaningfully reducing suicide rates remains to be determined by future research.

Green Cards

Morgan et al conducted a study in the United Kingdom in which individuals who presented to EDs after a self-harm event received a “green card,” which contained encouraging messages about seeking help and provided contact information for emergency services with 24-hour availability [31]. The green card also facilitated access to a crisis admission if necessary. The green card was distributed first in the ED and a second time by mail 3 weeks later. No suicides occurred in either the intervention or control group, which received usual care, and no statistically significant differences in suicide reattempt rate were found between groups after 1 year [31].

Evans et al studied an updated version of the green card intervention in which the green card facilitated access to an on-call psychiatrist with 24-hour availability by telephone [32]. The updated card included encouraging messages about seeking help similar to the original green card described by Morgan; however, the psychiatry consultation via telephone replaced the offer of hospital admission [32]. This second trial of green cards also failed to show a reduction in the rate of suicide reattempts among green card recipients at 6 months and 1 year [32,33].

Brief Intervention and Contact

The World Health Organization’s Brief Intervention and Contact (BIC) protocol is a standardized, multi-step suicide prevention program that has been studied primarily in patients who present to EDs after a suicide attempt in middle-income countries [34]. BIC includes a 1-hour information session that is administered shortly prior to discharge, and subsequently provides 9 follow-up contact interventions at specified intervals over an 18-month period. Unlike in a typical BCI, the contacts in BIC are conducted by a clinician either face-to-face or over the phone and include standardized assessments of the patient’s condition, although they still do not include psychotherapy. BIC has been shown to reduce suicide attempts, suicide deaths, or both in India [34–36], Iran [34,36,37], China [34,36], Brazil [34,36], and Sri Lanka [34,36] but was not found to directly improve clinical outcomes in a study conducted in French Polynesia [38]. A meta-analysis conducted by Riblet et al concluded that BIC is effective in reducing suicide risk overall [39].

ED-SAFE

The Emergency Department Safety Assessment and Follow-up Evaluation (ED-SAFE) protocol was validated in 8 EDs in 7 states in the US that did not already provide psychiatric services internally [40]. Under this model, all patients in the ED receive a screening for suicide risk, and those with an initial positive screen receive a secondary screen administered by the ED physician, a self-administered safety plan, and a series of up to 11 phone contacts over the following year that are administered by trained mental health clinicians in a central location. The ED-SAFE phone contacts follow the Coping Long Term with Active Suicide Program (CLASP) protocol [41] and provide support around safety planning and treatment engagement. They have the capacity to engage the patients’ significant others directly if a significant other is available and the patient chooses to involve that person.

 

 

In a single multicenter study, ED-SAFE reduced the absolute risk of suicide attempt by 5%, and the relative risk by 20% compared to usual treatment [40]. An intermediate phase of the study compared the universal suicide screening alone (ie, without the safety plan or follow-up contacts) with usual care and did not find this to improve outcomes [40].

Case Management

Kawanishi et al conducted a randomized controlled trial of assertive case management, the ACTION-J study, for patients with psychiatric diagnoses who presented with self-harm to 17 participating EDs in Japan [42]. In the ACTION-J study, case managers were mental health clinicians who provided clinical evaluations, treatment planning, encouragement, and care coordination over the course of 7 scheduled face-to-face or phone contacts in the first 18 months, and additional contacts at 6-month intervals until the completion of the trial (up to a total of 5 years) [43]. The comparison intervention, enhanced usual care, consisted of psychoeducation provided at the time of the encounter in the ED without case management services. The assertive case management intervention was associated with a decrease in suicidal behavior in the first 6 months but not for the duration of the study, except in women, for whom the benefit lasted the full 18 months [42]. A subsequent analysis also found a decrease in the total number of self-harm episodes per person-year compared to enhanced usual care, although there was not a difference in the number of participants who experienced a repeat self-harm episode [43]. The benefit was most strongly pronounced among patients who had presented with an index suicide attempt [43].

Morthorst et al applied an alternative case management model for the assertive intervention for deliberate self harm (AID) trial, which took place in Denmark [44]. Participants were aged 12 and older and could have been recruited from medical or pediatric inpatient units as well as the ED after a self-harm event. AID employed psychiatric nurses to provide crisis intervention, crisis planning, problem solving, motivational support, family mediation, and assistance with keeping appointments over a period of 6 months following discharge. Outreach took place over the phone, by text message, in participants’ homes, in cafes, and at health and social services appointments. The intervention required at least 4 contacts, although additional contacts could be made if appropriate. In comparison with a control group, in which participants received only usual care (which included ready access to short-term psychotherapy), the AID intervention was not associated with statistically significant differences in recurrent suicidal behaviors [44]. Subgroup analyses examining adult participants aged 20–39 and 40 and older also did not find differences in recurrent suicidal behavior between groups [44].

The Baerum Model and OPAC

A municipal suicide prevention team that provides comprehensive social services to suicide attempters has operated in Baerum, Norway, since 1983 [45]. Under the Baerum model, patients who attempt suicide, can be discharged from the general hospital without psychiatric admission, and are determined to have a high level of need for support are connected by a hospital-based suicide prevention team to a community-based team consisting of nurses and a consulting psychologist, who subsequently engage patients in own their homes and through follow-up phone calls. The services they provide include care coordination, encouragement, activation of social networks, psychological first-aid, and counseling focused on problem-solving. The ostensible goal of the suicide prevention team is to provide a bridge between inpatient medical care and outpatient mental health treatment; however, the intervention lasts approximately 1 year regardless of whether the patient connects with a treatment program [45].

A retrospective comparison of outcomes between recipients of the original Baerum program and non-recipients failed to find a difference in suicide attempts or suicide deaths between groups [45]. However, this was not a controlled study, and suicide attempters were preferentially referred to the program based on whether they had a higher level of need at baseline. Hvid and Wang adapted this model to patients who presented to EDs and general hospitals in Amager, Denmark [46] and have since conducted a series of randomized controlled trials comparing their adaptation to usual care. The Danish version of the Baerum model, renamed OPAC (for “outreach, problem solving, adherence, continuity”), provides similar case management and counseling services but for a maximum of 6 months. In their studies, OPAC significantly reduced the number of patients with a repeat suicide attempt and the total number of repeat suicide attempts at a 1-year interval, and this effect on total number of suicide attempts was sustained at 5 years [47,48]. Although the OPAC protocol begins with a patient’s presentation to the ED, the intervention is initiated after admission to the general hospital. Therefore, while this may inspire a model that provides similar services directly from the ED to patients who do not require general hospital admission, the existing model is not entirely based in the ED.

 

 

Discussion

The needs of suicidal patients are often multidimensional, and in some cases their risks are driven by psychosocial problems in addition to, or instead of, medically modifiable psychiatric conditions [49]. However, developing an ED-based program to support patients who are at risk of suicide after they are discharged from the ED is possible. Many such programs that provide or facilitate caring contacts, family support, case management, and/or treatment engagement with discharged patients have demonstrated that similar strategies may have the potential to impact future suicidal behavior. Nonetheless, it would be a stretch to say that all hospital systems should immediately begin doing so.

