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      THE USE OF MELD SCORE (MODEL FOR END-STAGE LIVER DISEASE) AND DERIVATIVES IN CARDIAC TRANSPLANTATION Translated title: A UTILIZAÇÃO DO ESCORE MELD (MODEL FOR END-STAGE LIVER DISEASE) E DERIVADOS NO TRANSPLANTE CARDÍACO

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          ABSTRACT

          Introduction:

          Heart transplantation is still the best therapeutic alternative for the treatment of end-stage heart failure. The use of criteria that consider the complications associated with this procedure can guarantee a better evaluation of the recipient and prepare the team for possible unsatisfactory post-transplant results. The use of the MELD score has been expanded to evaluate cirrhotic patients undergoing various procedures, including cardiac transplantation.

          Objective:

          To analyze the knowledge on MELD score and its derivatives to the prognosis of patients with end-stage heart failure considered for heart transplantation.

          Method:

          Was carried out an integrative review of the publications of the last ten years in Pubmed and Lilacs databases, using the descriptors “heart transplantation”, “liver disease” and “prognosis”. From the total of 111 articles found, six were selected and composed the sample.

          Results:

          The MELD-XI score (eXcluding INR) was the most analyzed in the studies due to the exclusion of INR, since many patients with heart failure use anticoagulants, which may alter their value. MELD and derivatives were associated with unsatisfactory results in cardiac transplantation.

          Conclusion:

          The MELD score can be considered as a good predictor for heart transplantation; however, there are still few studies that make this correlation.

          RESUMO

          Introdução :

          O transplante de coração ainda é a melhor alternativa terapêutica para o tratamento da insuficiência cardíaca terminal. A utilização de critérios que considerem as complicações associadas a esse procedimento pode garantir melhor avaliação do receptor e preparar a equipe para possíveis resultados insatisfatórios no pós-transplante. O uso do escore MELD vem sendo expandido para avaliar pacientes cirróticos submetidos a diversos procedimentos, incluindo o transplante cardíaco.

          Objetivo :

          Analisar o conhecimento produzido relacionando o escore MELD e os seus derivados com o prognóstico dos pacientes com insuficiência cardíaca terminal considerados para o transplante cardíaco.

          Método :

          Foi realizada revisão integrativa das publicações dos últimos dez anos nas bases de dados Pubmed e Lilacs, utilizando os descritores “transplante cardíaco”, “doença hepática” e “prognóstico”. Do total de 111 artigos encontrados, seis foram selecionados e compuseram a amostra.

          Resultados :

          O escore MELD-XI (eXcluding INR) foi o mais analisado nos estudos devido à exclusão do INR, já que boa parte dos pacientes com insuficiência cardíaca fazem uso de anticoagulantes, podendo alterar o seu valor. O MELD e derivados esteve associado aos resultados insatisfatórios no transplante cardíaco.

          Conclusão :

          O escore MELD pode ser considerado como bom preditor para o transplante cardíaco; porém, ainda são poucos os estudos que fazem essa correlação.

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          Most cited references36

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          2016 ESC Guidelines for the Diagnosis and Treatment of Acute and Chronic Heart Failure.

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            Risk factors for mortality after surgery in patients with cirrhosis.

            Current methods of predicting risk of postoperative mortality in patients with cirrhosis are suboptimal. The utility of the Model for End-stage Liver Disease (MELD) in predicting mortality after surgery other than liver transplantation is unknown. The aim of this study was to determine the risk factors for postoperative mortality in patients with cirrhosis. Patients with cirrhosis (N = 772) who underwent major digestive (n = 586), orthopedic (n = 107), or cardiovascular (n = 79) surgery were studied. Control groups of patients with cirrhosis included 303 undergoing minor surgical procedures and 562 ambulatory patients. Univariate and multivariable proportional hazards analyses were used to determine the relationship between risk factors and mortality. Patients undergoing major surgery were at increased risk for mortality up to 90 days postoperatively. By multivariable analysis, only MELD score, American Society of Anesthesiologists class, and age predicted mortality at 30 and 90 days, 1 year, and long-term, independently of type or year of surgery. Emergency surgery was the only independent predictor of duration of hospitalization postoperatively. Thirty-day mortality ranged from 5.7% (MELD score, 20). The relationship between MELD score and mortality persisted throughout the 20-year postoperative period. MELD score, age, and American Society of Anesthesiologists class can quantify the risk of mortality postoperatively in patients with cirrhosis, independently of the procedure performed. These factors can be used in determining operative mortality risk and whether elective surgical procedures can be delayed until after liver transplantation.
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              MELD-XI: a rational approach to "sickest first" liver transplantation in cirrhotic patients requiring anticoagulant therapy.

