{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T14:50:05Z","timestamp":1769007005833,"version":"3.49.0"},"reference-count":49,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,12,18]],"date-time":"2023-12-18T00:00:00Z","timestamp":1702857600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000097","name":"National Center for Research Resources","doi-asserted-by":"publisher","award":["KL2TR000446"],"award-info":[{"award-number":["KL2TR000446"]}],"id":[{"id":"10.13039\/100000097","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pediatric Blood &amp; Cancer"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Pediatric oncology patients with prolonged (\u226596\u00a0hours) febrile neutropenia (absolute neutrophil count\u00a0&lt;\u00a0500\/\u03bcL) often undergo an evaluation for invasive fungal disease (IFD) and other infections. Current literature suggests that beta\u2010D\u2010glucan (BDG), galactomannan, bronchoalveolar lavage (BAL), and computed tomography (CT) scans (sinus, chest, and abdomen\/pelvis) may help determine a diagnosis in this population.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In a retrospective cohort study of all cancer\/stem cell transplant patients (diagnosed 2005\u20102019) from one pediatric hospital, all episodes with prolonged febrile neutropenia or IFD evaluations (defined as sending a fungal biomarker or performing a CT scan to assess for infection) were identified.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In total, 503 episodes met inclusion criteria and 64% underwent IFD evaluations. In total, 36.4% of episodes documented an infection after initiation of prolonged febrile evaluation, most commonly <jats:italic>Clostridioides difficile<\/jats:italic> colitis (6.4%) followed by a true bacterial bloodstream infection (BSI) (5.2%), proven\/probable IFD (4.8%), and positive respiratory pathogen panel (3.6%). There was no difference in sinus CTs showing sinusitis (74%\u00a0vs 63%, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.46), whereas 32% of abdomen\/pelvis CTs led to a non\u2010IFD diagnosis, and 25% of chest CTs showed possible pneumonia. On chest CT, the positive predictive value (PPV) for IFD was 19% for nodules and 14% for tree and bud lesions. BDG had a PPV of 25% for IFD and GM 50%. BAL diagnosed IFD once and <jats:italic>pneumocystis jirovecii pneumonia<\/jats:italic> twice.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Chest CTs and abdomen\/pelvis CTs provide clinically relevant information during the prolonged febrile neutropenia evaluation, whereas BDG, galactomannan, BAL, and sinus CTs have less certain utility.<\/jats:p><\/jats:sec>","DOI":"10.1002\/pbc.30818","type":"journal-article","created":{"date-parts":[[2023,12,19]],"date-time":"2023-12-19T08:52:10Z","timestamp":1702975930000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["A comprehensive assessment of the prolonged febrile neutropenia evaluation in pediatric oncology patients"],"prefix":"10.1002","volume":"71","author":[{"given":"Daniel A.","family":"Whitehurst","sequence":"first","affiliation":[{"name":"School of Medicine Vanderbilt University  Nashville Tennessee 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