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Estudo Geral
Master thesis . 2010
Data sources: Estudo Geral
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Meld, ukled e imeld no prognóstico dos portadores de hepatopatias crónicas

Authors: Perdigoto, David Noiva Leiras Rodrigues;

Meld, ukled e imeld no prognóstico dos portadores de hepatopatias crónicas

Abstract

Introduction: the ability to predict early survival in patients with chronic liver diseases is crucial for offering the best therapeutic options, such as liver transplantation, to the patients most suitable. With this objective, several prognostic scores are used. In addition to the most frequently used MELD, new scores like UKELD and iMELD are now being used. Objective: The aim of this work was to study 100 patients with chronic liver disease, who had all been admitted to the Gastroenterology Service of the Hospitais da Universidade de Coimbra during 2005. The MELD, UKELD and iMELD scores were calculated for the initial admission. The outcome of the patients was studied to determine the correlation between the initial value for each of the three scores and the survival of the patient. Methodology: we retrospectively analyzed the cases of the 100 patients. The relevant clinical data was recorded. The statistical analysis was performed using the statistical program “Statistical Package for Social Sciences – SPSS” version 18 for Windows (SPSS Inc. Chicago). We used the following tests: Chi-square, Kaplan-Meier and Cox regression and we calculated the Receiver Characteristic Operating Curves (ROC) for the three scores included in the study: MELD, UKELD and iMELD. Results: The three months survival was 87.2%, 71.1% and 50% in patients with MELD values of 25 respectively. The one year survival was 78.7%, 60% and 25% in patients with MELD values of 25 respectively. In patients with UKELD score greater than 49 the one year mortality was 42.0% and 16.1% for values of UKELD equal or minor than 49. Higher values of iMELD corresponded to lower survival, both at three months and one year follow-up. The areas under the curve (AUC) for the MELD, UKELD and iMELD scores as predictors of three months mortality were respectively 0.700, 0.704 and 0.706. The AUC for the MELD, UKELD and iMELD scores as predictors of one year mortality were respectively 0.692, 0.725 and 0.747. Conclusions: patients with higher MELD values have lower survival rates. Patients with UKELD value greater than 49 have a one year mortality greater than 9%. Patients with higher iMELD values have lower survival rates. The MELD, UKELD and iMELD scores are good predictors of three months and one year mortality in patients with chronic liver diseases

Introdução: o conhecimento da sobrevida antecipada em doentes com hepatopatias crónicas é fundamental para que se possam oferecer as melhores opções terapêuticas, como por exemplo o transplante hepático, aos doentes mais indicados. Neste contexto, têm sido utilizados vários scores prognósticos. Ao bastante divulgado MELD recentemente se juntaram UKELD e iMELD entre outros. Objectivo: o objectivo deste trabalho consistiu em estudar 100 doentes portadores de hepatopatias crónicas internados no serviço de Gastroenterologia dos Hospitais da Universidade de Coimbra em 2005. Os scores MELD, UKELD e iMELD foram calculados para a admissão inicial. A evolução dos doentes foi estudada para avaliar a relação do valor inicial do score com a respectiva sobrevida. Metodologia: recorreu-se à análise retrospectiva dos processos dos 100 doentes. Foram registados os dados clínicos essenciais. Foi realizado o tratamento estatístico dos dados recorrendo ao programa Statistical Package for the Social Sciences - SPSS versão 18 para Windows (SPSS Inc. Chicago). Foram utilizados os testes de Chi-Square, Kaplan-Meier e Cox Regression e foram calculadas as curvas Receiver Operating Characeristic Curve (ROC) para os três scores. Resultados: a sobrevida a três meses foi de 87,2%, 71,1% e 50% em doentes com valores de MELD de 25 respectivamente. A sobrevida a um ano foi de 78,7%, 60% e 25% em doentes com valores de MELD de 25 respectivamente. Nos doentes com score UKELD superior a 49 a mortalidade a um ano foi de 42,0 % e apenas de 16,1% para valores de UKELD iguais ou inferiores a 49. Valores mais altos de iMELD corresponderam a sobrevidas mais baixas, tanto a três meses como a um ano. As áreas abaixo da curva ROC para os scores MELD, UKELD e iMELD para a mortalidade a três meses foram respectivamente 0,700; 0,704 e 0,706. Para a mortalidade a um ano as áreas abaixo da curva ROC para MELD, UKELD e iMELD foram respectivamente de 0,692; 0,725 e 0,747. Conclusões: os doentes com valores de MELD mais alto apresentam sobrevida mais baixa. Os doentes com valor de UKELD superior a 49 apresentam mortalidade a um ano superior a 9%. Os doentes com valor de iMELD mais altos apresentam menor sobrevida. Os scores MELD, UKELD e iMELD são bons métodos para determinar a mortalidade a três meses e a um ano em doentes com hepatopatias crónicas.

Trabalho final de mestrado integrado em Medicina área científica de Gastroenterologia, apresentada à Faculdade de Medicina da Universidade de Coimbra

Country
Portugal
Related Organizations
Keywords

Doença crónica, UKELD, cirrose, Doenças do fígado, ascite, iMELD, hepatopatias crónicas, MELD

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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