A new post-discharge support program is an investment of financial resources, personnel, and sometimes technology. Successful delivery of support or messages in any format requires that the intended recipient be able to receive it via reliable access to a working address, telephone number, or electronic device. Nonetheless, programs that rely on BCIs alone (excluding those conducted via telephone) cost relatively little to implement and thus would require a smaller investment than programs that require synchronous telephone or face-to-face contacts with staff in addition to or instead of BCIs. Costs for synchronous programs will also vary depending on the frequency and duration of contacts and the licensure and training required of the staff who provide them.

A trend toward better outcomes associating with more resource-intensive programs is easy to imagine but has not been definitively demonstrated. The wide variation between protocols in all types of programs makes comparisons between those that do and do not include synchronous contacts, and between types of synchronous contacts, difficult. Meanwhile, the low cost of BCIs alone could increase their attractiveness as an investment regardless of the magnitude of outcome improvement.

Denchev et al constructed a cost/benefit comparison model that included the postcard BCI study conducted by Carter et al [20], the telephone outreach study conducted by Vaiva et al [23], and a study of cognitive behavioral therapy (CBT) [11], all of which showed a clinical benefit. This model relied upon some numeric estimations and did not account for variation in outcomes between individual studies of each intervention strategy. However, it concluded that both telephone outreach and CBT were likely to be cost-prohibitive compared to asynchronous BCIs, which were associated with a reduction in costs overall [28].

Conclusion

There remains much to learn regarding how best to reduce suicide risk among adult patients in the period after discharge from the ED, during which patients with an identified suicide risk are known to be vulnerable. However, providing psychosocial and emotional support to patients with an identified suicide risk after they are discharged from the ED is feasible and may reduce subsequent suicidal behaviors. Templates for providing supportive outreach using different modalities now exist, and these may help guide the ongoing development and widespread adoption of more effective and cost-effective solutions.

Corresponding author: David S. Kroll, MD, dskroll@bwh.harvard.edu.

Financial disclosure: Dr. Kroll has received research funding from Brigham and Women’s Hospital to study and develop technological solutions for supporting suicidal patients after discharge from the emergency department. He has additionally received research funding and a speaking honorarium from Avasure.

References

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13. Hawton K, Witt KG, Salisbury TLT, et al. Psychosocial interventions following self-harm in adults: a systematic review and meta-analysis. Lancet Psychiatry. 2016;3:740–50.

14. Battaglia J, Wolff TK, Wagner-Johnson DS, et al. Structured diagnostic assessment and depot fluphenazine treatment of multiple suicide attempters in the emergency department. Int Clin Psychopharmacol 1999;14:361–72.

15. van der Sande R, van Rooijen L, Buskens E, et al. Intensive in-patient and community intervention versus routine care after attempted suicide. A randomised controlled intervention study. Br J Psychiatry 1997;171:35–41.

16. Motto JA, Bostrom AG. A randomized controlled trial of postcrisis suicide prevention. Psychiatr Serv 2001;52:828–33.

17. Berrouiguet S, Larsen ME, Mesmeur C, Gravey M, Billot R, Walter M, et al. Toward mHealth brief contact interventions in suicide prevention: case series from the suicide intervention assisted by messages (SIAM) randomized controlled trial. JMIR MHealth UHealth 2018;6:e8.

18. Falcone G, Nardella A, Lamis DA, et al. Taking care of suicidal patients with new technologies and reaching-out means in the post-discharge period. World J Psychiatry 2017;7:163–76.

19. Milner A, Spittal MJ, Kapur N, et al. Mechanisms of brief contact interventions in clinical populations: a systematic review. BMC Psychiatry 2016;16:194.

20. Carter GL, Clover K, Whyte IM, et al. Postcards from the EDge: 5-year outcomes of a randomised controlled trial for hospital-treated self-poisoning. Br J Psychiatry 2013;202:372–80.

21. Hassanian-Moghaddam H, Sarjami S, Kolahi AA, Carter GL. Postcards in Persia: randomised controlled trial to reduce suicidal behaviours 12 months after hospital-treated self-poisoning. Br J Psychiatry 2011;198:309–16.

22. Luxton DD, Thomas EK, Chipps J, et al. Caring letters for suicide prevention: implementation of a multi-site randomized clinical trial in the U.S. military and Veteran Affairs healthcare systems. Contemp Clin Trials 2014;37(2):252–60.

23. Vaiva G, Vaiva G, Ducrocq F, et al. Effect of telephone contact on further suicide attempts in patients discharged from an emergency department: randomised controlled study. BMJ 2006;332:1241–5.

24. Cebrià AI, Parra I, Pàmias M, et al. Effectiveness of a telephone management programme for patients discharged from an emergency department after a suicide attempt: controlled study in a Spanish population. J Affect Disord 2013;147:269–76.

25. Cedereke M, Monti K, Ojehagen A. Telephone contact with patients in the year after a suicide attempt: does it affect treatment attendance and outcome? A randomised controlled study. Eur Psychiatry. 2002;17:82–91.

26. Vaiva G, Walter M, Al Arab AS, et al. ALGOS: the development of a randomized controlled trial testing a case management algorithm designed to reduce suicide risk among suicide attempters. BMC Psychiatry 2011;11:1.

27. Milner AJ, Carter G, Pirkis J, et al. Letters, green cards, telephone calls and postcards: systematic and meta-analytic review of brief contact interventions for reducing self-harm, suicide attempts and suicide. Br J Psychiatry. 2015;206:184–90.

28. Denchev P, Pearson JL, Allen MH, Claassen CA, Currier GW, Zatzick DF, et al. Modeling the cost-effectiveness of interventions to reduce suicide risk among hospital emergency department patients. Psychiatr Serv 2018;69:23–31.

29. Berrouiguet S, Courtet P, Larsen ME, et al. Suicide prevention: towards integrative, innovative and individualized brief contact interventions. Eur Psychiatry 2018;47:25–6.

30. Larsen ME, Shand F, Morley K, Batterham PJ, Petrie K, Reda B, et al. A mobile text message intervention to reduce repeat suicidal episodes: design and development of reconnecting after a suicide attempt (RAFT). JMIR Ment Health 2017;4:e56.

31. Morgan HG, Jones EM, Owen JH. Secondary prevention of non-fatal deliberate self-harm. The green card study. Br J Psychiatry 1993;163:111–2.

32. Evans MO, Morgan HG, Hayward A, Gunnell DJ. Crisis telephone consultation for deliberate self-harm patients: effects on repetition. Br J Psychiatry 1999;175:23–7.

33. Evans J, Evans M, Morgan HG, et al. Crisis card following self-harm: 12-month follow-up of a randomised controlled trial. Br J Psychiatry J 2005;187:186–7.

34. Fleischmann A, Bertolote JM, Wasserman D, et al. Effectiveness of brief intervention and contact for suicide attempters: a randomized controlled trial in five countries. Bull World Health Organ 2008;86:703–9.

35. Vijayakumar L, Umamaheswari C, Shujaath Ali ZS, et al. Intervention for suicide attempters: a randomized controlled study. Indian J Psychiatry 2011;53:244–8.

