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Combined superposition effect of hypertension and dyslipidemia on left ventricular hypertrophy

Xueyao Zhang1, Guangxiao Li2, Chuning Shi1

  • 1Department of Cardiology, First Hospital of China Medical University, Shenyang, China.

Animal Models and Experimental Medicine
|June 24, 2022
PubMed

Insights

Hypertension combined with nontraditional dyslipidemia significantly increases the risk of left ventricular hypertrophy (LVH). This risk is highest in younger men, highlighting the importance of assessing nontraditional lipid profiles alongside blood pressure.

Area of Science:

  • Cardiology
  • Cardiovascular Disease Research
  • Lipid Metabolism Studies

Background:

  • Hypertension and dyslipidemia are established, modifiable risk factors for cardiovascular disease.
  • Left ventricular hypertrophy (LVH) is a significant indicator of cardiovascular risk.
  • Understanding the interplay between lipid profiles and hypertension in LVH development is crucial.

Purpose of the Study:

  • To investigate the association between traditional and nontraditional blood lipid profiles and the risk of LVH.
  • To examine the combined effect of dyslipidemia and hypertension on LVH risk.

Main Methods:

  • Analysis of data from 9134 participants in the Northeast China Rural Cardiovascular Health Study (NCRCHS).
  • Measurement of traditional lipids (TC, LDL-C, HDL-C, TG) and calculation of nontraditional indices (non-HDL-C, AI, TC/HDL-C, RC).
  • Statistical analysis adjusted for age, gender, and other potential confounding factors.

Main Results:

  • Hypertension, high LDL-C, high non-HDL-C, high Atherosclerosis Index (AI), and high TC/HDL-C were associated with increased LVH risk.
  • After full adjustment, high AI and TC/HDL-C remained significantly associated with LVH.
  • The combination of hypertension and nontraditional dyslipidemia (high AI, high TC/HDL-C) showed the highest LVH risk, particularly in men and individuals under 45.

Conclusions:

  • Nontraditional lipid indices, specifically high Atherosclerosis Index (AI) and TC/HDL-C, are strongly associated with LVH risk.
  • The coexistence of hypertension and nontraditional dyslipidemia presents a significantly elevated risk for developing LVH.
  • Targeting both hypertension and nontraditional dyslipidemia may be key in preventing LVH, especially in younger male populations.
Abstract

Keywords:
atherosclerosisdyslipidemiahypertensionleft ventricular hypertrophy

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