4.3 Article

MELD scores with incorporation of serum sodium and death prediction in cirrhotic patients on the waiting list for liver transplantation: a single center experience in southern Brazil

期刊

CLINICAL TRANSPLANTATION
卷 26, 期 4, 页码 E395-E401

出版社

WILEY-BLACKWELL
DOI: 10.1111/j.1399-0012.2012.01688.x

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liver transplantation; model for end-stage liver disease; prognostic scores; serum sodium

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To compare the accuracy of standard model for end-stage liver disease (MELD) score with that of four MELD-based scores incorporating serum sodium (SNa) to predict three- and six-month mortality in cirrhotic patients after their placement on the waiting list for liver transplantation (LT). A cohort study was performed. Receiver operating characteristic (ROC) curves were generated for MELD, MELD incorporating SNa (MELD-Na, MELD-Na2), integrated MELD (iMELD), and MELD to SNa ratio (MESO) index to assess the predictive accuracy of these scores to determine three- and six-month mortality. The c-statistic (area under the ROC curve [AUC]) was used to determine predictive power and the Cox proportional-hazard ratio to estimate death risk. We studied 558 patients. There was a statistically significant difference in the predictive accuracy of scores at three months (AUCs: MELD = 0.79 [95% CI = 0.720.87]; MELD-Na = 0.84 [95% CI = 0.780.90]; MELD-Na2 = 0.85 [95% CI = 0.800.91]; iMELD = 0.85 [95% CI = 0.800.90]; MESO = 0.81 [95% CI = 0.800.91]) and at six months (MELD = 0.73 [95% CI = 0.670.80]; MELD-Na = 0.79 [95% CI = 0.730.84]; MELD-Na2 = 0.80 [95% CI = 0.740.85]; iMELD = 0.80 [95% CI = 0.750.85]; MESO = 0.75 [95% CI = 0.690.81]) (p < 0.001). Death risk was independent of age and sex. Sodium-modified MELD scores are able to more accurately predict three- and six-month mortality among cirrhotic patients awaiting LT.

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