Reductions in cardiovascular risk after bariatric surgery

被引:42
作者
Benraouane, Fethi [1 ]
Litwin, Sheldon E. [1 ]
机构
[1] Georgia Hlth Sci Univ, Div Cardiol, Augusta, GA 30912 USA
基金
美国国家卫生研究院;
关键词
bariatric surgery; cardiovascular risk factors; diabetes; dyslipidemia; hypertension; obesity; weight loss; GASTRIC BYPASS-SURGERY; CORONARY-HEART-DISEASE; BODY-MASS INDEX; LEFT-VENTRICULAR HYPERTROPHY; LEFT ATRIAL ENLARGEMENT; MORBIDLY OBESE-PATIENTS; CLASS-III OBESITY; WEIGHT-LOSS; TISSUE DOPPLER; MYOCARDIAL-INFARCTION;
D O I
10.1097/HCO.0b013e32834b7fc4
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Purpose of review Obesity is commonly associated with multiple conditions imparting adverse cardiovascular risk, including hypertension, dyslipidemia, and insulin resistance or diabetes. In addition, sleep disordered breathing, inflammation, left ventricular hypertrophy, left atrial enlargement, and subclinical left ventricular systolic and diastolic dysfunction may collectively contribute to increased cardiovascular morbidity and mortality. This review will describe improvements in cardiovascular risk factors after bariatric surgery. Recent findings All of the cardiovascular risk factors listed above are improved or even resolved after bariatric surgery. Cardiac structure and function also have shown consistent improvement after surgically induced weight loss. The amount of improvement in cardiac risk factors is generally proportional to the amount of weight lost. The degree of weight loss varies with different bariatric procedures. On the basis of the improvement in risk profiles, it has been predicted that progression of atherosclerosis could be slowed and the 10-year risk of cardiac events would decline by similar to 50% in patients undergoing weight loss surgery. In keeping with these predictions, two studies have demonstrated reductions in 10-year total and cardiovascular mortality of approximately 50% in patients who had bariatric surgery. Summary These encouraging data support the continued, and perhaps expanded, use of surgical procedures to induce weight loss in severely obese patients.
引用
收藏
页码:555 / 561
页数:7
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