36. Bertolote JM, Fleischmann A, De Leo D, et al. Repetition of suicide attempts: data from emergency care settings in five culturally different low- and middle-income countries participating in the WHO SUPRE-MISS Study. Crisis 2010;31:194–201.

37. Mousavi SG, Zohreh R, Maracy MR, et al. The efficacy of telephonic follow up in prevention of suicidal reattempt in patients with suicide attempt history. Adv Biomed Res 2014;3:198.

38. Amadéo S, Rereao M, Malogne A, et al. Testing brief intervention and phone contact among subjects with suicidal behavior: a randomized controlled trial in French Polynesia in the frames of the World Health Organization/suicide trends in at-risk territories study. Ment Illn 2015;7:5818.

39. Riblet NBV, Shiner B, Young-Xu Y, Watts BV. Strategies to prevent death by suicide: meta-analysis of randomised controlled trials. Br J Psychiatry 2017;210:396–402.

40. Miller IW, Camargo CA Jr, Arias SA, et al. Suicide prevention in an emergency department population: the ED-SAFE study. JAMA Psychiatry 2017;74:563–70.

41. Miller IW, Gaudiano BA, Weinstock LM. The coping long term with active suicide program: description and pilot data. Suicide Life Threat Behav 2016;46:752–61.

42. Kawanishi C, Aruga T, Ishizuka N, et al. Assertive case management versus enhanced usual care for people with mental health problems who had attempted suicide and were admitted to hospital emergency departments in Japan (ACTION-J): a multicentre, randomised controlled trial. Lancet Psychiatry 2014;1:193–201.

43. Furuno T, Nakagawa M, Hino K, et al. Effectiveness of assertive case management on repeat self-harm in patients admitted for suicide attempt: findings from ACTION-J study. J Affect Disord 2018;225:460–5.

44. Morthorst B, Krogh J, Erlangsen A, et al. Effect of assertive outreach after suicide attempt in the AID (assertive intervention for deliberate self harm) trial: randomised controlled trial. BMJ 2012;345:e4972.

45. Johannessen HA, Dieserud G, De Leo D, Claussen B, et al. Chain of care for patients who have attempted suicide: a follow-up study from Bærum, Norway. BMC Public Health 2011;11:81.

46. Hvid M, Wang AG. Preventing repetition of attempted suicide—I. Feasibility (acceptability, adherence, and effectiveness) of a Baerum-model like aftercare. Nord J Psychiatry 2009;63:148–53.

47. Hvid M, Vangborg K, Sørensen HJ, et al. Preventing repetition of attempted suicide-II. The Amager project, a randomized controlled trial. Nord J Psychiatry 2011;65:292–8.

48. Lahoz T, Hvid M, Wang AG. Preventing repetition of attempted suicide-III. The Amager project, 5-year follow-up of a randomized controlled trial. Nord J Psychiatry 2016;70:547–53.

49. Kroll DS, Karno J, Mullen B, et al. Clinical severity alone does not determine disposition decisions for patients in the emergency department with suicide risk. Psychosomatics 2017; pii: S0033-3182(17)30247–5.

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From the Department of Psychiatry, Brigham and Women’s Hospital, and Harvard Medical School, Boston, MA.

Abstract

  • Objective: To provide a review of emergency department (ED)-based psychosocial interventions that support adult patients with an identified suicide risk towards a goal of reducing subsequent suicidal behavior through the period after discharge, which is known to be a time of high risk for suicidal behavior.
  • Methods: Non-systematic review of the literature.
  • Results: Multiple methods of engaging patients after discharge from the ED have been shown to reduce subsequent suicidal behaviors. These methods include sending caring letters in the mail, facilitating supportive phone conversations, case management, and protocols that combine different services. Overall, the existing literature is insufficient to recommend widespread adoption of any individual strategy or protocol. However, providing psychosocial and emotional support to patients with an identified suicide risk after they are discharged from the ED is feasible and may reduce subsequent suicidal behaviors. Templates for providing supportive outreach using different modalities now exist, and these may help guide the ongoing development and widespread adoption of more effective and cost-effective solutions.
  • Conclusion: Many ED–based interventions that provide enhanced support to patients with suicide risk after they are discharged have demonstrated a potential to reduce the risk of future suicidal behavior.

Key words: suicide; emergency department.

 

Despite the fact that emergency department (ED) providers often feel unprepared to manage suicide risk, patients with significant suicide risk frequently receive care in EDs, whether or not they have sustained physical injuries resulting from suicidal behavior [1,2]. Patients make greater than 400,000 visits to EDs in the United States each year for suicidal and self-injurious behaviors (suicide attempts and self-injurious behaviors are typically coded in ways that make them indistinguishable from each other in retrospective analyses) [3], and it is estimated that 6% to 10% of all patients in EDs endorse suicidal ideation when asked, regardless of their original chief complaints [4]. Meanwhile, suicide has become the 10th leading cause of death in the United States [5], and the Joint Commission has charged all accredited health care organizations with providing comprehensive treatment to suicidal patients, which may range from immediately containing an acute risk to ensuring continuity of care in follow-up [5].

When an acute suicide risk is identified in the ED, the provider’s immediate next steps should be to place the patient in a safe area under constant observation and to provide an emergency assessment [5,6]. Although psychiatric consultation and/or psychiatric admission may follow this assessment, suicide risk does not require admission in all cases; and some patients with suicide risk may be discharged to an outpatient setting even without receiving a psychiatric consultation [1]. Regardless of whether an outpatient disposition from the ED is appropriate, however, the period that immediately follows discharge is a time of high risk for repeated suicidal behavior and suicide death [7–9], and only 30% to 50% of patients who are discharged from EDs after a self-harm incident actually keep a follow-up mental health appointment [9,10]. Therefore, any support given to patients through this transition out of the emergency care setting could be especially high-yield.

The Joint Commission recommends that all patients with suicidal ideation receive, at minimum, a referral to treatment, telephone numbers for local and national crisis support resources (including the National Suicide Prevention Lifeline 1-800-273-TALK), collaborative safety planning, and counseling to restrict access to lethal means upon discharge [5]. However, some programs have demonstrated the capacity to provide enhanced support to patients beyond discharge from the ED, with some success in reducing the rates of subsequent suicidal behaviors. This non-systematic review describes interventions that can be initiated in the context of an ED encounter with the purpose of reducing future suicidal behavior among adult patients. They are primarily psychosocial rather than clinical. Clinical interventions that apply psychotherapy [11–13] psychopharmacology [14], and specialized inpatient treatments [15] have been studied as well but are beyond the scope of this review.

[polldaddy:10107269]

Interventions to Support Patients At Risk of Suicide After Discharge from the ED

Brief Contact Interventions

The idea that maintaining written correspondence with patients who have a known suicide risk after discharge can reduce subsequent suicide rates originated with a study of psychiatric inpatients conducted by Motto and Bostrom, in which patients who had been admitted for depression but had declined outpatient treatment were randomly assigned to periodically receive letters containing supportive messages from staff members over a period of 5 years [16]. This study remarkably found that these so-called brief contact interventions (BCIs), which were personalized to each recipient but did not contain psychotherapy per se, were associated with a reduced rate of suicide throughout the duration of the program compared with no written contacts [16].

