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논문 기본 정보

자료유형
학술저널
저자정보
Lee Hyun Woo (Division of Respiratory and Critical Care Department of Internal Medicine Seoul Metropolitan Government Seoul National University Boramae Medical Center Seoul Korea) Chung Goh Eun (Department of Internal Medicine Healthcare System Gangnam Center Seoul National University Hospital Seoul Korea.) Koo Bo Kyung (Division of Endocrinology Department of Internal Medicine Seoul Metropolitan Government Seoul National University Boramae Medical Center Seoul Korea) Sim Hyungtai (Department of Biomedical Sciences Seoul National University College of Medicine Seoul Korea) Choi Murim (Department of Biomedical Sciences Seoul National University College of Medicine Seoul Korea) Lee Dong Hyeon (Division of Gastroenterology and Hepatology Department of Internal Medicine Seoul Metropolitan Government Seoul National University Boramae Medical Center Seoul Korea) Choi Seung Ho (Department of Internal Medicine Healthcare System Gangnam Center Seoul National University Hospital Seoul Korea) Kwak Soo Heon (Department of Internal Medicine Seoul National University Hospital Seoul Korea) Kim Deog Kyeom (Division of Respiratory and Critical Care Department of Internal Medicine Seoul Metropolitan Government Seoul National University Boramae Medical Center Seoul KoreaDepartment of Internal Medicine Seou) Kim Won (Division of Gastroenterology and Hepatology Department of Internal Medicine Seoul Metropolitan Government Seoul National University Boramae Medical Center Seoul KoreaDepartment of Internal Medicine Se)
저널정보
거트앤리버 발행위원회 Gut and Liver Gut and Liver 제17권 제1호
발행연도
2023.1
수록면
139 - 149 (11page)
DOI
10.5009/gnl210545

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Background/Aims: A relationship between fatty liver and lung function impairment has been identified, and both are independently associated with metabolic dysfunction. However, the temporal relationship between changes in fatty liver status and lung function and their genome-wide association remain unclear. Methods: This longitudinal cohort consisted of subjects who received serial health check-ups, including liver ultrasonography and spirometry, for ≥3 years between 2003 and 2015. Lung function decline rates were classified as “slow” and “accelerated” and compared among four different sonographic changes in steatosis status: “normal,” “improved,” “worsened,” and “persistent.” A genome-wide association study was conducted between the two groups: normal/improved steatosis with a slow decline in lung function versus worsened/persistent steatosis with an accelerated decline in lung function. Results: Among 6,149 individuals, the annual rates of decline in forced vital capacity (FVC) and forced expiratory volume measured in the first second of exhalation (FEV1) were higher in the worsened/persistent steatosis group than in the normal/improved steatosis group. In multivariable analysis, persistent or worsened status of fatty liver was significantly associated with accelerated declines in FVC (persistent status, odds ratio [OR]=1.22, 95% confidence interval [CI]=1.04–1.44; worsened status, OR=1.30, 95% CI=1.12–1.50), while improved status of fatty liver was significantly associated with slow declines in FEV1 (OR=0.77, 95% CI=0.64–0.92). The PNPLA3 risk gene was most strongly associated with steatosis status change and accelerated declines in FVC (rs12483959, p=2.61×10-7) and FEV1 (rs2294433, p=3.69×10-8). Conclusions: Regression of fatty liver is related to lung function decline. Continuing efforts to improve fatty liver may preserve lung function, especially for subjects with a high genetic risk.

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