Mayo Clinic proceedings · 2018
Are Metabolically Healthy Overweight/Obese Men at Increased Risk of Sudden Cardiac Death?
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Jae Sae Young, Kurl Sudhir, Fernhall Bo, Kunutsor Setor K, Franklin Barry A, Laukkanen Jari A
Аннотация
OBJECTIVE: To the association between metabolically healthy overweight/obesity and the risk of sudden cardiac death in middle-aged men.
PARTICIPANTS AND METHODS: This prospective study was based on a population sample of 2185 men aged 42 to 60 years from the Kuopio Ischaemic Heart Disease Risk Factor Study. Participants were divided into 4 groups on the basis of body mass index and metabolic health status. Metabolically healthy overweight/obesity was defined as body mass index 25 kg/m2 or greater without metabolic abnormalities, and metabolically unhealthy normal weight was defined as body mass index less than 25 kg/m2 with 1 or more metabolic abnormalities.
RESULTS: During a median follow-up of 26 years (interquartile range, 18.7-28.1 years), 240 sudden cardiac deaths (11%) occurred. Compared with metabolically healthy normal weight men, metabolically unhealthy overweight/obese men had a higher risk of sudden cardiac death (hazard ratio, 1.99; 95% CI, 1.03-3.85) after adjusting for potential confounders. However, metabolically healthy overweight/obese men were not at increased risk of sudden cardiac death (hazard ratio, 0.95; 95% CI, 0.40-2.24) as compared with their metabolically healthy normal weight counterparts after adjusting for age, smoking, low-density lipoprotein cholesterol level, high-sensitivity C-reactive protein level, insulin level, history of myocardial infarction, and directly measured peak oxygen uptake.
CONCLUSION: Our findings indicate that metabolically healthy normal weight men and metabolically healthy overweight/obese men were at comparable risk of sudden cardiac death over a 26-year follow-up period, suggesting that a baseline body mass index of 25 kg/m2 or greater per se does not adversely affect the risk of sudden cardiac death.
PARTICIPANTS AND METHODS: This prospective study was based on a population sample of 2185 men aged 42 to 60 years from the Kuopio Ischaemic Heart Disease Risk Factor Study. Participants were divided into 4 groups on the basis of body mass index and metabolic health status. Metabolically healthy overweight/obesity was defined as body mass index 25 kg/m2 or greater without metabolic abnormalities, and metabolically unhealthy normal weight was defined as body mass index less than 25 kg/m2 with 1 or more metabolic abnormalities.
RESULTS: During a median follow-up of 26 years (interquartile range, 18.7-28.1 years), 240 sudden cardiac deaths (11%) occurred. Compared with metabolically healthy normal weight men, metabolically unhealthy overweight/obese men had a higher risk of sudden cardiac death (hazard ratio, 1.99; 95% CI, 1.03-3.85) after adjusting for potential confounders. However, metabolically healthy overweight/obese men were not at increased risk of sudden cardiac death (hazard ratio, 0.95; 95% CI, 0.40-2.24) as compared with their metabolically healthy normal weight counterparts after adjusting for age, smoking, low-density lipoprotein cholesterol level, high-sensitivity C-reactive protein level, insulin level, history of myocardial infarction, and directly measured peak oxygen uptake.
CONCLUSION: Our findings indicate that metabolically healthy normal weight men and metabolically healthy overweight/obese men were at comparable risk of sudden cardiac death over a 26-year follow-up period, suggesting that a baseline body mass index of 25 kg/m2 or greater per se does not adversely affect the risk of sudden cardiac death.