Dataset Information

Outcomes and Disposition of Oncology Patients With Non-neutropenic Fever and Positive Blood Cultures.

ABSTRACT: Children with cancer and non-neutropenic fever (NNF) episodes are often treated as outpatients if they appear well. However, a small subset have bloodstream infections (BSIs) and must return for further evaluation. These patients may be directly admitted to inpatient units, whereas others are first evaluated in outpatient settings before admission. The best practice for securing care for patients discovered to have outpatient bacteremia are unclear. To determine outcomes and compare time to antibiotics between the 2 disposition, we retrospectively reviewed all NNF initially treated as outpatients and later had positive blood cultures from 2012 to 2016. Of 845 NNF cases initially treated in outpatient settings, 48 episodes (n=43 patients) had BSIs. Of those, 77.1% (n=37) were re-evaluated as outpatients and admitted; 14.6% (n=7) were direct admissions. The median time to antibiotic did not significantly differ between outpatient re-evaluations (119 min) and direct admissions (191 min), P=0.11. One patient met sepsis criteria upon return and required intensive care unit admission for vasopressor support. No patient died within 1 week of the febrile episode. Most patients with NNF and BSIs initially discharged are stable upon return. Institutions should evaluate their patient flows to ensure that patients receive timely care.

SUBMITTER: Sharma A

PROVIDER: S-EPMC7762736 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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Outcomes and Disposition of Oncology Patients With Non-neutropenic Fever and Positive Blood Cultures.

Sharma Aditya A Sitthi-Amorn Jitsuda J Gavigan Patrick P Wolf Joshua J Agulnik Asya A Brenner Alex A Li Ying Y Johnson Liza-Marie LM

Journal of pediatric hematology/oncology 20210301 2

Children with cancer and non-neutropenic fever (NNF) episodes are often treated as outpatients if they appear well. However, a small subset have bloodstream infections (BSIs) and must return for further evaluation. These patients may be directly admitted to inpatient units, whereas others are first evaluated in outpatient settings before admission. The best practice for securing care for patients discovered to have outpatient bacteremia are unclear. To determine outcomes and compare time to anti ...[more]

PMID: 32604334

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Project description:IntroductionBacteremia is a life-threatening condition that can progress to sepsis and septic shock, leading to significant mortality in the emergency department (ED). The standard diagnostic method, blood culture, is time-consuming and prone to false positives and false negatives. Although not widely accepted, several clinical and artificial intelligence-based algorithms have been recently developed to predict bacteremia. However, these strategies require further identification of new variables to improve their diagnostic accuracy. This study proposes a novel strategy to predict positive blood cultures by assessing sepsis-induced immunosuppression status through endotoxin tolerance assessment.MethodsOptimal assay conditions have been explored and tested in sepsis-suspected patients meeting the Sepsis-3 criteria. Blood samples were collected at ED admission, and endotoxin (lipopolysaccharide, LPS) challenge was performed to evaluate the innate immune response through cytokine profiling.ResultsClinical variables, immune cell population biomarkers, and cytokine levels (tumor necrosis factor [TNFα], IL-1β, IL-6, IL-8, and IL-10) were measured. Patients with positive blood cultures exhibited significantly lower TNFα production after LPS challenge than did those with negative blood cultures. The study also included a validation cohort to confirm that the response was consistent.DiscussionThe results of this study highlight the innate immune system immunosuppression state as a critical parameter for sepsis diagnosis. Notably, the present study identified a reduction in monocyte populations and specific cytokine profiles as potential predictive markers. This study showed that the LPS challenge can be used to effectively distinguish between patients with bloodstream infection leading to sepsis and those whose blood cultures are negative, providinga rapid and reliable diagnostic tool to predict positive blood cultures. The potential applicability of these findings could enhance clinical practice in terms of the accuracy and promptness of sepsis diagnosis in the ED, improving patient outcomes through timely and appropriate treatment.

Dataset Information

Outcomes and Disposition of Oncology Patients With Non-neutropenic Fever and Positive Blood Cultures.

Publications

Outcomes and Disposition of Oncology Patients With Non-neutropenic Fever and Positive Blood Cultures.

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