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Porcine Liver Transplantation Without Veno-Venous Bypass As an Extended Criteria Donor Model
Published on: August 17, 2022
Obstructive coronary disease in patients with chronic liver disease awaiting liver transplantation
Moacir Fernandes de Godoy1, Patricia de Oliveira Roveri, Marcio Antonio dos Santos
1Faculdade de Medicina de São José do Rio Preto, SP, Brazil. moacirgodoy@cardiol.br
Insights
In advanced liver failure (ALF), hypertension is the only significant risk factor for coronary artery disease (CAD). Managing hypertension may help prevent or delay CAD in ALF patients awaiting liver transplantation.
Area of Science:
- Cardiology
- Hepatology
- Transplantation Medicine
Background:
- Advanced liver failure (ALF) often presents with hypocholesterolemia.
- Some ALF patients develop obstructive coronary artery disease (CAD), increasing liver transplant risks.
Purpose of the Study:
- To investigate the role of traditional coronary artery disease risk factors in ALF patients.
- To compare risk factors between ALF patients with and without obstructive CAD.
Main Methods:
- Coronary angiography was performed on 119 ALF patients over 40.
- Risk factors for CAD were evaluated in patients undergoing evaluation for liver transplantation.
Main Results:
- Obstructive CAD was found in 17.6% of ALF patients.
- Cholesterol levels were low in all patients, with no significant difference between groups.
- Hypertension was the only statistically significant risk factor for CAD (P=0.0474).
Conclusions:
- Hypertension is a key risk factor for CAD in ALF patients awaiting liver transplantation.
- This modifiable risk factor suggests therapeutic interventions to prevent or delay CAD.
Background:
Advanced liver failure (ALF) usually presents hypocholesterolemia. Nevertheless, some patients with ALF develops major coronary obstructive diseases with consequent increased risk or contraindication to liver transplantation.
Objective:
To analyze the contribution of classical risk factors for coronary artery disease (CAD) in patients with ALF with and without obstructive coronary disease.
Methods:
Evaluation of risk factors for CAD in 119 patients in a referral center for liver transplantation, with the following characteristics: patients older than 40 years of age with ALV who underwent coronary angiography.
Results:
Obstructive coronary disease was detected in 21 (17.6%) of the cases. These patients had really low cholesterol levels, of which 129.0 ± 53.5 mg/dl averaging 117.0 mg/dl in liver disease patients with normal coronary arteries and 135.4 ± 51.7 mg/dl averaging 122.0 mg/dl in liver disease patients with obstructive coronary artery disease (P = 0.8215). In multivariate logistic regression, age, sex, body mass index and the presence of diabetes, smoking and alcohol consumption were not statistically significant in distinguishing groups. Nor was there an association with the etiology of the ALF. In turn, hypertension was proven to be relevant in association with CAD (P = 0.0474).
Conclusion:
Only hypertension was a risk factor with statistical significance for the development of CAD in patients with ALF awaiting liver transplantation. Because it is a modifiable risk factor, this finding guides the practice of therapeutic attitudes in an attempt to prevent or delay the development of CAD in these patients.
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