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Reduced Complications after Arterial Reconnection in a Rat Model of Orthotopic Liver Transplantation
Published on: November 7, 2020
Determinants of coronary artery disease in liver transplant candidates
Alp Aydinalp1, Ilyas Atar, Ugur Bal
1Department of Cardiology, Baskent University Faculty of Medicine, Ankara, Turkey. alpaydinalp@superonline.com
Insights
Typical anginal symptoms and elevated low-density lipoprotein cholesterol levels are key indicators of coronary artery disease in liver transplant candidates, aiding preoperative risk assessment.
Area of Science:
- Cardiology
- Transplant Surgery
- Internal Medicine
Background:
- Liver transplant candidates face risks of cardiovascular complications.
- Preoperative assessment is crucial for managing these risks.
- Identifying coronary artery disease determinants is essential.
Purpose of the Study:
- To determine the factors predicting coronary artery disease (CAD) in liver transplant candidates.
- To improve preoperative cardiovascular risk stratification.
Main Methods:
- Retrospective study of 139 liver transplant candidates (>40 years old) undergoing coronary angiography.
- Exclusion of patients with pre-existing heart conditions.
- Analysis of symptoms, risk factors, lab tests, and diagnostic imaging.
- Multivariable logistic regression to identify independent predictors of CAD.
Main Results:
- Coronary artery disease was found in 9.4% of patients.
- Higher frequency of diabetes, stable angina, smoking, multiple risk factors, and elevated LDL-C in CAD patients.
- Electrocardiogram, echocardiography, and stress tests showed limited diagnostic value.
- Typical angina and LDL-C levels were independent predictors of CAD.
Conclusions:
- Typical anginal symptoms are significant predictors of CAD in this population.
- Low-density lipoprotein cholesterol levels are also strong predictors of CAD.
- These factors can guide preoperative cardiovascular assessment for liver transplant candidates.
Objectives:
The potential for perioperative and late cardiovascular complications in liver transplant candidates makes careful preoperative risk assessment imperative. We sought to identify the determinants of coronary artery disease in liver transplant candidates.
Materials And Methods:
Liver transplant candidates with end-stage liver disease who were more than 40 years old and undergoing coronary angiography were retrospectively included in this study. Patients with known coronary heart disease or valvular heart disease were excluded. Symptoms, coronary artery disease risk factors, blood tests, electrocardiogram, echocardiography, treadmill stress test, myocardial perfusion scintigraphy, and coronary angiography results were recorded. A multivariable logistic regression model was used to assess the independent predictors of coronary artery disease.
Results:
A total of 139 patients (mean age, 52 +/- 8; 110 male [79%]) were included in the analysis. Coronary angiography revealed that 13 patients (9.4%) had coronary artery disease. The frequency of diabetes mellitus, stable angina symptoms, positive smoking status, presence of 2 or more risk factors for coronary artery disease, and mean low-density lipoprotein cholesterol levels were significantly higher in patients with coronary artery disease than in patients without coronary artery disease. The electrocardiogram, echocardiography, and noninvasive stress test results were not valuable tools in liver transplant candidates for the diagnosis of coronary artery disease. In multivariate analysis, typical angina symptoms and low-density lipoproteins cholesterol levels appeared to be independent factors that were predictive of coronary artery disease.
Conclusions:
Typical anginal symptoms and low-density lipoprotein cholesterol levels seem to be the best predictors of coronary artery disease in liver transplant candidates.
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