Key result
Bariatric surgery significantly improved cardiac structure and function in patients with morbid obesity, including an increase in left ventricular ejection fraction from 57.7% to 59.8%.
Why the study?
Obesity harms multiple organs including the heart, motivating an evaluation of how bariatric surgery and subsequent weight loss affect cardiac structure and function in morbidly obese patients.
Does bariatric surgery improve cardiac structure and function in patients with morbid obesity?
Cohort (n=30)
Yes
Does bariatric surgery improve cardiac structure and function in patients with morbid obesity?
Absolute Event Rate: 59.83% vs 57.7%
p-value: p=<0.001
Bariatric surgery in patients with morbid obesity leads to significant improvements in cardiac structure and systolic/diastolic function at 6 months.
Bariatric surgery may improve echocardiographic parameters in morbid obesity; leaves open effects on clinical outcomes.
Background Obesity is a pathology and a leading cause of death worldwide. Obesity can harm multiple organs, including the heart. In this study, we aim to investigate the effect of bariatric surgery and following weight loss on cardiac structure and functions using echocardiography parameters in patients with morbid obesity. Methods In this cohort study, 30 patients older than 18 with BMI > 40 or BMI > 35 and comorbidity between March 2020 to March 2021 were studied. The patients underwent transthoracic echocardiography before and after six months of the bariatric surgery. Results In total, 30 patients (28 women, 93.3%) with a mean age of 38.70 ± 9.19 were studied. Nine (30%) were diabetic, and 9 (30%) had hypertension. After six months of bariatric surgery, all physical measurements, including weight, Body mass index, and Body surface area, decreased significantly ( p < 0.001). After bariatric surgery, all parameters regarding left ventricular morphology, including left ventricular mass, interventricular septal thickness, left ventricular posterior wall thickness, left ventricular end-systolic diameter, and left ventricular end-diastolic diameter, improved significantly ( p < 0.001). Also, LVEF rose post-bariatric surgery ( p < 0.001). TAPSE parameter indicating right ventricular function also improved ( p < 0.001). Right ventricular diameter, left atrium volume, and mitral inflow E/e ’ decreased significantly ( p < 0.001). Conclusion Systolic and diastolic parameters refine significantly after bariatric surgery in patients with obesity. Bariatric surgery lead to significant cardiac structure and function improvement.
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Abtahi et al. (2024) conducted a cohort in Morbid obesity (n=30). Bariatric surgery vs. Baseline (pre-surgery) was evaluated on Left ventricular ejection fraction (LVEF) (p=<0.001). Bariatric surgery significantly improved cardiac structure and function in patients with morbid obesity, including an increase in left ventricular ejection fraction from 57.7% to 59.8%.
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