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Introducao: A cirrose hepatica e uma doenca cronica que cursa com diversas repercussoes sistemicas, uma delas e a disfuncao cardiovascular, caracterizada pela queda da resistencia vascular periferica e pelo aumento compensatorio do debito cardiaco. Tal disfuncao manifesta-se principalmente em situacoes de estresse hemodinâmico, estando muitas vezes normal no repouso.  Objetivo: Avaliar a aplicabilidade do Teste de Caminhada de 6 minutos (TC6min) como instrumento sugestivo de disfuncao cardiovascular nos pacientes cirroticos, atraves da correlacao entre o desempenho no teste e o status funcional do paciente. Material e Metodos : Trata-se de estudo observacional e transversal do tipo inquerito, realizado em vinte e nove pacientes cirroticos, submetidos ao TC6min. Foram avaliados a distância percorrida por eles e parâmetros clinicos antes e apos o teste, sendo o resultado comparado de acordo com sua classificacao funcional.  Resultados : Dentre os pacientes classe A de Child-Pugh, 6 deles (26,09% do total dessa classe) nao atingiram a distância minima prevista para o TC6min. Ao se analisar a classe B de Child-Pugh, 5 deles (83,33% do total dessa classe) nao atingiram a distância minima. A media da distância percorrida para pacientes Child A foi de 631,5 m, enquanto o previsto foi de 587,2 m. Em relacao aos pacientes Child B, a media da distância percorrida foi de 441,0 m, com distância prevista de 541,2m. Foi observada uma significativa correlacao inversa entre a distância percorrida e o escore de Child-Pugh (p=0,001).  Conclusao : A distância percorrida no teste de caminhada de 6 minutos apresentou correlacao inversa com a classificacao de Child-Pugh-Turcotte o que demonstra um prejuizo funcional paralelo a piora da doenca hepatica de base. Ao considerar que os pacientes do estudo nao apresentavam comorbidades previamente diagnosticadas que pudessem justificar tal prejuizo, essa associacao pode indicar disfuncao cardiovascular. Esta, por sua vez, provavelmente esta relacionada ao comprometimento sistemico secundario a cirrose hepatica. Descritores: Doencas cardiovasculares, Cardiomiopatias, Cirrose hepatica. Triagem, Teste de caminhada Abstract Introduction: Hepatic cirrhosis is a chronic disease that has several systemic repercussions. One of them is the cardiovascular dysfunction, characterized by the decrease of the peripheral vascular resistance and the compensatory increase of the cardiac output. Such dysfunction manifests itself mainly in situations of hemodynamic stress, and is often normal at rest.  Objective : To evaluate the applicability of the 6-minute walk test (6MinWT) as an instrument suggestive of cardiovascular dysfunction in cirrhotic patients, through correlation between the test performance and the functional status of the patient. Methods: This is an observational and cross-sectional study of the survey type, performed in twenty-nine cirrhotic patients submitted to 6MinWT. The distance walked by them and the clinical parameters before and after the test were evaluated, and  the results were compared according to their functional classification.  Results: Among Child-Pugh A patients, 6 (26.09% of the total of this class) did not reach the minimum distance predicted for the 6MWT. Analyzing the Child-Pugh B, 5 of them (83.33% of the total of this class) did not reach the minimum distance. The mean distance performed by Child A patients was 631.5 m, while the predicted distance was 587.2 m. In relation to Child B patients, the average distance performed was 441.0 m, with an expected distance of 541.2 m. A significant inverse correlation was observed between the distance walked and the Child-Pugh score (p = 0.001).  Conclusion: The distance walked in the 6-minute walk test showed an inverse correlation with the Child-Pugh-Turcotte classification, which demonstrates a functional impairment parallel to the worsening of the underlying liver disease. Considering that the studied patients did not present previously diagnosed comorbidities that could justify such impairment, this association may indicate cardiovascular dysfunction. This, in turn, is probably related to systemic involvement secondary to liver cirrhosis.  Key words: Cardiovascular diseases, Cardiomyopathies, Liver cirrhosis, Triage, Walk test.

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Relação entre disfunção cardiovascular e hepatopatia crônica através do teste de caminhada de 6 minutos / Relationship between cardiovascular dysfunction and chronic liver disease through the 6 minutes walk test