Is there disparity between risk and incidence of cardiovascular disease after liver transplant?

David A J Neal1, Brian D M Tom, Jian'an Luan

  • 1Department of Medicine, University of Cambridge, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK.

Transplantation
|January 16, 2004
PubMed

Insights

Liver transplant recipients face increased risks for cardiovascular disease due to hypertension and hypercholesterolemia. Despite higher predicted coronary heart disease risk, no deaths from heart attack or stroke occurred in the study.

Area of Science:

  • Cardiology
  • Hepatology
  • Transplantation Medicine

Background:

  • Hypertension and hypercholesterolemia are known complications post-liver transplantation.
  • The impact of these complications on cardiovascular disease (CVD) development remains unclear.

Purpose of the Study:

  • To determine the prevalence of coronary heart disease (CHD) risk factors after liver transplantation.
  • To assess the effect of liver transplantation on predicted 10-year CHD risk and cardiovascular event incidence compared to a matched population.

Main Methods:

  • Retrospective analysis of 181 adult liver transplant recipients.
  • Data collected included blood pressure, lipids, weight, diabetes, smoking, myocardial infarction (MI), and stroke.
  • Framingham coronary risk equations were used to calculate 10-year CHD risk.

Main Results:

  • Prevalence of hypertension was 77%; hypercholesterolemia was 62%.
  • Predicted 10-year CHD risk increased from 6.9% pre-transplant to 11.5% post-transplant, versus 7% in controls.
  • Incidence ratios for MI and stroke were 0.55 and 1.45, respectively, compared to non-transplant controls.

Conclusions:

  • Liver transplant recipients exhibit a high prevalence of CVD risk factors and elevated predicted CHD risk.
  • Despite increased risk factors, no deaths from CHD or stroke were observed during the follow-up period.
Abstract

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