 

 

BCIs have since been adapted to other communication formats and have been studied in patients who were discharged directly from the ED after an evaluation of suicide risk or suicidal behavior. Typically, BCIs consist of short, supportive messages that are delivered at regular intervals (often once every 1–2 months) over a period of 1 to 5 years [17,18]. They notably do not contain psychotherapy content, although they may reinforce coping strategies or remind recipients of how to access help if needed [17,19]. They may arrive as postcards [20,21], letters [22], telephone outreach [23–25], or a combination of modalities [26].

Protocols that rely on BCIs alone vary in their structure and have yielded mixed results [18]. A meta-analysis of 12 BCI protocols conducted by Milner et al found that, overall, BCIs administered after a presentation to the ED for self-harm have been associated with a significant reduction in repeat suicide attempts per recipient but not in total suicide deaths [27]. Milner’s group did not recommend large-scale promotion of BCIs based on the inadequacy of data so far, but suggested that this strategy may yet show promise upon further study [27]. A key advantage of BCIs is that they are inexpensive to implement, particularly if they do not include a telephone outreach component [28]. Thus, even if the potential benefit to patients is small, administering BCIs can be cost-effective [28].

It should not come as a surprise, therefore, that the potential for incorporation of BCIs into mobile smartphone technology is currently under investigation. Individuals who own mobile phones typically keep them on their persons and turned on continuously, and thus this is a reliable platform for maintaining contact with a wide range of patients in real-time [17,29]. Developers of at least 2 BCI smartphone programs that rely on mobile text messaging have published their protocols [17,30]. However, whether these programs will succeed in meaningfully reducing suicide rates remains to be determined by future research.

Green Cards

Morgan et al conducted a study in the United Kingdom in which individuals who presented to EDs after a self-harm event received a “green card,” which contained encouraging messages about seeking help and provided contact information for emergency services with 24-hour availability [31]. The green card also facilitated access to a crisis admission if necessary. The green card was distributed first in the ED and a second time by mail 3 weeks later. No suicides occurred in either the intervention or control group, which received usual care, and no statistically significant differences in suicide reattempt rate were found between groups after 1 year [31].

Evans et al studied an updated version of the green card intervention in which the green card facilitated access to an on-call psychiatrist with 24-hour availability by telephone [32]. The updated card included encouraging messages about seeking help similar to the original green card described by Morgan; however, the psychiatry consultation via telephone replaced the offer of hospital admission [32]. This second trial of green cards also failed to show a reduction in the rate of suicide reattempts among green card recipients at 6 months and 1 year [32,33].

Brief Intervention and Contact

The World Health Organization’s Brief Intervention and Contact (BIC) protocol is a standardized, multi-step suicide prevention program that has been studied primarily in patients who present to EDs after a suicide attempt in middle-income countries [34]. BIC includes a 1-hour information session that is administered shortly prior to discharge, and subsequently provides 9 follow-up contact interventions at specified intervals over an 18-month period. Unlike in a typical BCI, the contacts in BIC are conducted by a clinician either face-to-face or over the phone and include standardized assessments of the patient’s condition, although they still do not include psychotherapy. BIC has been shown to reduce suicide attempts, suicide deaths, or both in India [34–36], Iran [34,36,37], China [34,36], Brazil [34,36], and Sri Lanka [34,36] but was not found to directly improve clinical outcomes in a study conducted in French Polynesia [38]. A meta-analysis conducted by Riblet et al concluded that BIC is effective in reducing suicide risk overall [39].

ED-SAFE

The Emergency Department Safety Assessment and Follow-up Evaluation (ED-SAFE) protocol was validated in 8 EDs in 7 states in the US that did not already provide psychiatric services internally [40]. Under this model, all patients in the ED receive a screening for suicide risk, and those with an initial positive screen receive a secondary screen administered by the ED physician, a self-administered safety plan, and a series of up to 11 phone contacts over the following year that are administered by trained mental health clinicians in a central location. The ED-SAFE phone contacts follow the Coping Long Term with Active Suicide Program (CLASP) protocol [41] and provide support around safety planning and treatment engagement. They have the capacity to engage the patients’ significant others directly if a significant other is available and the patient chooses to involve that person.

 

 

In a single multicenter study, ED-SAFE reduced the absolute risk of suicide attempt by 5%, and the relative risk by 20% compared to usual treatment [40]. An intermediate phase of the study compared the universal suicide screening alone (ie, without the safety plan or follow-up contacts) with usual care and did not find this to improve outcomes [40].

Case Management

Kawanishi et al conducted a randomized controlled trial of assertive case management, the ACTION-J study, for patients with psychiatric diagnoses who presented with self-harm to 17 participating EDs in Japan [42]. In the ACTION-J study, case managers were mental health clinicians who provided clinical evaluations, treatment planning, encouragement, and care coordination over the course of 7 scheduled face-to-face or phone contacts in the first 18 months, and additional contacts at 6-month intervals until the completion of the trial (up to a total of 5 years) [43]. The comparison intervention, enhanced usual care, consisted of psychoeducation provided at the time of the encounter in the ED without case management services. The assertive case management intervention was associated with a decrease in suicidal behavior in the first 6 months but not for the duration of the study, except in women, for whom the benefit lasted the full 18 months [42]. A subsequent analysis also found a decrease in the total number of self-harm episodes per person-year compared to enhanced usual care, although there was not a difference in the number of participants who experienced a repeat self-harm episode [43]. The benefit was most strongly pronounced among patients who had presented with an index suicide attempt [43].

Morthorst et al applied an alternative case management model for the assertive intervention for deliberate self harm (AID) trial, which took place in Denmark [44]. Participants were aged 12 and older and could have been recruited from medical or pediatric inpatient units as well as the ED after a self-harm event. AID employed psychiatric nurses to provide crisis intervention, crisis planning, problem solving, motivational support, family mediation, and assistance with keeping appointments over a period of 6 months following discharge. Outreach took place over the phone, by text message, in participants’ homes, in cafes, and at health and social services appointments. The intervention required at least 4 contacts, although additional contacts could be made if appropriate. In comparison with a control group, in which participants received only usual care (which included ready access to short-term psychotherapy), the AID intervention was not associated with statistically significant differences in recurrent suicidal behaviors [44]. Subgroup analyses examining adult participants aged 20–39 and 40 and older also did not find differences in recurrent suicidal behavior between groups [44].

The Baerum Model and OPAC

A municipal suicide prevention team that provides comprehensive social services to suicide attempters has operated in Baerum, Norway, since 1983 [45]. Under the Baerum model, patients who attempt suicide, can be discharged from the general hospital without psychiatric admission, and are determined to have a high level of need for support are connected by a hospital-based suicide prevention team to a community-based team consisting of nurses and a consulting psychologist, who subsequently engage patients in own their homes and through follow-up phone calls. The services they provide include care coordination, encouragement, activation of social networks, psychological first-aid, and counseling focused on problem-solving. The ostensible goal of the suicide prevention team is to provide a bridge between inpatient medical care and outpatient mental health treatment; however, the intervention lasts approximately 1 year regardless of whether the patient connects with a treatment program [45].

