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Lipid disorders before and after successful liver transplantation
Damian Gojowy1, Joanna Urbaniec-Stompór1, Joanna Adamusik1
1Department of Nephrology, Transplantation and Internal Medicine, Medical University of Silesia, Katowice, Poland.
Insights
Lipid disorders like hypertriglyceridemia and hypercholesterolemia significantly increase after liver transplantation (LTx). The prevalence of these cardiovascular risk factors may be linked to the initial cause of liver disease.
Area of Science:
- Cardiology
- Hepatology
- Transplantation Medicine
Background:
- Liver transplantation (LTx) is a vital treatment for end-stage liver disease.
- Cardiovascular complications can impact post-LTx outcomes.
- Lipid disorders are key cardiovascular risk factors requiring assessment.
Purpose of the Study:
- To evaluate the prevalence of lipid disorders before and after liver transplantation.
- To identify lipid disorders as cardiovascular risk factors in LTx patients.
- To analyze the relationship between lipid disorders and the etiology of liver disease.
Main Methods:
- Retrospective analysis of 111 patients surviving at least 2 years post-LTx.
- Assessment of dyslipidemia prevalence before and two years after LTx.
- Analysis correlated with liver disease causes (alcohol, viral, autoimmune).
Main Results:
- Significant increases in hypertriglyceridemia (13.5% to 40.5%) and hypercholesterolemia (17.1% to 51.4%) post-LTx (P<0.001).
- Annual incidence of hypertriglyceridemia and hypercholesterolemia was 16.2% and 20.7% respectively.
- Higher dyslipidemia prevalence in alcoholic liver disease compared to autoimmune causes.
Conclusions:
- Dyslipidemia prevalence significantly increases following liver transplantation.
- The etiology of pre-LTx liver disease may influence post-transplant dyslipidemia rates.
- Monitoring and managing lipid disorders are crucial post-LTx.
Introduction:
Liver transplantation (LTx) is the only successful treatment for end-stage liver disease. The results of liver transplantation depend not only on graft survival but may be also affected by superimposed cardiovascular morbidities. The aim of this retrospective study was to assess the prevalence of lipid disorders as one of the important cardiovascular risk factors in patients before and after successful LTx.
Material And Methods:
One hundred eleven patients who underwent liver transplantation because of liver cirrhosis and survived at least 2 years with functioning graft between November 2005 and May 2014 were included in this retrospective analysis. The mean age of the patients at the time of liver transplantation was 49.7±12.2 years. The prevalence of dyslipidemia was assessed before and two years after liver transplantation. This was analyzed in relation to the etiology of liver disease, including alcohol toxicity, viral or autoimmune diseases.
Results:
The prevalence of hypertriglyceridemia before and after LTx was 13.5% and 40.5%, respectively (P<0.001). Similarly, hypercholesterolemia was noted in 17.1% and 51.4% respectively (P<0.001). The annual incidence of hypertriglyceridemia and hypercholesterolemia during the first two years after LTx was 16.2% and 20.7%, respectively. The prevalence of hypertriglyceridemia (18.5% vs 66.7%, P<0.001) and hypercholesterolemia (29.6% vs 70.0%, P=0.002) was significantly lower in patients with the autoimmune cause of liver cirrhosis in comparison to patients with the alcoholic liver disease.
Conclusions:
The prevalence of dyslipidemia is increased after liver transplantation. The prevalence of dyslipidemia may be related to the cause of liver injury before LTx.
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