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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...
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Updated: Sep 24, 2025

Sleeve Gastrectomy in Mice using Surgical Clips
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Bariatric Surgery Improves Heart Geometry and Plasticity.

Camila Ortiz Gomez1, Rajmohan Rammohan1, David Romero-Funes1

  • 1Department of General Surgery, Bariatric and Metabolic Institute Cleveland Clinic Florida, 2950 Cleveland Clinic Blvd, Weston, FL, 33331, USA.

Obesity Surgery
|May 2, 2022
PubMed
Summary
This summary is machine-generated.

Bariatric surgery significantly improves heart geometry in obese patients by reducing left ventricular mass and improving wall thickness. This cardiac remodeling suggests weight loss positively impacts cardiovascular health.

Keywords:
Bariatric surgeryCardiac plasticityHeart geometryWeight loss

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Area of Science:

  • Cardiology
  • Bariatric Surgery
  • Obesity Medicine

Background:

  • Obesity is linked to increased sympathetic tone, altered heart geometry, and higher mortality.
  • These factors contribute to a modifiable mortality risk in the obese population.

Purpose of the Study:

  • To investigate the impact of bariatric surgery on cardiac ventricular structure.
  • To quantify changes in heart geometry following significant weight loss.

Main Methods:

  • Retrospective review of patients undergoing bariatric surgery (2010-2015).
  • Analysis of pre- and post-operative echocardiography data.
  • Comparison of cardiac geometry, volumes, and wall thickness.

Main Results:

  • 49% of patients achieved normal left ventricular geometry one year post-surgery (p=0.01).
  • Significant reductions observed in left ventricular mass and end-diastolic volume (p<0.01).
  • Improvements noted in interventricular septal and relative wall thickness (p<0.01).

Conclusions:

  • Bariatric surgery induces significant cardiac remodeling from concentric remodeling to normal geometry in obese patients.
  • Decreased BMI post-surgery directly improves left ventricular structure.
  • Further research is needed to understand obesity's effects on diastolic function.