A retrospective comparison of outcomes between recipients of the original Baerum program and non-recipients failed to find a difference in suicide attempts or suicide deaths between groups [45]. However, this was not a controlled study, and suicide attempters were preferentially referred to the program based on whether they had a higher level of need at baseline. Hvid and Wang adapted this model to patients who presented to EDs and general hospitals in Amager, Denmark [46] and have since conducted a series of randomized controlled trials comparing their adaptation to usual care. The Danish version of the Baerum model, renamed OPAC (for “outreach, problem solving, adherence, continuity”), provides similar case management and counseling services but for a maximum of 6 months. In their studies, OPAC significantly reduced the number of patients with a repeat suicide attempt and the total number of repeat suicide attempts at a 1-year interval, and this effect on total number of suicide attempts was sustained at 5 years [47,48]. Although the OPAC protocol begins with a patient’s presentation to the ED, the intervention is initiated after admission to the general hospital. Therefore, while this may inspire a model that provides similar services directly from the ED to patients who do not require general hospital admission, the existing model is not entirely based in the ED.

 

 

Discussion

The needs of suicidal patients are often multidimensional, and in some cases their risks are driven by psychosocial problems in addition to, or instead of, medically modifiable psychiatric conditions [49]. However, developing an ED-based program to support patients who are at risk of suicide after they are discharged from the ED is possible. Many such programs that provide or facilitate caring contacts, family support, case management, and/or treatment engagement with discharged patients have demonstrated that similar strategies may have the potential to impact future suicidal behavior. Nonetheless, it would be a stretch to say that all hospital systems should immediately begin doing so.

A new post-discharge support program is an investment of financial resources, personnel, and sometimes technology. Successful delivery of support or messages in any format requires that the intended recipient be able to receive it via reliable access to a working address, telephone number, or electronic device. Nonetheless, programs that rely on BCIs alone (excluding those conducted via telephone) cost relatively little to implement and thus would require a smaller investment than programs that require synchronous telephone or face-to-face contacts with staff in addition to or instead of BCIs. Costs for synchronous programs will also vary depending on the frequency and duration of contacts and the licensure and training required of the staff who provide them.

A trend toward better outcomes associating with more resource-intensive programs is easy to imagine but has not been definitively demonstrated. The wide variation between protocols in all types of programs makes comparisons between those that do and do not include synchronous contacts, and between types of synchronous contacts, difficult. Meanwhile, the low cost of BCIs alone could increase their attractiveness as an investment regardless of the magnitude of outcome improvement.

Denchev et al constructed a cost/benefit comparison model that included the postcard BCI study conducted by Carter et al [20], the telephone outreach study conducted by Vaiva et al [23], and a study of cognitive behavioral therapy (CBT) [11], all of which showed a clinical benefit. This model relied upon some numeric estimations and did not account for variation in outcomes between individual studies of each intervention strategy. However, it concluded that both telephone outreach and CBT were likely to be cost-prohibitive compared to asynchronous BCIs, which were associated with a reduction in costs overall [28].

Conclusion

There remains much to learn regarding how best to reduce suicide risk among adult patients in the period after discharge from the ED, during which patients with an identified suicide risk are known to be vulnerable. However, providing psychosocial and emotional support to patients with an identified suicide risk after they are discharged from the ED is feasible and may reduce subsequent suicidal behaviors. Templates for providing supportive outreach using different modalities now exist, and these may help guide the ongoing development and widespread adoption of more effective and cost-effective solutions.

Corresponding author: David S. Kroll, MD, dskroll@bwh.harvard.edu.

Financial disclosure: Dr. Kroll has received research funding from Brigham and Women’s Hospital to study and develop technological solutions for supporting suicidal patients after discharge from the emergency department. He has additionally received research funding and a speaking honorarium from Avasure.

From the Department of Psychiatry, Brigham and Women’s Hospital, and Harvard Medical School, Boston, MA.

Abstract

  • Objective: To provide a review of emergency department (ED)-based psychosocial interventions that support adult patients with an identified suicide risk towards a goal of reducing subsequent suicidal behavior through the period after discharge, which is known to be a time of high risk for suicidal behavior.
  • Methods: Non-systematic review of the literature.
  • Results: Multiple methods of engaging patients after discharge from the ED have been shown to reduce subsequent suicidal behaviors. These methods include sending caring letters in the mail, facilitating supportive phone conversations, case management, and protocols that combine different services. Overall, the existing literature is insufficient to recommend widespread adoption of any individual strategy or protocol. However, providing psychosocial and emotional support to patients with an identified suicide risk after they are discharged from the ED is feasible and may reduce subsequent suicidal behaviors. Templates for providing supportive outreach using different modalities now exist, and these may help guide the ongoing development and widespread adoption of more effective and cost-effective solutions.
  • Conclusion: Many ED–based interventions that provide enhanced support to patients with suicide risk after they are discharged have demonstrated a potential to reduce the risk of future suicidal behavior.

Key words: suicide; emergency department.

 

Despite the fact that emergency department (ED) providers often feel unprepared to manage suicide risk, patients with significant suicide risk frequently receive care in EDs, whether or not they have sustained physical injuries resulting from suicidal behavior [1,2]. Patients make greater than 400,000 visits to EDs in the United States each year for suicidal and self-injurious behaviors (suicide attempts and self-injurious behaviors are typically coded in ways that make them indistinguishable from each other in retrospective analyses) [3], and it is estimated that 6% to 10% of all patients in EDs endorse suicidal ideation when asked, regardless of their original chief complaints [4]. Meanwhile, suicide has become the 10th leading cause of death in the United States [5], and the Joint Commission has charged all accredited health care organizations with providing comprehensive treatment to suicidal patients, which may range from immediately containing an acute risk to ensuring continuity of care in follow-up [5].

When an acute suicide risk is identified in the ED, the provider’s immediate next steps should be to place the patient in a safe area under constant observation and to provide an emergency assessment [5,6]. Although psychiatric consultation and/or psychiatric admission may follow this assessment, suicide risk does not require admission in all cases; and some patients with suicide risk may be discharged to an outpatient setting even without receiving a psychiatric consultation [1]. Regardless of whether an outpatient disposition from the ED is appropriate, however, the period that immediately follows discharge is a time of high risk for repeated suicidal behavior and suicide death [7–9], and only 30% to 50% of patients who are discharged from EDs after a self-harm incident actually keep a follow-up mental health appointment [9,10]. Therefore, any support given to patients through this transition out of the emergency care setting could be especially high-yield.

The Joint Commission recommends that all patients with suicidal ideation receive, at minimum, a referral to treatment, telephone numbers for local and national crisis support resources (including the National Suicide Prevention Lifeline 1-800-273-TALK), collaborative safety planning, and counseling to restrict access to lethal means upon discharge [5]. However, some programs have demonstrated the capacity to provide enhanced support to patients beyond discharge from the ED, with some success in reducing the rates of subsequent suicidal behaviors. This non-systematic review describes interventions that can be initiated in the context of an ED encounter with the purpose of reducing future suicidal behavior among adult patients. They are primarily psychosocial rather than clinical. Clinical interventions that apply psychotherapy [11–13] psychopharmacology [14], and specialized inpatient treatments [15] have been studied as well but are beyond the scope of this review.

