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Changes in Cardiovascular Health Status and Risk of Sudden Cardiac Death in Older Adults

 Min Kim  ;  Pil Sung Yang  ;  Hee Tae Yu  ;  Tae Hoon Kim  ;  Eunsun Jang  ;  Jae Sun Uhm  ;  Hui Nam Pak  ;  Moon Hyoung Lee  ;  Boyoung Joung 
 YONSEI MEDICAL JOURNAL, Vol.62(4) : 298-305, 2021-04 
Journal Title
Issue Date
Aged ; Cardiovascular Diseases* / epidemiology ; Death, Sudden, Cardiac / epidemiology ; Exercise ; Health Status ; Humans ; Republic of Korea / epidemiology ; Risk Factors ; United States
Sudden cardiac death ; elderly ; health status index ; mortality
Purpose: Cardiovascular health (CVH) status is associated with several cardiovascular outcomes; however, correlations between changes in CVH status and risk of sudden cardiac death (SCD) are unknown. We aimed to evaluate associations between changes in CVH status and risk of SCD and all-cause death in older adults. Materials and methods: We used data from the Korea National Health Insurance Service-Senior cohort database (2005-2012). Six metrics from the American Heart Association (smoking, body mass index, physical activity, blood pressure, total cholesterol, and fasting blood glucose) were used to calculate CVH scores. Changes in CVH status between two health checkups were categorized as low to low, low to high, high to low, and high to high. Results: We included 105200 patients whose CVH status for an initial and follow-up health checkup (2-year interval) was available. During a median of 5.2 years of follow-up after a second health checkup, 688 SCDs occurred. Compared to patients with a persistent low CVH status, those with a consistently high CVH status had a reduced risk of SCD [adjusted hazard ratio (HR), 0.69; 95% confidence interval (CI), 0.56-0.86] and all-cause death (adjusted HR, 0.74; 95% CI, 0.69-0.78). The risk of all-cause death followed similar trends. However, an inconsistent linear relationship was observed for changes in CVH status and the risk of SCD, but not of all-cause death. Conclusion: Maintaining a high CVH status was associated with future risks of SCD and all-cause death among an older adult population.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > BioMedical Science Institute (의생명과학부) > 1. Journal Papers
Yonsei Authors
Kim, Tae-Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-4200-3456
Pak, Hui Nam(박희남) ORCID logo https://orcid.org/0000-0002-3256-3620
Uhm, Jae Sun(엄재선) ORCID logo https://orcid.org/0000-0002-1611-8172
Yu, Hee Tae(유희태) ORCID logo https://orcid.org/0000-0002-6835-4759
Lee, Moon-Hyoung(이문형) ORCID logo https://orcid.org/0000-0002-7268-0741
Jang, Eunsun(장은선) ORCID logo https://orcid.org/0000-0001-6991-4765
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
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