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Published on: August 2, 2024
Cardiac risk evaluation for abdominal transplantation
James Y Findlay1, Di Wen, Mercedes S Mandell
1Department of Anesthesiology, Mayo Clinic, Rochester, Minnesota 55905, USA. findlay.james@mayo.edu
Insights
Cardiovascular disease is a major risk in transplant patients, but effective screening remains elusive. Further research is needed to establish reliable diagnostic protocols for cardiac complications in this population.
Area of Science:
- Cardiology
- Transplant Medicine
- Nephrology
- Hepatology
Background:
- Cardiovascular disease (CVD) is a significant cause of death and complications in patients undergoing renal and liver transplantation.
- Current diagnostic strategies for cardiac disease in transplant candidates lack consensus and show considerable disagreement in published literature.
- The prevalence of cardiac disease is notably higher in renal and liver transplant recipients compared to the general population.
Purpose of the Study:
- To review published data on cardiac complications in renal and liver transplant patients.
- To explore reasons behind the divergent opinions on cardiac disease diagnosis and screening in this population.
- To identify the challenges in establishing effective and cost-efficient screening protocols.
Main Methods:
- Review of published observations and literature on cardiac complications in renal and liver transplant patients.
- Analysis of the predictive value of risk factors and noninvasive testing for coronary artery disease.
- Evaluation of the utility of cardiac troponin measurements in predicting outcomes.
Main Results:
- Cardiac complications significantly contribute to early mortality and graft loss post-transplant.
- Traditional cardiovascular risk factors are less predictive of coronary disease in liver transplant patients compared to renal transplant patients.
- Noninvasive stress testing shows low sensitivity for detecting coronary artery disease in both transplant groups, while cardiac troponin shows some predictive value for early mortality.
Conclusions:
- There is a lack of effective and cost-efficient methods for screening transplant patients for cardiac disease.
- Establishing widely accepted screening protocols requires defining the desired predictive power of tests in this unique patient group.
- Further research is necessary to develop and validate reliable screening strategies for cardiac disease in renal and liver transplant recipients.
Purpose Of Review:
Cardiovascular disease has emerged as a leading cause of perioperative morbidity and mortality in renal and liver transplant patients. There is no consensus on how to diagnose cardiac disease in transplant patients. Further, there is significant disagreement in the literature regarding the use of routine screening methods to detect disease. This review will explore published observations on cardiac complications in renal and liver transplant patients to try and determine why investigators hold such divergent opinions.
Recent Findings:
The prevalence of cardiac disease is greater in renal and liver transplant patients than in the general public. Complications of cardiac disease play a large role in early mortality and graft loss in the postoperative period. While the presence of risk factors seems to predict coronary disease in renal disease, these factors do not perform as well in liver disease. Noninvasive stress testing for coronary artery disease seems to have low sensitivity in both transplant populations. However, the measurement of cardiac troponin seems to be of some value in predicting early mortality.
Summary:
Physicians have not identified an effective yet cost-effective way to screen transplant patients for cardiac disease. Therefore, the first step in creating widely accepted protocols demand that physicians decide what predictive power that screening tests should have in this unique population.
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