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Published in: International Orthopaedics 8/2018

01-08-2018 | Original Paper

Antibiotic-induced fever in orthopaedic patients—a diagnostic challenge

Authors: Kirsten Labbus, Jana Karina Junkmann, Carsten Perka, Andrej Trampuz, Nora Renz

Published in: International Orthopaedics | Issue 8/2018

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Abstract

Introduction

Antibiotic-induced fever is a probably underestimated complication, which may be misdiagnosed as new infection. In this study, characteristics, diagnostic approach, and outcome of antibiotic-induced fever in patients treated for musculoskeletal infections are described.

Methods

We retrospectively reviewed all patients with antibiotic-induced fever after surgery treated at our institution from 2014 to 2017. Antibiotic-induced fever was diagnosed, if the following criteria were fulfilled: (i) central (ear) body temperature > 38.0 °C; (ii) intravenous antibiotics for > three days; (iii) exclusion of infectious or other non-infectious causes of fever; and (iv) defervescence after discontinuation of antibiotics.

Results

We included 11 patients (median age 51 years) treated for infection after fracture fixation (n = 5), periprosthetic joint infections (n = 3), infection after spinal instrumentation (n = 1), and soft tissue infection (n = 2). The suspected antibiotics inducing fever were beta-lactam antibiotics (n = 9), vancomycin (n = 3), daptomycin (n = 2), clindamycin, and meropenem (n = 1 each). Additional clinical findings were reduced general condition, generalized exanthema, and rigors, whereas five patients were asymptomatic apart from a fever. Leukopenia was observed in nine patients and increase of C-reactive protein value in ten patients. Fever occurred after a median of 20 days of antibiotic treatment and resolved after a median of one day after discontinuation of the suspected antibiotic.

Conclusions

Antibiotics should be considered as the possible cause of fever in orthopaedic patients receiving antimicrobial treament whenever clinical signs of new or persisting infection are lacking. Important hints suggestive for antibiotic-induced fever are good general condition despite high temperature and progressive leukopenia. Discontinuation or change to another substance leads to prompt defervescence, preventing unnecessary diagnostic procedures and antibiotic treatment.
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Metadata
Title
Antibiotic-induced fever in orthopaedic patients—a diagnostic challenge
Authors
Kirsten Labbus
Jana Karina Junkmann
Carsten Perka
Andrej Trampuz
Nora Renz
Publication date
01-08-2018
Publisher
Springer Berlin Heidelberg
Published in
International Orthopaedics / Issue 8/2018
Print ISSN: 0341-2695
Electronic ISSN: 1432-5195
DOI
https://doi.org/10.1007/s00264-018-3909-8

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