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Prevalence of chronic kidney disease is extremely high in heart transplant recipients

P Przybylowski1, J Malyszko, J S Malyszko

  • 1Department of Cardiac Surgery and Transplantology, Collegium Medicum, Jagiellonian University, Cracow, Pradnicka 80, Poland. piotrus@aol.com

Transplantation Proceedings
|October 28, 2009
PubMed

Insights

Kidney dysfunction is highly prevalent in heart transplant recipients, impacting cardiovascular health. Early detection and a multidisciplinary approach involving nephrologists are crucial for managing this high-risk population.

Area of Science:

  • Nephrology
  • Cardiology
  • Transplantation Medicine

Background:

  • Cardiovascular disease (CVD) frequently coexists with renal dysfunction, often due to diabetes, hypertension, or heart failure.
  • Reduced glomerular filtration rate (GFR) below 60 mL/min is a significant predictor of premature mortality in CVD patients.
  • Kidney dysfunction is a common complication in patients with advanced heart disease and post-heart transplant.

Purpose of the Study:

  • To determine the prevalence of kidney dysfunction in heart transplant recipients.
  • To evaluate kidney function using multiple estimation formulas and direct measurement.
  • To highlight the importance of renal function assessment in managing cardiovascular risk in this population.

Main Methods:

  • Assessed kidney dysfunction in 162 heart transplant recipients.
  • Utilized estimated GFR via Cockcroft-Gault and simplified Modification of Diet in Renal Disease (MDRD) formulas.
  • Measured creatinine clearance through 24-hour urine collection.

Main Results:

  • Significant prevalence of chronic kidney disease (CKD) stages 2, 3, and 4 was observed across all assessment methods.
  • Using the MDRD formula, over 50% of patients had stage 3 CKD (GFR 30-59 mL/min).
  • Creatinine clearance indicated stage 3 CKD in over 70% of recipients.

Conclusions:

  • The prevalence of chronic kidney disease (CKD) is exceptionally high among heart transplant recipients.
  • Routine evaluation of renal function is essential for optimizing cardiovascular risk reduction strategies.
  • A multidisciplinary care model, incorporating nephrology expertise, is vital for comprehensive management of heart transplant patients.

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