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Left ventricular function in patients with type 2 diabetes mellitus.

Thein Htay1, Deval Mehta, Jaekyeong Heo

  • 1Division of Cardiovascular Diseases, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama.

The American Journal of Cardiology
|March 11, 2005
PubMed
Summary

Type 2 diabetes mellitus patients show comparable heart function metrics to non-diabetic individuals. However, abnormal ejection fraction is more prevalent in men with diabetes, unlike women.

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Area of Science:

  • Cardiology
  • Endocrinology
  • Medical Research

Background:

  • Type 2 diabetes mellitus is a global health concern.
  • Cardiac function in diabetic patients requires further investigation.
  • Understanding sex-based differences in diabetic cardiovascular health is crucial.

Purpose of the Study:

  • To compare cardiac structure and function between type 2 diabetes mellitus patients and non-diabetic controls.
  • To investigate sex-specific differences in cardiac parameters in the context of diabetes.

Main Methods:

  • Retrospective analysis of cardiac magnetic resonance imaging data.
  • Comparison of left ventricular ejection fraction, end-diastolic volume, end-systolic volume, and muscle mass.
  • Statistical analysis accounting for sex and diabetes status.

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Main Results:

  • Mean left ventricular ejection fraction, end-diastolic volume, end-systolic volume, and muscle mass were comparable between diabetic and non-diabetic groups.
  • Abnormal ejection fraction was more common in men with diabetes than in men without diabetes.
  • Women with diabetes did not show a higher prevalence of abnormal ejection fraction compared to women without diabetes.
  • Women exhibited higher ejection fraction and lower volumes and muscle mass than men, irrespective of diabetes status.

Conclusions:

  • While overall cardiac structure and function metrics are similar, diabetes impacts ejection fraction differently in men versus women.
  • Sex is a significant factor in cardiac adaptations and potential dysfunction related to type 2 diabetes mellitus.
  • Further research into sex-specific cardiovascular risks and management in type 2 diabetes is warranted.