Exercise prescription using the heart of claudication pain onset in patients with intermittent claudication

Cucato, Gabriel, Chehuen, Marcel da Rocha, Costa, Luis Augusto Riani, Ritti-Dias, Raphael Mendes, Wolosker, Nelson, Saxton, John and Forjaz, Cláudia Lúcia de Moraes (2013) Exercise prescription using the heart of claudication pain onset in patients with intermittent claudication. Clinics (São Paulo, Brazil), 68 (7). pp. 974-978. ISSN 1980-5322

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Official URL: https://doi.org/10.6061/clinics/2013(07)14

Abstract

OBJECTIVE: To assess the acute metabolic and cardiovascular responses to walking exercise at an intensity corresponding to the heart rate of claudication pain onset and to investigate the effects of a 12-week walking training program at this intensity on walking capacity.

METHODS: Twenty-nine patients with intermittent claudication were randomly allocated to the walking training (n=17) or control (CO, n=12) group. The walking training group performed an acute exercise session comprising 15×2-min bouts of walking at the heart rate of claudication pain onset, with 2-min interpolated rest intervals. The claudication symptoms and cardiovascular and metabolic responses were evaluated. Walking training was then performed at the same intensity twice each week for 12 weeks, while the control group engaged in twice weekly stretching classes. The claudication onset distance and total walking distance were evaluated before and after the interventions. Brazilian Registry Clinical Trials: RBR-7M3D8W.

RESULTS: During the acute exercise session, the heart rate was maintained within tight limits. The exercise intensity was above the anaerobic threshold and >80% of the heart rate peak and VO2peak. After the exercise training period, the walking exercise group (n=13) showed increased claudication onset distance (309±153 vs. 413±201m) and total walking distance (784±182 vs. 1,100±236m) compared to the control group (n=12) (p<0.05).

CONCLUSION: Walking exercise prescribed at the heart rate of claudication pain onset enables patients with intermittent claudication to exercise with tolerable levels of pain and improves walking performance.

Item Type: Article
Uncontrolled Keywords: Peripheral Artery Disease, Functional Capacity, Exercise Intensity, Cardiovascular System, Metabolism.
Subjects: B900 Others in Subjects allied to Medicine
C600 Sports Science
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: John Saxton
Date Deposited: 01 Mar 2016 12:19
Last Modified: 06 Nov 2019 15:00
URI: http://nrl.northumbria.ac.uk/id/eprint/26203

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