              Priority for "sickest first" liver transplantation (LT) in the United States is determined by the model for end-stage liver disease (MELD). MELD is a good predictor of short-term mortality in cirrhosis, but it can overestimate risk when international normalized ratio (INR) is artificially elevated by anticoagulation. An alternate prognostic index omitting INR is needed in this situation. We retrospectively analyzed survival data for 554 cirrhotic veterans referred for consideration of LT prior to December 1, 2003 (training group). Using logistic regression we derived a predictive formula for 90-day pretransplant mortality incorporating bilirubin and creatinine but omitting INR. We normalized this formula to the same scale as MELD using linear regression. This yielded MELD-XI (for MELD excluding INR) = 5.11 Ln(bilirubin) + 11.76 Ln(creatinine) + 9.44. Accuracy of MELD-XI was validated in a holdout group of 278 cirrhotic veterans referred after December 1, 2003, and in an independent validation dataset of 7,203 cirrhotic adults listed for LT in the United States between May 1, 2001, and October 31, 2001. MELD-XI and MELD correlated well in training, holdout, and independent validation cohorts (r = 0.930, 0.954, and 0.902, respectively). In the holdout cohort, c-statistics of MELD vs. MELD-XI for mortality were, respectively, 0.939 vs. 0.906 at 30 days;0.860 vs. 0.841 at 60 days; 0.842 vs. 0.829 at 90 days; and 0.795 vs. 0.797 at 180 days. In the independent validation dataset, c-statistics for MELD vs. MELD-XI as predictors of 90-day survival were, respectively, 0.857 vs. 0.843 in noncholestatic liver diseases and 0.905 vs. 0.894 in cholestatic liver diseases. Comparable MELD and MELD-XI scores were associated with comparable prognosis. In conclusion, MELD-XI, despite omission of INR, is nearly as accurate as MELD in predicting short-term survival in cirrhosis. In patients treated with oral anticoagulants, substitution of MELD-XI for MELD may permit more accurate assessment of risk and more rational assignment of "sickest first" priority for LT. (c) 2006 AASLD.
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                Author and article information

                Journal
                Arq Bras Cir Dig
                Arq Bras Cir Dig
                abcd
                Arquivos Brasileiros de Cirurgia Digestiva : ABCD
                Colégio Brasileiro de Cirurgia Digestiva
                0102-6720
                2317-6326
                02 July 2018
                2018
                : 31
                : 2
                : e1370
                Affiliations
                [1 ]Hospital Universitário Oswaldo Cruz, Recife, PE, Brazil
                Author notes
                Correspondence: Ana Claudia Oliveira de Moraes, Email: anamoraestx@ 123456gmail.com

                Conflict of interest: none

                Article
                00501
                10.1590/0102-672020180001e1370
                6044199
                29972398
                1ad23546-b02a-4f78-b438-5de04d2ae1f3

                This is an open-access article distributed under the terms of the Creative Commons Attribution License

                History
                : 30 January 2018
                : 29 March 2018
                Page count
                Figures: 4, Tables: 0, Equations: 0, References: 31, Pages: 1
                Categories
                Review Article

                cardiac transplantation,liver disease,prognosis,transplante cardíaco,doença hepática,prognóstico.

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