[polldaddy:10107269]

Interventions to Support Patients At Risk of Suicide After Discharge from the ED

Brief Contact Interventions

The idea that maintaining written correspondence with patients who have a known suicide risk after discharge can reduce subsequent suicide rates originated with a study of psychiatric inpatients conducted by Motto and Bostrom, in which patients who had been admitted for depression but had declined outpatient treatment were randomly assigned to periodically receive letters containing supportive messages from staff members over a period of 5 years [16]. This study remarkably found that these so-called brief contact interventions (BCIs), which were personalized to each recipient but did not contain psychotherapy per se, were associated with a reduced rate of suicide throughout the duration of the program compared with no written contacts [16].

 

 

BCIs have since been adapted to other communication formats and have been studied in patients who were discharged directly from the ED after an evaluation of suicide risk or suicidal behavior. Typically, BCIs consist of short, supportive messages that are delivered at regular intervals (often once every 1–2 months) over a period of 1 to 5 years [17,18]. They notably do not contain psychotherapy content, although they may reinforce coping strategies or remind recipients of how to access help if needed [17,19]. They may arrive as postcards [20,21], letters [22], telephone outreach [23–25], or a combination of modalities [26].

Protocols that rely on BCIs alone vary in their structure and have yielded mixed results [18]. A meta-analysis of 12 BCI protocols conducted by Milner et al found that, overall, BCIs administered after a presentation to the ED for self-harm have been associated with a significant reduction in repeat suicide attempts per recipient but not in total suicide deaths [27]. Milner’s group did not recommend large-scale promotion of BCIs based on the inadequacy of data so far, but suggested that this strategy may yet show promise upon further study [27]. A key advantage of BCIs is that they are inexpensive to implement, particularly if they do not include a telephone outreach component [28]. Thus, even if the potential benefit to patients is small, administering BCIs can be cost-effective [28].

It should not come as a surprise, therefore, that the potential for incorporation of BCIs into mobile smartphone technology is currently under investigation. Individuals who own mobile phones typically keep them on their persons and turned on continuously, and thus this is a reliable platform for maintaining contact with a wide range of patients in real-time [17,29]. Developers of at least 2 BCI smartphone programs that rely on mobile text messaging have published their protocols [17,30]. However, whether these programs will succeed in meaningfully reducing suicide rates remains to be determined by future research.

Green Cards

Morgan et al conducted a study in the United Kingdom in which individuals who presented to EDs after a self-harm event received a “green card,” which contained encouraging messages about seeking help and provided contact information for emergency services with 24-hour availability [31]. The green card also facilitated access to a crisis admission if necessary. The green card was distributed first in the ED and a second time by mail 3 weeks later. No suicides occurred in either the intervention or control group, which received usual care, and no statistically significant differences in suicide reattempt rate were found between groups after 1 year [31].

Evans et al studied an updated version of the green card intervention in which the green card facilitated access to an on-call psychiatrist with 24-hour availability by telephone [32]. The updated card included encouraging messages about seeking help similar to the original green card described by Morgan; however, the psychiatry consultation via telephone replaced the offer of hospital admission [32]. This second trial of green cards also failed to show a reduction in the rate of suicide reattempts among green card recipients at 6 months and 1 year [32,33].

Brief Intervention and Contact

The World Health Organization’s Brief Intervention and Contact (BIC) protocol is a standardized, multi-step suicide prevention program that has been studied primarily in patients who present to EDs after a suicide attempt in middle-income countries [34]. BIC includes a 1-hour information session that is administered shortly prior to discharge, and subsequently provides 9 follow-up contact interventions at specified intervals over an 18-month period. Unlike in a typical BCI, the contacts in BIC are conducted by a clinician either face-to-face or over the phone and include standardized assessments of the patient’s condition, although they still do not include psychotherapy. BIC has been shown to reduce suicide attempts, suicide deaths, or both in India [34–36], Iran [34,36,37], China [34,36], Brazil [34,36], and Sri Lanka [34,36] but was not found to directly improve clinical outcomes in a study conducted in French Polynesia [38]. A meta-analysis conducted by Riblet et al concluded that BIC is effective in reducing suicide risk overall [39].

ED-SAFE

The Emergency Department Safety Assessment and Follow-up Evaluation (ED-SAFE) protocol was validated in 8 EDs in 7 states in the US that did not already provide psychiatric services internally [40]. Under this model, all patients in the ED receive a screening for suicide risk, and those with an initial positive screen receive a secondary screen administered by the ED physician, a self-administered safety plan, and a series of up to 11 phone contacts over the following year that are administered by trained mental health clinicians in a central location. The ED-SAFE phone contacts follow the Coping Long Term with Active Suicide Program (CLASP) protocol [41] and provide support around safety planning and treatment engagement. They have the capacity to engage the patients’ significant others directly if a significant other is available and the patient chooses to involve that person.

 

 

In a single multicenter study, ED-SAFE reduced the absolute risk of suicide attempt by 5%, and the relative risk by 20% compared to usual treatment [40]. An intermediate phase of the study compared the universal suicide screening alone (ie, without the safety plan or follow-up contacts) with usual care and did not find this to improve outcomes [40].

Case Management

Kawanishi et al conducted a randomized controlled trial of assertive case management, the ACTION-J study, for patients with psychiatric diagnoses who presented with self-harm to 17 participating EDs in Japan [42]. In the ACTION-J study, case managers were mental health clinicians who provided clinical evaluations, treatment planning, encouragement, and care coordination over the course of 7 scheduled face-to-face or phone contacts in the first 18 months, and additional contacts at 6-month intervals until the completion of the trial (up to a total of 5 years) [43]. The comparison intervention, enhanced usual care, consisted of psychoeducation provided at the time of the encounter in the ED without case management services. The assertive case management intervention was associated with a decrease in suicidal behavior in the first 6 months but not for the duration of the study, except in women, for whom the benefit lasted the full 18 months [42]. A subsequent analysis also found a decrease in the total number of self-harm episodes per person-year compared to enhanced usual care, although there was not a difference in the number of participants who experienced a repeat self-harm episode [43]. The benefit was most strongly pronounced among patients who had presented with an index suicide attempt [43].

Morthorst et al applied an alternative case management model for the assertive intervention for deliberate self harm (AID) trial, which took place in Denmark [44]. Participants were aged 12 and older and could have been recruited from medical or pediatric inpatient units as well as the ED after a self-harm event. AID employed psychiatric nurses to provide crisis intervention, crisis planning, problem solving, motivational support, family mediation, and assistance with keeping appointments over a period of 6 months following discharge. Outreach took place over the phone, by text message, in participants’ homes, in cafes, and at health and social services appointments. The intervention required at least 4 contacts, although additional contacts could be made if appropriate. In comparison with a control group, in which participants received only usual care (which included ready access to short-term psychotherapy), the AID intervention was not associated with statistically significant differences in recurrent suicidal behaviors [44]. Subgroup analyses examining adult participants aged 20–39 and 40 and older also did not find differences in recurrent suicidal behavior between groups [44].

