Related Experiment Video
Updated: Jun 18, 2026
06:47
A Murine Model of Vertical Sleeve Gastrectomy
Published on: December 18, 2017
11.1K
Impact of Bariatric Surgery on Left Ventricular Structure and Function
Diarmaid Hughes1, Ali Aminian2, Chao Tu3
1Robert and Suzanne Tomsich Department of Cardiovascular Medicine, Sydell and Arnold Miller Family Heart, Vascular and Thoracic Institute Cleveland Clinic Cleveland OH.
Journal of the American Heart Association
|December 29, 2023
Summary
Bariatric surgery significantly improves heart health in obese patients by reducing cardiac mass and enhancing left ventricular function. This weight management strategy offers substantial cardiovascular benefits, improving overall cardiac structure and strain.
Area of Science:
- Cardiology
- Bariatric Surgery
- Obesity Medicine
Background:
- Obesity is a major risk factor for cardiovascular disease, including heart failure.
- Bariatric surgery is an effective long-term weight management solution.
- Cardiac structural and functional changes are critical in obesity-related cardiovascular risks.
Purpose of the Study:
- To investigate the long-term effects of bariatric surgery on cardiac structure and function.
- To assess changes in left ventricular global longitudinal strain post-surgery.
- To evaluate the impact on cardiovascular risk factors.
Main Methods:
- Retrospective analysis of 398 patients undergoing bariatric surgery.
- Pre- and postoperative transthoracic echocardiography performed.
- Comparison of cardiovascular risk factors and cardiac parameters at least 6 months post-surgery.
Main Results:
- Significant reductions in weight, systolic blood pressure, HbA1c, and LDL cholesterol.
- Decreased left ventricular mass and increased left ventricular ejection fraction.
- Improved left ventricular global longitudinal strain from -15.7% to -18.6%.
Conclusions:
- Bariatric surgery leads to significant long-term improvements in cardiac structure and function.
- Enhanced left ventricular global longitudinal strain indicates better cardiac health.
- These findings underscore the cardiovascular benefits of bariatric surgery for obese individuals.
More Related Videos
Related Concept Videos
01:20Mitral Regurgitation I: Introduction
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
01:22Mitral Stenosis I: Introduction
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
01:29Heart Failure II: Pathophysiology
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
01:28Cardiomyopathy VII: Pre and Post Operative Nursing Management
Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...