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[Relationship between abdominal obesity and left ventricular weight/function].

Zhi-qiang Tian1, Jian Zhong, Zhi-gang Zhao

  • 1Center for Hypertension and Metabolic Disease, Department of Hypertension and Endocrinology, Daping Hospital, Third Military Medical University, Chongqing Hypertension Institute, Chongqing 400042, China.

Zhonghua Xin Xue Guan Bing Za Zhi
|April 21, 2007
PubMed
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Abdominal obesity, measured by visceral adipose area, is linked to increased left ventricular weight and reduced function. This finding highlights a significant correlation between abdominal fat accumulation and cardiac health in patients.

Area of Science:

  • Cardiology
  • Obesity Medicine
  • Diagnostic Imaging

Background:

  • Abdominal obesity is a growing health concern.
  • Left ventricular weight and function are key indicators of cardiac health.

Purpose of the Study:

  • To investigate the association between abdominal obesity and left ventricular (LV) mass and function.
  • To determine if abdominal adipose tissue is an independent predictor of left ventricular hypertrophy (LVH).

Main Methods:

  • 495 patients with hypertension, diabetes, or metabolic syndrome underwent CT scans for abdominal adipose tissue measurement (visceral adipose area [VA], subcutaneous adipose [SA], total abdominal adipose [TA]).
  • Echocardiography was used to assess left ventricular weight and function (left ventricular mass index [LVMI], left ventricular ejection fraction [LVEF]).

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  • Patients were stratified into three groups based on VA levels.

    • Main Results:

    • Increasing VA correlated with increased LV mass (LVM) and LVMI, and decreased LVEF and E/A ratio.
    • Left ventricular hypertrophy (LVH) rates were significantly higher in groups with greater VA.
    • VA was identified as an independent predictor of LVH after adjusting for confounding factors.

    Conclusions:

    • Abdominal adipose tissue accumulation is significantly associated with increased left ventricular weight.
    • Abdominal obesity negatively impacts left ventricular function.
    • Visceral adipose area is a crucial independent predictor of left ventricular hypertrophy.