The Baerum Model and OPAC

A municipal suicide prevention team that provides comprehensive social services to suicide attempters has operated in Baerum, Norway, since 1983 [45]. Under the Baerum model, patients who attempt suicide, can be discharged from the general hospital without psychiatric admission, and are determined to have a high level of need for support are connected by a hospital-based suicide prevention team to a community-based team consisting of nurses and a consulting psychologist, who subsequently engage patients in own their homes and through follow-up phone calls. The services they provide include care coordination, encouragement, activation of social networks, psychological first-aid, and counseling focused on problem-solving. The ostensible goal of the suicide prevention team is to provide a bridge between inpatient medical care and outpatient mental health treatment; however, the intervention lasts approximately 1 year regardless of whether the patient connects with a treatment program [45].

A retrospective comparison of outcomes between recipients of the original Baerum program and non-recipients failed to find a difference in suicide attempts or suicide deaths between groups [45]. However, this was not a controlled study, and suicide attempters were preferentially referred to the program based on whether they had a higher level of need at baseline. Hvid and Wang adapted this model to patients who presented to EDs and general hospitals in Amager, Denmark [46] and have since conducted a series of randomized controlled trials comparing their adaptation to usual care. The Danish version of the Baerum model, renamed OPAC (for “outreach, problem solving, adherence, continuity”), provides similar case management and counseling services but for a maximum of 6 months. In their studies, OPAC significantly reduced the number of patients with a repeat suicide attempt and the total number of repeat suicide attempts at a 1-year interval, and this effect on total number of suicide attempts was sustained at 5 years [47,48]. Although the OPAC protocol begins with a patient’s presentation to the ED, the intervention is initiated after admission to the general hospital. Therefore, while this may inspire a model that provides similar services directly from the ED to patients who do not require general hospital admission, the existing model is not entirely based in the ED.

 

 

Discussion

The needs of suicidal patients are often multidimensional, and in some cases their risks are driven by psychosocial problems in addition to, or instead of, medically modifiable psychiatric conditions [49]. However, developing an ED-based program to support patients who are at risk of suicide after they are discharged from the ED is possible. Many such programs that provide or facilitate caring contacts, family support, case management, and/or treatment engagement with discharged patients have demonstrated that similar strategies may have the potential to impact future suicidal behavior. Nonetheless, it would be a stretch to say that all hospital systems should immediately begin doing so.

A new post-discharge support program is an investment of financial resources, personnel, and sometimes technology. Successful delivery of support or messages in any format requires that the intended recipient be able to receive it via reliable access to a working address, telephone number, or electronic device. Nonetheless, programs that rely on BCIs alone (excluding those conducted via telephone) cost relatively little to implement and thus would require a smaller investment than programs that require synchronous telephone or face-to-face contacts with staff in addition to or instead of BCIs. Costs for synchronous programs will also vary depending on the frequency and duration of contacts and the licensure and training required of the staff who provide them.

A trend toward better outcomes associating with more resource-intensive programs is easy to imagine but has not been definitively demonstrated. The wide variation between protocols in all types of programs makes comparisons between those that do and do not include synchronous contacts, and between types of synchronous contacts, difficult. Meanwhile, the low cost of BCIs alone could increase their attractiveness as an investment regardless of the magnitude of outcome improvement.

Denchev et al constructed a cost/benefit comparison model that included the postcard BCI study conducted by Carter et al [20], the telephone outreach study conducted by Vaiva et al [23], and a study of cognitive behavioral therapy (CBT) [11], all of which showed a clinical benefit. This model relied upon some numeric estimations and did not account for variation in outcomes between individual studies of each intervention strategy. However, it concluded that both telephone outreach and CBT were likely to be cost-prohibitive compared to asynchronous BCIs, which were associated with a reduction in costs overall [28].

Conclusion

There remains much to learn regarding how best to reduce suicide risk among adult patients in the period after discharge from the ED, during which patients with an identified suicide risk are known to be vulnerable. However, providing psychosocial and emotional support to patients with an identified suicide risk after they are discharged from the ED is feasible and may reduce subsequent suicidal behaviors. Templates for providing supportive outreach using different modalities now exist, and these may help guide the ongoing development and widespread adoption of more effective and cost-effective solutions.

Corresponding author: David S. Kroll, MD, dskroll@bwh.harvard.edu.

Financial disclosure: Dr. Kroll has received research funding from Brigham and Women’s Hospital to study and develop technological solutions for supporting suicidal patients after discharge from the emergency department. He has additionally received research funding and a speaking honorarium from Avasure.

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36. Bertolote JM, Fleischmann A, De Leo D, et al. Repetition of suicide attempts: data from emergency care settings in five culturally different low- and middle-income countries participating in the WHO SUPRE-MISS Study. Crisis 2010;31:194–201.

37. Mousavi SG, Zohreh R, Maracy MR, et al. The efficacy of telephonic follow up in prevention of suicidal reattempt in patients with suicide attempt history. Adv Biomed Res 2014;3:198.

38. Amadéo S, Rereao M, Malogne A, et al. Testing brief intervention and phone contact among subjects with suicidal behavior: a randomized controlled trial in French Polynesia in the frames of the World Health Organization/suicide trends in at-risk territories study. Ment Illn 2015;7:5818.

39. Riblet NBV, Shiner B, Young-Xu Y, Watts BV. Strategies to prevent death by suicide: meta-analysis of randomised controlled trials. Br J Psychiatry 2017;210:396–402.

40. Miller IW, Camargo CA Jr, Arias SA, et al. Suicide prevention in an emergency department population: the ED-SAFE study. JAMA Psychiatry 2017;74:563–70.

41. Miller IW, Gaudiano BA, Weinstock LM. The coping long term with active suicide program: description and pilot data. Suicide Life Threat Behav 2016;46:752–61.

42. Kawanishi C, Aruga T, Ishizuka N, et al. Assertive case management versus enhanced usual care for people with mental health problems who had attempted suicide and were admitted to hospital emergency departments in Japan (ACTION-J): a multicentre, randomised controlled trial. Lancet Psychiatry 2014;1:193–201.

43. Furuno T, Nakagawa M, Hino K, et al. Effectiveness of assertive case management on repeat self-harm in patients admitted for suicide attempt: findings from ACTION-J study. J Affect Disord 2018;225:460–5.

44. Morthorst B, Krogh J, Erlangsen A, et al. Effect of assertive outreach after suicide attempt in the AID (assertive intervention for deliberate self harm) trial: randomised controlled trial. BMJ 2012;345:e4972.

45. Johannessen HA, Dieserud G, De Leo D, Claussen B, et al. Chain of care for patients who have attempted suicide: a follow-up study from Bærum, Norway. BMC Public Health 2011;11:81.

