{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T01:55:00Z","timestamp":1782870900955,"version":"3.54.5"},"reference-count":22,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2022,12,22]],"date-time":"2022-12-22T00:00:00Z","timestamp":1671667200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Respirology Case Reports"],"published-print":{"date-parts":[[2023,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>As functional respiratory impairment following COVID\u201019 infection (COVID\u201019) is increasingly reported in adult, data regarding children especially with pre\u2010existing chronic respiratory disease (PCRD) remain scarce. We retrospectively assessed clinical presentation, duration of symptoms related to COVID\u201019 from paediatric patients with PCRD and compared their pre\/post COVID\u201019\u2010I spirometry values. Data from 12 patients were analysed. Timing between COVID\u201019 diagnosis and subsequent functional evaluation ranged from 26 to 209\u2009days (mean 77). The PCRD in these patients included asthma, cystic fibrosis, bronchiolitis obliterans and bronchomalacia. During COVID\u201019, all clinical presentations were mild. One patient displayed persistent post\u2010COVID\u201019 symptoms for 8\u2009weeks after infection. Two patients presented significant deterioration of post\u2010COVID\u201019 spirometric values with a return to pre\u2010COVID\u201019 values in subsequent measures. We concluded that children with PCRD are not at increased risk for severe COVID disease and that most of them have no or only transient pulmonary functional impairment 1 to 7\u00a0months after COVID\u201019.<\/jats:p>","DOI":"10.1002\/rcr2.1077","type":"journal-article","created":{"date-parts":[[2022,12,23]],"date-time":"2022-12-23T07:29:12Z","timestamp":1671780552000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Pre and post\u2010<scp>COVID<\/scp> 19 infection pulmonary functions in children with chronic respiratory disease: A case series"],"prefix":"10.1002","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7520-9114","authenticated-orcid":false,"given":"Salim","family":"Ramadan","sequence":"first","affiliation":[{"name":"Division of Respiratory Medicine, Department of Pediatrics Sainte\u2010Justine University Hospital Center  Montreal Qu\u00e9bec Canada"},{"name":"Faculty of Medicine University 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