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Relationship between aortic valve sclerosis and left ventricular hypertrophy in chronic haemodialysis patients

Funda Turkmen1, Ayse Emre, Ali Ozdemir

  • 1Fresenius-Diamed Hemodialysis Center, Haydarpasa Research Hospital, Istanbul, Turkey.

International Urology and Nephrology
|December 19, 2007
PubMed

Insights

Aortic valve sclerosis (AVS) is linked to left ventricular hypertrophy (LVH) in chronic haemodialysis patients. This valve condition increases outflow resistance, contributing to LVH development and cardiovascular risk.

Area of Science:

  • Nephrology
  • Cardiology
  • Internal Medicine

Background:

  • Cardiac valve calcification is common in patients undergoing chronic haemodialysis.
  • Left ventricular hypertrophy (LVH) is a key predictor of cardiovascular mortality in end-stage renal disease.
  • The relationship between aortic valve sclerosis (AVS) and LVH in this population requires further investigation.

Purpose of the Study:

  • To evaluate the influence of aortic valve sclerosis (AVS) on the development of left ventricular hypertrophy (LVH).
  • To assess the association between AVS and echocardiographic parameters in chronic haemodialysis patients.

Main Methods:

  • Eighty-two chronic haemodialysis patients (>1 year) were assessed via echocardiography for AVS and LVH (LVMI).
  • Patients were categorized into groups with and without AVS.
  • Plasma biochemistry, haemoglobin, and lipid levels were measured.

Main Results:

  • Left ventricular hypertrophy (LVH) was prevalent in 72% of patients.
  • Patients with AVS exhibited significantly higher LVMI, transaortic flow velocities, and maximal pressure gradients compared to those without AVS.
  • Transaortic flow velocity, pulse pressure, and haemoglobin levels were identified as independent predictors of LVMI.

Conclusions:

  • Aortic valve sclerosis (AVS) is strongly and independently associated with left ventricular hypertrophy (LVH) in chronic haemodialysis patients.
  • Increased transaortic flow velocities and pressure gradients in AVS patients suggest valve resistance to outflow as a potential mechanism.
  • These findings highlight AVS as a significant factor contributing to cardiac remodeling and cardiovascular risk in this patient group.
Abstract

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