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Evaluation of the six-minute walk test in patients with chronic heart failure associated with Chagas' disease and systemic arterial hypertension / Avaliação do teste de caminhada de seis minutos em pacientes com insuficiência cardíaca crônica associada à doença de Chagas e hipertensão arterial sistêmica
Dourado, Kelly Cristina Colaço; Bestetti, Reinaldo Bulgarelli; Cardinalli-Neto, Augusto; Cordeiro, José Antônio.
  • Dourado, Kelly Cristina Colaço; School of Medicine of São José do Rio Preto. Hospital de Base. Department of Cardiology and Cardiovascular Surgery. BR
  • Bestetti, Reinaldo Bulgarelli; School of Medicine of São José do Rio Preto. Hospital de Base. Department of Cardiology and Cardiovascular Surgery. BR
  • Cardinalli-Neto, Augusto; School of Medicine of São José do Rio Preto. Hospital de Base. Department of Cardiology and Cardiovascular Surgery. BR
  • Cordeiro, José Antônio; School of Medicine of São José do Rio Preto. Hospital de Base. Department of Statistics. BR
Rev. Soc. Bras. Med. Trop ; 43(4): 405-408, jul.-ago. 2010. graf, tab
Article Dans Anglais | LILACS | ID: lil-556006
ABSTRACT

INTRODUCTION:

To evaluate physical capacity as determined by the six-minute walk test (6MWT) in patients with chronic heart failure due to Chagas' disease associated with systemic arterial hypertension (Chagas-SAH).

METHODS:

A total of 98 patients routinely followed at the Cardiomyopathy Outpatient Service were recruited. Of these, 60 (61 percent) were diagnosed with Chagas disease and 38 (39 percent) with Chagas-SAH.

RESULTS:

The distance walked during 6 min was 357.9 ±98 m for Chagas-SAH patients and 395.8 ± 121m for Chagas cardiomyopathy patients (p >0.05). In patients with Chagas-SAH, a negative correlation occurred between the 6MWT and the total score of the Minnesota Living with Heart Failure Questionnaire (r= -0.51; p=0.001). No other correlations were determined between 6MWT values and continuous variables in patients with Chagas-SAH.

CONCLUSIONS:

The results of the 6MWT in Chagas-SAH patients are similar to those verified in Chagas cardiomyopathy patients with chronic heart failure. Coexistence of SAH does not seem to affect the functional capacity of Chagas cardiomyopathy patients with chronic heart failure.
RESUMO

INTRODUÇÃO:

Avaliar a capacidade física medida pelo teste de caminhada de seis minutos em pacientes com insuficiência cardíaca crônica secundária à associação de cardiomiopatia chagásica com hipertensão arterial sistêmica (Chagas-HAS).

MÉTODOS:

Noventa e oito pacientes rotineiramente tratados no Ambulatório de Cardiomiopatia do Hospital de Base foram utilizados no estudo. Deles, 60 (61 por cento) eram portadores de cardiomiopatia chagásica (ChCM), enquanto 38 (39 por cento) apresentavam a associação Chagas-HAS.

RESULTADOS:

A distância média caminhada foi de 357,9 ± 98m no grupo Chagas-SAH e 395,8 ± 121m no grupo ChCM (p >0,05). Nos pacientes com Chagas-SAH, houve correlação negativa entre o Teste de Caminhada de 6 Minutos e a somatória de pontos obtida no Questionário Vivendo com a Insuficiência Cardíaca. (r=-0,51; p=0,001). Nenhuma outra correlação foi observada entre o teste de caminhada de seis minutos e as variáveis contínuas examinadas no grupo Chagas-SAH.

CONCLUSÕES:

Os resultados do teste de caminhada de seis minutos em pacientes com Chagas-SAH são semelhantes aos observados em pacientes com ChCM. A coexistência de HAS parece não afetar a capacidade funcional de pacientes com a associação de cardiomiopatia da doença de Chagas e HAS.
Sujets)

Texte intégral: Disponible Indice: LILAS (Amériques) Sujet Principal: Cardiomyopathie associée à la maladie de Chagas / Marche à pied / Épreuve d'effort / Défaillance cardiaque / Hypertension artérielle Type d'étude: Etude d'étiologie / Facteurs de risque Limites du sujet: Femelle / Humains / Mâle langue: Anglais Texte intégral: Rev. Soc. Bras. Med. Trop Thème du journal: Médecine tropicale Année: 2010 Type: Article Pays d'affiliation: Brésil Institution/Pays d'affiliation: School of Medicine of São José do Rio Preto/BR

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Texte intégral: Disponible Indice: LILAS (Amériques) Sujet Principal: Cardiomyopathie associée à la maladie de Chagas / Marche à pied / Épreuve d'effort / Défaillance cardiaque / Hypertension artérielle Type d'étude: Etude d'étiologie / Facteurs de risque Limites du sujet: Femelle / Humains / Mâle langue: Anglais Texte intégral: Rev. Soc. Bras. Med. Trop Thème du journal: Médecine tropicale Année: 2010 Type: Article Pays d'affiliation: Brésil Institution/Pays d'affiliation: School of Medicine of São José do Rio Preto/BR