Monocyte Function and Clinical Outcomes in Febrile and Afebrile Patients With Severe Sepsis
- 1 October 2018
- journal article
- research article
- Published by Ovid Technologies (Wolters Kluwer Health) in Shock
- Vol. 50 (4), 381-387
- https://doi.org/10.1097/shk.0000000000001083
Abstract
Introduction: Absence of fever is associated with higher mortality in septic patients, but the reason for this is unknown. Immune dysfunction may be a potential link between failure to mount a fever and poor outcomes. The purpose of this study was to evaluate monocyte function and clinical surrogates of immunity (i.e., mortality and acquisition of secondary infections) in febrile and afebrile septic patients. Methods: Single-center, prospective cohort study of 92 critically ill septic patients. Patients were categorized into febrile (≥38.0°C) and afebrile (P = 0.002) in febrile patients, but not in afebrile patients (median difference 403 [−3,382, 3,507] antibodies/cell, P = 0.25). Afebrile patients demonstrated higher 28-day mortality (37.5% vs 18.2%) and increased acquisition of secondary infections (35.4% vs. 15.9%). Conclusions: Absence of fever is associated with suppressed HLA-DR expression over time, a finding suggestive of monocyte dysfunction in sepsis, as well as worse clinical outcomes.Keywords
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