القائمة الرئيسية

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The long-term effect of bariatric surgery on the heart and blood vessels

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 The long-term effect of bariatric surgery on the heart and blood vessels


The long-term effect of bariatric surgery on the heart and blood vessels


The long-term effect of bariatric surgery on cardiovascular outcomes in the elderly has not been well studied, which is why this study aimed to assess the relationship between bariatric surgery and long-term cardiovascular outcomes.


The methods used in the study

Medicare beneficiaries who underwent bariatric surgery from 2013 to 2019 were matched to a control group of obese patients with exact 1:1 matching based on age, gender, BMI, and propensity score matched on 87 clinical variables. Study outcomes included all-cause mortality, new heart failure (HF), myocardial infarction (MI), and stroke. An instrumental variable analysis was performed as a sensitivity analysis.


consequences

The study group included 189.770 patients (94,885 identical patients in each group). By study design, the two groups had similar age (mean: 62.33 ± 10.62 years), gender (70% female), and degree of obesity (mean BMI: 44.7 ± 7.3 kg/m2) and were well balanced across the sample. After a median follow-up of 4.0 years, bariatric surgery was associated with a lower risk of death (9.2 versus 14.7 per 1,000 person-years), with lower rates of new heart failure, cardiac arrest and stroke. The benefit of bariatric surgery was evident in patients 65 years of age and older. Using an instrumental variable analysis, bariatric surgery was associated with lower risks of death, heart failure, and cardiac impairment.


Study conclusions

Among Medicare beneficiaries who have obesity, bariatric surgery is associated with a lower risk of death, the onset of new heart failure, and rupture of the heart.

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