Association Between Sarcopenic Obesity and Pulmonary Function in Korean Elderly: Results from the Korean National Health and Nutrition Examination Survey

Although body composition is related to lung function, few studies have reported the effects of sarcopenic obesity on lung function. Thus, the aim of this study was to investigate the associations between lung function and sarcopenia in the presence and in the absence of obesity. We analyzed nationa...

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Bibliographic Details
Published in:Calcified tissue international 2020-02, Vol.106 (2), p.124-130
Main Authors: Lee, Seung Eun, Park, Ju-Hyun, Kim, Kyoung-Ah, Kang, Yun-Seong, Choi, Han Seok
Format: Article
Language:English
Subjects:
Biochemistry
Biomedical and Life Sciences
Body composition
Body mass index
Cell Biology
Endocrinology
Geriatrics
Life Sciences
Lung diseases
Obesity
Obstructive lung disease
Original Research
Orthopedics
Respiratory function
Sarcopenia
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Summary:Although body composition is related to lung function, few studies have reported the effects of sarcopenic obesity on lung function. Thus, the aim of this study was to investigate the associations between lung function and sarcopenia in the presence and in the absence of obesity. We analyzed nationally representative data of 3044 adults aged > 60 years as collated by the ‘Korean National Health and Nutrition Examination Survey 2014–2016. Subjects were classified into four groups: non-sarcopenic non-obese (S−O−), non-sarcopenic obese (S−O+), sarcopenic non-obese (S+O−), and sarcopenic obese (S+O+) according to handgrip strength (GS) and body mass index (BMI). GS was found to be positively associated with forced volume vital capacity (FVC). The S+O+ group had significantly lower FVC values than the S−O− group. Subjects in the S+O+ group were more likely to have restrictive lung disease than those in the S−O− group (odds ratios [ORs] 2.81, 95% confidence interval [CI] 1.72–4.59), and the ORs of restrictive lung disease in S+O+ group were higher than in the S−O+ or S+O− groups. These results were consistent after stratifying by sex and age (61–70 and 71–80). FEV1/FVC ratios (a marker for obstructive lung disease) were not significantly different between S+O+ and S−O− groups. Sarcopenic obesity is associated with a higher risk of restrictive lung disease in Korean elderly.
ISSN:0171-967X
1432-0827
DOI:10.1007/s00223-019-00623-z