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Lookup NU author(s): Dr Sally Erskine,
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
© 2018 The Author(s). Background: Chronic rhinosinusitis (CRS) is a common disorder associated with other respiratory tract diseases such as asthma and inhalant allergy. However, the prevalence of these co-morbidities varies considerably in the existing medical literature and by phenotype of CRS studied. The study objective was to identify the prevalence of asthma, inhalant allergy and aspirin sensitivity in CRS patients referred to secondary care and establish any differences between CRS phenotypes. Methods: All participants were diagnosed in secondary care according to international guidelines and invited to complete a questionnaire including details of co-morbidities and allergies. Data were analysed for differences between controls and CRS participants and between phenotypes using chi-squared tests. Results: The final analysis included 1470 study participants: 221 controls, 553 CRS without nasal polyps (CRSsNPs), 651 CRS with nasal polyps (CRSwNPs) and 45 allergic fungal rhinosinusitis (AFRS). The prevalence of asthma was 9.95, 21.16, 46.9 and 73.3% respectively. The prevalence of self-reported confirmed inhalant allergy was 13.1, 20.3, 31.0 and 33.3% respectively; house dust mite allergy was significantly higher in CRSwNPs (16%) compared to CRSsNPs (9%, p < 0.001). The prevalence of self- reported aspirin sensitivity was 2.26, 3.25, 9.61 and 40% respectively. The odds ratio for aspirin sensitivity amongst those with AFRS was 28.8 (CIs 9.9, 83.8) p < 0.001. Conclusions: The prevalence of asthma and allergy in CRS varies by phenoytype, with CRSwNPs and AFRS having a stronger association with both. Aspirin sensitivity has a highly significant association with AFRS. All of these comorbidities are significantly more prevalent than in non-CRS controls and strengthen the need for a more individualised approach to the combined airway.
Author(s): Philpott CM, Erskine S, Hopkins C, Kumar N, Anari S, Kara N, Sunkaraneni S, Ray J, Clark A, Wilson A, Coombes E, Sunkaraneni V, Robertson A, Ahmed S, Carrie S, Jervis P, Panesaar J, Farboud A, Cathcart R, Almeyda R, Khalil H, Prinsley P, Mansell N, Salam M, Hobson J, Woods J
Publication type: Article
Publication status: Published
Journal: Respiratory Research
Online publication date: 27/06/2018
Acceptance date: 08/06/2018
Date deposited: 13/07/2018
ISSN (print): 1465-9921
ISSN (electronic): 1465-993X
Publisher: BioMed Central Ltd
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