{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T00:25:04Z","timestamp":1775607904590,"version":"3.50.1"},"reference-count":22,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2023,1,27]],"date-time":"2023-01-27T00:00:00Z","timestamp":1674777600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aao-hnsfjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Otolaryngol.--head neck surg."],"published-print":{"date-parts":[[2023,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Studies suggest that transplant patients are at risk for chronic rhinosinusitis (CRS). However, there is limited information in the literature regarding frequency and reasons for failure of adequate medical therapy. We aim to determine the risk factors associated with the development of medically recalcitrant CRS requiring endoscopic sinus surgery (ESS).<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Design<\/jats:title><jats:p>Retrospective cohort.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Mayo Clinic.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This is a retrospective chart review of 925 transplant recipients seen at Mayo Clinic between 2017 and 2022. Inclusion criteria: (1) a rhinologic consultation after transplant and (2) clinical diagnosis of CRS. A total of 549 patients met the inclusion criteria and were divided based on the need for ESS versus successful treatment with medical therapy. Univariate and logistic regression analyses were performed to identify risk factors and predictive variables related to failure of medical therapy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of the 549 patients, 201\/549 (37%) had medically recalcitrant disease requiring ESS, while 348\/549 (63%) were successfully treated with medical therapy Based on logistic regression, patients with recurrent acute rhinosinusitis in the pretransplant period were 8.68 more likely to have a recalcitrant disease (95% confidence interval, 3.72\u201020.28, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.0001). Some of the largest determinants of medical therapy failure in the posttransplant period were CRS with nasal polyps, odontogenic CRS, and noninvasive fungal sinusitis. The presence of neutropenia, aplastic anemia, and living transplant were also associated with medically recalcitrant CRS requiring ESS.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our predictive model identifies with high accuracy the patients who may be at risk of developing recalcitrant CRS in the organ transplant population.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ohn.236","type":"journal-article","created":{"date-parts":[[2023,1,27]],"date-time":"2023-01-27T14:14:47Z","timestamp":1674828887000},"page":"1217-1227","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Risk Factors for Recalcitrant Chronic Rhinosinusitis in Organ Transplant Recipients"],"prefix":"10.1002","volume":"168","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3002-7071","authenticated-orcid":false,"given":"Estephania","family":"Candelo","sequence":"first","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery Mayo Clinic  Jacksonville Florida USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karol","family":"Avila\u2010Castano","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery Mayo Clinic  Jacksonville Florida USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abigail","family":"Verez","sequence":"additional","affiliation":[{"name":"Department of Social Science and Public Policy Florida State University  Tallahassee Florida USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jorge A.","family":"Abello\u2010Vaamonde","sequence":"additional","affiliation":[{"name":"Department of Radiology Mayo Clinic  Jacksonville Florida"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1442-087X","authenticated-orcid":false,"given":"Angela M.","family":"Donaldson","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery Mayo Clinic  Jacksonville Florida 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