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Background Bacteremia is associated with increased risk of complications in patients with febrile neutropenia (FN), although few clinical studies have reported outcomes in apparently stable patients (ASPs) who could be candidates for home treatment.
Objective To assess the risk factors and the impact of bacteremia in ASPs.
Methods We retrospectively analyzed 861 consecutive episodes of FN that were classified according to their presentation into 2 categories: clearly unstable patients and ASPs. We estimated the incidence of bacteremia and severe complications in ASPs. We analyzed predictors for bacteremia and the discriminatory ability of the MASCC score in this setting.
Results We classified 692 episodes as ASPs. Bacteremia occurred in 6%, major complications were noted in 7.3%, and death occurred in 1.3%. Patients with bacteremia had more complications (odds ratio [OR], 8.2), and mortality (OR, 8.2). The integration of the MASCC score and bacteremic status predicted complications with an area under the receiver operating characteristic (ROC) curve of 0.74, sensitivity of 36%, and specificity of 94%. Predictors of bacteremia were temperature ≥ 39°C/102.2°F (OR, 3), rigors (OR, 2.2), ECOG PS ≥ 2 (OR, 2.1), and advanced cancer (OR, 2.5). Two percent of patients who remained afebrile for 48 hours had positive blood cultures afterward.
Limitations A single-center, retrospective analysis, and the absence of a validation set to test the model’s discriminatory ability.
Conclusions Bacteremia is infrequent among ASPs but is associated with a high risk of complications. We identified several variables that could improve the prognostic classification of clinically stable FN.
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Background Bacteremia is associated with increased risk of complications in patients with febrile neutropenia (FN), although few clinical studies have reported outcomes in apparently stable patients (ASPs) who could be candidates for home treatment.
Objective To assess the risk factors and the impact of bacteremia in ASPs.
Methods We retrospectively analyzed 861 consecutive episodes of FN that were classified according to their presentation into 2 categories: clearly unstable patients and ASPs. We estimated the incidence of bacteremia and severe complications in ASPs. We analyzed predictors for bacteremia and the discriminatory ability of the MASCC score in this setting.
Results We classified 692 episodes as ASPs. Bacteremia occurred in 6%, major complications were noted in 7.3%, and death occurred in 1.3%. Patients with bacteremia had more complications (odds ratio [OR], 8.2), and mortality (OR, 8.2). The integration of the MASCC score and bacteremic status predicted complications with an area under the receiver operating characteristic (ROC) curve of 0.74, sensitivity of 36%, and specificity of 94%. Predictors of bacteremia were temperature ≥ 39°C/102.2°F (OR, 3), rigors (OR, 2.2), ECOG PS ≥ 2 (OR, 2.1), and advanced cancer (OR, 2.5). Two percent of patients who remained afebrile for 48 hours had positive blood cultures afterward.
Limitations A single-center, retrospective analysis, and the absence of a validation set to test the model’s discriminatory ability.
Conclusions Bacteremia is infrequent among ASPs but is associated with a high risk of complications. We identified several variables that could improve the prognostic classification of clinically stable FN.
Click on the PDF icon at the top of this introduction to read the full article.
Background Bacteremia is associated with increased risk of complications in patients with febrile neutropenia (FN), although few clinical studies have reported outcomes in apparently stable patients (ASPs) who could be candidates for home treatment.
Objective To assess the risk factors and the impact of bacteremia in ASPs.
Methods We retrospectively analyzed 861 consecutive episodes of FN that were classified according to their presentation into 2 categories: clearly unstable patients and ASPs. We estimated the incidence of bacteremia and severe complications in ASPs. We analyzed predictors for bacteremia and the discriminatory ability of the MASCC score in this setting.
Results We classified 692 episodes as ASPs. Bacteremia occurred in 6%, major complications were noted in 7.3%, and death occurred in 1.3%. Patients with bacteremia had more complications (odds ratio [OR], 8.2), and mortality (OR, 8.2). The integration of the MASCC score and bacteremic status predicted complications with an area under the receiver operating characteristic (ROC) curve of 0.74, sensitivity of 36%, and specificity of 94%. Predictors of bacteremia were temperature ≥ 39°C/102.2°F (OR, 3), rigors (OR, 2.2), ECOG PS ≥ 2 (OR, 2.1), and advanced cancer (OR, 2.5). Two percent of patients who remained afebrile for 48 hours had positive blood cultures afterward.
Limitations A single-center, retrospective analysis, and the absence of a validation set to test the model’s discriminatory ability.
Conclusions Bacteremia is infrequent among ASPs but is associated with a high risk of complications. We identified several variables that could improve the prognostic classification of clinically stable FN.
Click on the PDF icon at the top of this introduction to read the full article.