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Open Access 01-12-2014 | Research article

Determinants of distance walked during the six-minute walk test in patients undergoing cardiac surgery at hospital discharge

Authors: Géssica Uruga Oliveira, Vitor Oliveira Carvalho, Lucas Pereira de Assis Cacau, Amaro Afrânio de Araújo Filho, Manoel Luiz de Cerqueira Neto, Walderi Monteiro da Silva Junior, Telma Cristina Fontes Cerqueira, Valter Joviniano de Santana Filho

Published in: Journal of Cardiothoracic Surgery | Issue 1/2014

Abstract

Introduction

The aim of this study was to identify the determinants of distance walked in six-minute walk test (6MWD) in patients undergoing cardiac surgery at hospital discharge.

Methods

The assessment was performed preoperatively and at discharge. Data from patient records were collected and measurement of the Functional Independence Measure (FIM) and the Nottingham Health Profile (NHP) were performed. The six-minute walk test (6MWT) was performed at discharge. Patients undergoing elective cardiac surgery, coronary artery bypass grafting or valve replacement were eligible. Patients older than 75 years who presented arrhythmia during the protocol, with psychiatric disorders, muscular or neurological disorders were excluded from the study.

Results

Sixty patients (44.26% male, mean age 51.53 ± 13 years) were assessed. In multivariate analysis the following variables were selected: type of surgery (P = 0.001), duration of cardiopulmonary bypass (CPB) (P = 0.001), Functional Independence Measure - FIM (0.004) and body mass index - BMI (0.007) with r = 0.91 and r2 = 0.83 with P < 0.001. The equation derived from multivariate analysis: 6MWD = Surgery (89.42) + CPB (1.60) + MIF (2.79 ) - BMI (7.53) - 127.90.

Conclusion

In this study, the determinants of 6MWD in patients undergoing cardiac surgery were: the type of surgery, CPB time, functional capacity and body mass index.

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Title: Determinants of distance walked during the six-minute walk test in patients undergoing cardiac surgery at hospital discharge
Authors: Géssica Uruga Oliveira
Vitor Oliveira Carvalho
Lucas Pereira de Assis Cacau
Amaro Afrânio de Araújo Filho
Manoel Luiz de Cerqueira Neto
Walderi Monteiro da Silva Junior
Telma Cristina Fontes Cerqueira
Valter Joviniano de Santana Filho
Publication date: 01-12-2014
Publisher: BioMed Central
Published in: Journal of Cardiothoracic Surgery / Issue 1/2014
Electronic ISSN: 1749-8090
DOI: https://doi.org/10.1186/1749-8090-9-95

At a glance: The STEP trials

Springer Medicine

Determinants of distance walked during the six-minute walk test in patients undergoing cardiac surgery at hospital discharge

Abstract

Introduction

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Introduction

Methods

Results

Conclusion

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