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KMID : 0191120100250101480
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Journal of Korean Medical Science
2010 Volume.25 No. 10 p.1480 ~ p.1486
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Metabolic Syndrome, Insulin Resistance and Systemic Inflammation as Risk Factors for Reduced Lung Function in Korean Nonsmoking Males
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Lim Seong-Yong
Rhee Eun-Jung
Sung Ki-Chul
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Abstract
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The aim of this study was done to assess the association of lung function with insulin resistance (IR), systemic inflammation, and metabolic syndrome (MetS). In 9,581 apparently healthy non-smoking male adults, pulmonary function, fasting glucose, insulin, lipid profiles and serum high-sensitivity C-reactive protein (hs-CRP) levels were measured, and homeostatic model assessment (HOMA) was used to assess IR. The presence of MetS was defined according to the AHA/NHLBI criteria. The prevalence of MetS was 19.3%. The odds ratio of MetS for restrictive ventilatory pattern was 1.55 (95% confidence interval, 1.12-2.14), and that for obstructive ventilatory pattern was 1.39 (0.66-2.94) after adjustment for confounders. When subjects were divided in 4 groups according to quartiles of FVC or FEV1 (% predicted [pred]), HOMA-IR significantly increased as the FVC or FEV1 (% predicted [pred]) decreased. Individuals in the lowest FVC or FEV1 quartile had the highest hs-CRP level. Prevalence of MetS increased as FVC or FEV1 (% predicted [pred]) quartiles decreased. The abdominal obesity, hs-CRP and HOMA-IR were the independent predictors for the lowest FVC and FEV1 (% predicted [pred]) even after adjustment for confounders. These results indicate that MetS, IR, and systemic inflammation are important risk factors for reduced lung function in nonsmoking Korean males.
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KEYWORD
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Insulin Resistance, Lung Function, Metabolic Syndrome, Obesity, Systemic Inflammation
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