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Factors that predict survival in patients with cirrhosis considered for liver transplantation
M Samada Suarez1, J C Hernández Perera, L Ramos Robaina
1Centro de Investigaciones Médico Quirúrgicas, Havana, Cuba. marcia.samada@infomed.sld.cu
Insights
Child-Pugh classification is a key predictor of survival for liver transplant candidates. Stage C and high MELD scores indicate poorer outcomes, guiding transplant evaluations.
Area of Science:
- Hepatology
- Transplantation Medicine
- Clinical Prognostics
Background:
- Liver transplantation is a critical treatment for end-stage liver disease.
- Accurate prognostic tools are essential for patient selection and management.
- Existing scoring systems like Child-Pugh (CP) and Model for End-Stage Liver Disease (MELD) are used to assess liver function and predict outcomes.
Purpose of the Study:
- To determine prognostic factors for 6- and 12-month survival in patients evaluated for liver transplantation.
- To compare the predictive value of Child-Pugh classification and MELD score for patient survival.
Main Methods:
- A cohort of 144 cirrhosis patients evaluated for liver transplantation was analyzed.
- Clinical and laboratory variables, including CP classification and MELD score, were recorded.
- Statistical analysis, including Cox regression, was performed to identify significant predictors of survival.
Main Results:
- Univariate analysis identified several factors associated with survival, including CP classification and MELD score.
- Cox regression analysis revealed Child-Pugh classification as the sole independent predictor of survival.
- Worse survival at 6 and 12 months was associated with CP stage C and MELD scores > 15.
Conclusions:
- Child-Pugh classification is an independent prognostic factor for liver transplant recipient survival.
- CP stage C and MELD scores > 15 are strongly linked to reduced survival.
- Both CP classification and MELD score are crucial for evaluating liver transplant candidates.
Objective:
To identify prognostic factors for survival at 6 and 12 months in patients evaluated for liver transplantation using Child-Pugh (CP) classification and the Model for End-Stage Liver Disease (MELD) score.
Methods:
We evaluated 144 patients with cirrhosis who were candidates for liver transplantation. We excluded patients with hepatocellular carcinoma, recent liver recipients, and patients who died because of factors unrelated to liver disease. The studied variables were age and sex; prothrombin time; platelet count; albumin, cholesterol, bilirubin, creatinine, and serum sodium concentrations; CP classification and MELD score; and the presence of ascites, encephalopathy, hepatorenal syndrome, spontaneous bacterial peritonitis, and previous variceal bleeding. Data were processed using statistical software (SPSS version 13.0).
Results:
Of the 144 patients, 27 (18.7%) did not survive because of complications of liver disease. Univariate analysis showed the most significant factors to be sex, prothrombin time, bilirubin and albumin levels; ascites, encephalopathy, CP classification, and MELD score. At Cox regression analysis, only CP classification proved to be a valid predictor of survival in our cohort. The lowest survival according to CP classification at 6 and 12 months corresponded to stage C and to MELD scores higher than 15.
Conclusions:
Child-Pugh classification is an independent prognostic factor for recipient survival. Stage C in the CP classification and a MELD score higher than 15 were strongly related to worse survival. Both scores must be taken into consideration for adequate evaluation of liver transplantation for candidates.
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