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ORIGINAL ARTICLE
Year : 2010  |  Volume : 13  |  Issue : 4  |  Page : 379-381

Prediction of functional capacity during six-minute walk among patients with chronic heart failure


1 Department of Medical Rehabilitation, Obafemi Awolowo University, Ile-Ife, Nigeria
2 Department of Physical and Health Education, Obafemi Awolowo University, Ile-Ife, Nigeria
3 Department of Medicine, Obafemi Awolowo University, Ile-Ife, Nigeria
4 Department of Medicine, Ladoke Akintola University of Technology, Osogbo, Nigeria

Correspondence Address:
R A Adedoyin
Department of Medical Rehabilitation, Obafemi Awolowo University, Ile-Ife
Nigeria
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Source of Support: None, Conflict of Interest: None


PMID: 21220849

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Background: Formulae for predicting functional capacity during 6-minute walk are lacking and the accuracy of the existing formulae has been challenged in deferent populations. Aims: The purpose of this study was to develop an equation that would be useful in predicting functional capacity in form of maximum oxygen consumption) (V0 2 ) in Chronic Heart Failure Patients (CHF) during exercise. Methods: Sixty-five subjects were recruited for the study. The procedure required the subjects to walk on a self paced speed on a 20 meter marked level ground for 6 minutes. The distance covered in 6 minutes was measured and the speed calculated. Results: The result showed that the distance covered was highly correlated with the VO2 (0.65, p< 0.01). The regression analysis revealed that a linear equation model developed was a good predictor of V0 2 for the group. Conclusion: The study concluded that in situation where sophisticated equipments are lacking, this equation might be useful during exercise supervision for patients with CHF. [VO2 (mlkg-1 min-1) = 0.0105 x distance (m) + 0.0238 age (yr) - 0.03085 weight (kg) + 5.598].


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