46. Hvid M, Wang AG. Preventing repetition of attempted suicide—I. Feasibility (acceptability, adherence, and effectiveness) of a Baerum-model like aftercare. Nord J Psychiatry 2009;63:148–53.

47. Hvid M, Vangborg K, Sørensen HJ, et al. Preventing repetition of attempted suicide-II. The Amager project, a randomized controlled trial. Nord J Psychiatry 2011;65:292–8.

48. Lahoz T, Hvid M, Wang AG. Preventing repetition of attempted suicide-III. The Amager project, 5-year follow-up of a randomized controlled trial. Nord J Psychiatry 2016;70:547–53.

49. Kroll DS, Karno J, Mullen B, et al. Clinical severity alone does not determine disposition decisions for patients in the emergency department with suicide risk. Psychosomatics 2017; pii: S0033-3182(17)30247–5.

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18. Falcone G, Nardella A, Lamis DA, et al. Taking care of suicidal patients with new technologies and reaching-out means in the post-discharge period. World J Psychiatry 2017;7:163–76.

19. Milner A, Spittal MJ, Kapur N, et al. Mechanisms of brief contact interventions in clinical populations: a systematic review. BMC Psychiatry 2016;16:194.

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22. Luxton DD, Thomas EK, Chipps J, et al. Caring letters for suicide prevention: implementation of a multi-site randomized clinical trial in the U.S. military and Veteran Affairs healthcare systems. Contemp Clin Trials 2014;37(2):252–60.

23. Vaiva G, Vaiva G, Ducrocq F, et al. Effect of telephone contact on further suicide attempts in patients discharged from an emergency department: randomised controlled study. BMJ 2006;332:1241–5.

24. Cebrià AI, Parra I, Pàmias M, et al. Effectiveness of a telephone management programme for patients discharged from an emergency department after a suicide attempt: controlled study in a Spanish population. J Affect Disord 2013;147:269–76.

25. Cedereke M, Monti K, Ojehagen A. Telephone contact with patients in the year after a suicide attempt: does it affect treatment attendance and outcome? A randomised controlled study. Eur Psychiatry. 2002;17:82–91.

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27. Milner AJ, Carter G, Pirkis J, et al. Letters, green cards, telephone calls and postcards: systematic and meta-analytic review of brief contact interventions for reducing self-harm, suicide attempts and suicide. Br J Psychiatry. 2015;206:184–90.

28. Denchev P, Pearson JL, Allen MH, Claassen CA, Currier GW, Zatzick DF, et al. Modeling the cost-effectiveness of interventions to reduce suicide risk among hospital emergency department patients. Psychiatr Serv 2018;69:23–31.

29. Berrouiguet S, Courtet P, Larsen ME, et al. Suicide prevention: towards integrative, innovative and individualized brief contact interventions. Eur Psychiatry 2018;47:25–6.

30. Larsen ME, Shand F, Morley K, Batterham PJ, Petrie K, Reda B, et al. A mobile text message intervention to reduce repeat suicidal episodes: design and development of reconnecting after a suicide attempt (RAFT). JMIR Ment Health 2017;4:e56.

31. Morgan HG, Jones EM, Owen JH. Secondary prevention of non-fatal deliberate self-harm. The green card study. Br J Psychiatry 1993;163:111–2.

32. Evans MO, Morgan HG, Hayward A, Gunnell DJ. Crisis telephone consultation for deliberate self-harm patients: effects on repetition. Br J Psychiatry 1999;175:23–7.

33. Evans J, Evans M, Morgan HG, et al. Crisis card following self-harm: 12-month follow-up of a randomised controlled trial. Br J Psychiatry J 2005;187:186–7.

34. Fleischmann A, Bertolote JM, Wasserman D, et al. Effectiveness of brief intervention and contact for suicide attempters: a randomized controlled trial in five countries. Bull World Health Organ 2008;86:703–9.

35. Vijayakumar L, Umamaheswari C, Shujaath Ali ZS, et al. Intervention for suicide attempters: a randomized controlled study. Indian J Psychiatry 2011;53:244–8.

36. Bertolote JM, Fleischmann A, De Leo D, et al. Repetition of suicide attempts: data from emergency care settings in five culturally different low- and middle-income countries participating in the WHO SUPRE-MISS Study. Crisis 2010;31:194–201.

37. Mousavi SG, Zohreh R, Maracy MR, et al. The efficacy of telephonic follow up in prevention of suicidal reattempt in patients with suicide attempt history. Adv Biomed Res 2014;3:198.

38. Amadéo S, Rereao M, Malogne A, et al. Testing brief intervention and phone contact among subjects with suicidal behavior: a randomized controlled trial in French Polynesia in the frames of the World Health Organization/suicide trends in at-risk territories study. Ment Illn 2015;7:5818.

39. Riblet NBV, Shiner B, Young-Xu Y, Watts BV. Strategies to prevent death by suicide: meta-analysis of randomised controlled trials. Br J Psychiatry 2017;210:396–402.

40. Miller IW, Camargo CA Jr, Arias SA, et al. Suicide prevention in an emergency department population: the ED-SAFE study. JAMA Psychiatry 2017;74:563–70.

41. Miller IW, Gaudiano BA, Weinstock LM. The coping long term with active suicide program: description and pilot data. Suicide Life Threat Behav 2016;46:752–61.

42. Kawanishi C, Aruga T, Ishizuka N, et al. Assertive case management versus enhanced usual care for people with mental health problems who had attempted suicide and were admitted to hospital emergency departments in Japan (ACTION-J): a multicentre, randomised controlled trial. Lancet Psychiatry 2014;1:193–201.

43. Furuno T, Nakagawa M, Hino K, et al. Effectiveness of assertive case management on repeat self-harm in patients admitted for suicide attempt: findings from ACTION-J study. J Affect Disord 2018;225:460–5.

44. Morthorst B, Krogh J, Erlangsen A, et al. Effect of assertive outreach after suicide attempt in the AID (assertive intervention for deliberate self harm) trial: randomised controlled trial. BMJ 2012;345:e4972.

45. Johannessen HA, Dieserud G, De Leo D, Claussen B, et al. Chain of care for patients who have attempted suicide: a follow-up study from Bærum, Norway. BMC Public Health 2011;11:81.

46. Hvid M, Wang AG. Preventing repetition of attempted suicide—I. Feasibility (acceptability, adherence, and effectiveness) of a Baerum-model like aftercare. Nord J Psychiatry 2009;63:148–53.

47. Hvid M, Vangborg K, Sørensen HJ, et al. Preventing repetition of attempted suicide-II. The Amager project, a randomized controlled trial. Nord J Psychiatry 2011;65:292–8.

48. Lahoz T, Hvid M, Wang AG. Preventing repetition of attempted suicide-III. The Amager project, 5-year follow-up of a randomized controlled trial. Nord J Psychiatry 2016;70:547–53.

49. Kroll DS, Karno J, Mullen B, et al. Clinical severity alone does not determine disposition decisions for patients in the emergency department with suicide risk. Psychosomatics 2017; pii: S0033-3182(17)30247–5.

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Journal of Clinical Outcomes Management - 25(7)a
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Journal of Clinical Outcomes Management - 25(7)a
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