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Fixed-distance walk tests at comfortable and fast speed: Potential tools for the functional assessment of coronary patients?

Marie-Doriane Morard 1, 2 Delphine Besson 1, 3 Davy Laroche 1 Alexandre Naaïm 1 Vincent Grémeaux 3, 2, 1 Jean-Marie Casillas 1, 2, 3, * 
* Auteur correspondant
1 PIT - Plateforme d’Investigation Technologique [Centre d’Investigation Clinique 1432 module Plurithématique - Dijon]
CAPS - Cognition, Action, et Plasticité Sensorimotrice [Dijon - U1093], CIC-P803 - Centre d'Investigation Clinique 1432 (Dijon) - Module Plurithématique : Périnatalité Cancérologie Handicap et Ophtalmologie
Abstract : ObjectivesThere is ambiguity concerning the walk tests available for functional assessment of coronary patients, particularly for the walking speed. This study explores the psychometric properties of two walking tests, based on fixed-distance tests, at comfortable and fast velocity, in stabilized patients at the end of a cardiac rehabilitation program.MethodsAt a three-day interval 58 coronary patients (mean age of 64.85 ± 6.03 years, 50 men) performed three walk tests, the first two at a comfortable speed in a random order (6-minute walk test – 6MWT – and 400-metre comfortable walk test – 400mCWT) and the third at a brisk speed (200-metre fast walk test – 200mFWT). A modified Bruce treadmill test was associated at the end of the second phase. Monitored main parameters were: heart rate, walking velocity, VO2.ResultsTolerance to the 3 tests was satisfactory. The reliability of the main parameters was good (intraclass correlation coefficient > 0.8). The VO2 concerning 6MWT and 400mCWT were not significantly different (P = 0.33) and were lower to the first ventilatory threshold determined by the stress test (P < 0.001): 16.2 ± 3.0 vs. 16.5 ± 2.6 vs. 20.7 ± 5.1 mL·min−1·kg−1 respectively. The VO2 of the 200mFWT (20.2 ± 3.7) was not different from the first ventilatory threshold.Conclusions400mCWT and 200mFWT are feasible, well-tolerated and reliable. They explore two levels of effort intensity (lower and not different to the first ventilatory threshold respectively). 400mCWT is a possible alternative to 6MWT. Associated with 200mFWT it should allow a better measurement of physical capacities and better customization of exercise training.
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Soumis le : vendredi 26 mai 2017 - 16:34:13
Dernière modification le : jeudi 17 octobre 2019 - 14:14:03

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Marie-Doriane Morard, Delphine Besson, Davy Laroche, Alexandre Naaïm, Vincent Grémeaux, et al.. Fixed-distance walk tests at comfortable and fast speed: Potential tools for the functional assessment of coronary patients?. Annals of Physical and Rehabilitation Medicine, Elsevier Masson, 2017, 60 (1), pp.13 - 19. ⟨10.1016/⟩. ⟨hal-01528004⟩



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