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  • Title: Pulmonary function sequelae after respiratory syncytial virus lower respiratory tract infection in children: A systematic review.
    Author: Verwey C, Nunes MC, Dangor Z, Madhi SA.
    Journal: Pediatr Pulmonol; 2020 Jul; 55(7):1567-1583. PubMed ID: 32364320.
    Abstract:
    Respiratory syncytial virus (RSV) lower respiratory tract infection (LRTI) during early childhood may be associated with subsequent pulmonary sequelae, including recurrent wheezing and asthma. We undertook a systematic review to investigate the pulmonary function sequelae following RSV LRTI in the first 3 years of life. The systematic review protocol was registered on PROSPERO (CRD42018087168). PubMed, Scopus, Cochrane Library, and World Health Organization Global Index Medicus, as well as ClinicalTrials.gov and Cochrane Central Register of Controlled Trials, were searched up until 15 June 2019 for published and unpublished interventional and observational studies with the end-point outcome of pulmonary function testing (PFT) after a proven RSV LRTI in the first 3 years of life. Two independent reviewers screened all the titles, abstracts and full texts. Data were extracted using a standardized data extraction form. Corresponding authors were contacted for additional information if required. All studies were assessed for risk of bias using the Newcastle-Ottawa quality assessment scale. The final analysis included 31 studies. Thirteen studies using spirometry reported no association between RSV LRTI and pulmonary function sequelae. The remaining 16 reported abnormal spirometry; 12 obstructive airways disease, three restrictive lung disease, and one mixed lung disease. The heterogeneity in PFT techniques, different ages at testing, and methods used for reporting outcomes made direct comparisons or pooled effect estimates impossible. Children with confirmed RSV LRTI during the first 3 years of life often have abnormal PFTs, favoring obstructive airways disease. The evidence, however, is not overwhelming with conflicting results between studies.
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