John Lundstedt, Emily Vore, Joseph Brungardt, Meera Kotagal, Todd Jenkins, Chloe Boehmer, Roshni Dasgupta
Background
Postoperative fever is common following cancer resection and often prompts extensive, costly workups. The purpose of this study was to determine the incidence of and risk factors for postoperative fever in oncology patients, evaluate incidence of true infection, and determine the utility of fever workup.
Methods
Single institution retrospective chart review (2018–2023) identified postoperative oncology patients who developed postoperative fever (≥38.0 °C) on postoperative days 0, 1, or 2 following solid tumor resection. Collected variables included preoperative chemotherapy, presence of central line, operation type, bowel resection, operative length, wound class, intraoperative hypothermia (<35 °C), transfusion, hyperglycemia (>180 mg/dL), preoperative neutrophil count, and antibiotic administration. Fever workup included urinalysis, urine culture, blood culture, and chest x-ray. Fever predictors were analyzed using a generalized linear mixed model.
Results
Cohort included 222 patients, aged 0.01–40.35 years (median 5.27, SD = 8.32). Ninety-four patients (42 %) developed early postoperative fever. Factors predictive of developing fever included intraoperative transfusion (p = 0.032), postoperative transfusion (p = 0.032), foley catheter (p < 0.001), neutropenia (p = 0.001), and sarcoma histology (p = 0.006). Of those who developed fever, 36 % (34/94) were treated with empiric antibiotics and 73.4 % (69/94) underwent febrile workup (average cost $455). Only 2.8 % (2/94) of febrile patients had an infectious etiology requiring treatment. Both had hemodynamic instability and positive blood cultures.
Conclusions
Postoperative fever is common in pediatric cancer patients. Infectious etiology is rare, empiric treatment is common, and workup is costly. Fever alone may not necessitate a workup within the first 2 postoperative days following solid tumor resection. Testing and treatment should be reserved for those with significant symptomatology.
Intended audience: Healthcare professionals and clinicians.
Speaker: John Lundstedt, Emily Vore, Joseph Brungardt, Meera Kotagal, Todd Jenkins, Chloe Boehmer, Roshni Dasgupta
Your patient's post-op day one from a hepatoblastoma resection, and they spike a fever. Do you think they need a big fever workup? Hi, my name's Sophia Skmore. I'm from Cincinnati Children, and I'm going to share a study with you today that says maybe they don't. A Study of 220 oncology patients found that 42% of them had a fever in the 48 hours following tumor resection. However, of these patients, only two of them, so 2.8%, had an actual infection, and those Patients were hemodynamically unstable with positive blood cultures, so it wasn't very subtle. Meanwhile, most fevers triggered a workup that costs on average about $500 a patient, and about a third of patients got empiric antibiotics that they didn't need. So here's the big takeaway. In the 48 hours following a tumor resection, a fever alone may not be a reason to panic. Save the big workup for your patients that are hemodynamically unstable or who have more overt signs of infection.
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