The cardiovascular evaluation of candidates for living kidney donation

Keshvi Chauhan1, Neetika Garg2, Matthew R Wolff1

  • 1Division of Cardiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States of America.

Insights

Living kidney donation may pose cardiovascular risks for medically complex individuals. This review examines risks, screening, and offers guidance for donor selection and follow-up in higher-risk populations.

Area of Science:

  • Nephrology
  • Cardiology
  • Transplant Surgery

Background:

  • Previous studies on living kidney donation and cardiovascular risk often excluded high-risk individuals.
  • Transplant programs face increasing numbers of medically complex living kidney donors.
  • Current donor selection practices vary significantly across institutions.

Purpose of the Study:

  • To review existing evidence on post-donation cardiovascular outcomes in living kidney donors.
  • To identify prevalent cardiovascular risk factors in potential living kidney donors.
  • To provide recommendations for risk stratification and donor selection in higher-risk individuals.

Main Methods:

  • Comprehensive literature review of studies on living kidney donor cardiovascular outcomes.
  • Examination of prevalent risk factors: older age, hypertension, diabetes, obesity, dyslipidemias, metabolic syndrome.
  • Review of atherosclerotic cardiovascular disease risk calculators for screening and optimization.
  • Analysis of electrocardiographic and echocardiographic abnormalities in the general population to inform donor risk assessment.

Main Results:

  • Limited data exists on cardiovascular outcomes for living kidney donors with pre-existing risk factors.
  • Prevalence and natural history of common screening abnormalities in donors are not well-established.
  • Extrapolation from general population data suggests a need for careful risk stratification.

Conclusions:

  • Living kidney donation in higher-risk individuals requires careful consideration of long-term cardiovascular risks.
  • Standardized screening, risk stratification, and medical optimization are crucial for donor selection.
  • Informed consent and further research are essential for understanding long-term cardiovascular effects in complex donor populations.

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