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Association between obesity and lung function changes by sex and age in adults with asthma

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dc.contributor.authorKim, M-
dc.contributor.authorCho, SH-
dc.contributor.authorJung, JW-
dc.contributor.authorChoi, BW-
dc.contributor.authorKim, SH-
dc.contributor.authorPark, HK-
dc.contributor.authorJang, AS-
dc.contributor.authorJin, HJ-
dc.contributor.authorShin, YS-
dc.contributor.authorKim, MH-
dc.contributor.authorLee, JH-
dc.contributor.authorPark, JW-
dc.contributor.authorKwon, JW-
dc.contributor.authorLee, T-
dc.contributor.authorKim, S-
dc.contributor.authorKim, TB-
dc.contributor.authorChoi, JH-
dc.contributor.authorCOREA investigators-
dc.date.accessioned2022-12-07T05:53:49Z-
dc.date.available2022-12-07T05:53:49Z-
dc.date.issued2022-
dc.identifier.issn0277-0903-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/23264-
dc.description.abstractObjective: The lung function changes presenting before and after asthma treatment in obese people remain largely unknown. This study aimed to investigate the association between obesity and lung function changes before and after treatment in adults with asthma.

Methods: We enrolled 937 newly diagnosed asthma patients from Cohort for Reality and Evolution of Adult Asthma in Korea cohort in 2015-2017, who performed follow-up spirometry after three months of asthma treatment. The percentage changes (Δ) between the spirometry results before and after treatment were calculated. Patients were categorized into four body mass index (BMI) groups; underweight (<18.5), normal (18.5-22.9), overweight (23.0-24.9), and obese (≥25.0). Association between percent change of pulmonary function and BMI was analyzed according to sex and/or age (< 45 yrs, 45-65 yrs, ≥ 65 yrs), which were statistically corrected for age, sex, smoking status, and medication history.

Results: There was no consistent correlation between BMI and each lung function parameter. However, there were significant differences between BMI and ΔFEV1/FVC before and after 3 months of controller treatment. The obese asthmatics showed significantly lower ΔFEV1/FVC (6.0 ± 13.5%) than the underweight (12.6 ± 21.4%, P = 0.044) or normal weight (9.1 ± 14.6%, P = 0.031). Middle-aged women had higher BMI (24.11 ± 3.60 vs. 22.39 ± 3.52) and lower ΔFEV1/FVC (5.7 ± 11.9% vs. 8.9 ± 14.3%, P = 0.012) than young women.

Conclusions: Obesity is negatively correlated with the ΔFEV1/FVC before and after controller treatment. Sex and age differentially contribute to lung function changes in response to asthma medications in adult asthmatics, showing a significant decrease in the ΔFEV1/FVC in middle-aged women.
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dc.language.isoen-
dc.subject.MESHAdult-
dc.subject.MESHAsthma-
dc.subject.MESHBody Mass Index-
dc.subject.MESHFemale-
dc.subject.MESHForced Expiratory Volume-
dc.subject.MESHHumans-
dc.subject.MESHLung-
dc.subject.MESHMiddle Aged-
dc.subject.MESHObesity-
dc.subject.MESHThinness-
dc.subject.MESHVital Capacity-
dc.titleAssociation between obesity and lung function changes by sex and age in adults with asthma-
dc.typeArticle-
dc.identifier.pmid33125287-
dc.subject.keywordAsthma-
dc.subject.keywordage-
dc.subject.keywordlung function-
dc.subject.keywordobesity-
dc.subject.keywordsex-
dc.contributor.affiliatedAuthorShin, YS-
dc.type.localJournal Papers-
dc.identifier.doi10.1080/02770903.2020.1839904-
dc.citation.titleThe Journal of asthma-
dc.citation.volume59-
dc.citation.number1-
dc.citation.date2022-
dc.citation.startPage59-
dc.citation.endPage69-
dc.identifier.bibliographicCitationThe Journal of asthma, 59(1). : 59-69, 2022-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.eissn1532-4303-
dc.relation.journalidJ002770903-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
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