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Introduction: Chronic rhinosinusitis with nasal polyps (CRSwNP) is an inflammatory disease with multifactorial etiopathogenesis. This study investigated the recurrence rate and risk factors predicting recurrence in patients subjected to Functional Endoscopic Sinus Surgery (FESS) for CRSwNP. Methods: Patients affected by CRSwNP who underwent FESS between January 2015 and March 2020 were enrolled. The recurrence rate and the influence of risk factors were assessed. Results: A total of 154 patients were included, 100 males and 54 females, aged 14–82 years (mean age 51.96 ± 16.27; median 52 years). Of 154 patients, 28 presented CRSwNP recurrence in a follow-up period ranging from 6 months to 69 months, with a recurrence rate of 18.2%. The recurrence rate was higher in patients aged between 31 and 50 years and between 51 and 70 years at the time of surgery than in those aged between 14 and 30 years and over 70 years. Furthermore, most patients with recurrence were men (61%), while 39% were women. A higher recurrence rate was observed between non-smokers (50%) and ex-smokers (36%), while only 14% declared themselves habitual smokers. Only four subjects (14%) had a positive family history of CRSwNP. Conclusion: To date, no specific biomarkers have been identified in order to determine the appropriate therapy for the patients affected by CRSwNP. Based on our results, we suggest that it is necessary for an accurate assessment of the CRSwNP patients to identify which phenotype/endotype each subject manifests based on medical history, endoscopy, computed tomography, and a laboratory evaluation.
Cavaliere et al. (Sun,) studied this question.