Cardiopulmonary responses to treadmill and cycle ergometry exercise in patients with peripheral vascular disease

Journal of Vascular Surgery
Stephen L TunerYannis P Pitsiladis

Abstract

Peripheral arterial disease (PAD) presenting as intermittent claudication (IC) is routinely assessed as the distance or time walked to the onset of pain, which often occurs before significant cardiopulmonary stress and is subject to confounding factors such as increased body mass and altered gait. Thus, where exercise-induced cardiovascular stress is desirable, such as in cardiac stress testing or clinical trials, an alternative modality of exercise is required. Cycling will circumvent several of the associated problems of treadmill walking and may provide an alternative preferable method of exercise, although there is limited information on the physiologic response of patients with PAD to cycling. This study compared the peak cardiorespiratory responses and the repeatability of cycling and treadmill exercise in patients with PAD. Ten men (mean age, 54 +/- 10 years) with stable IC completed two incremental exercise tests to the limit of tolerance on a treadmill and a cycle ergometer after familiarization with the outcome measures of exercise duration, work performed, respiratory gas exchange variables using continuous breath-by-breath measurement, heart rate, and ratings of perceived pain. Both methods of exercise assessment re...Continue Reading

References

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Citations

May 25, 2011·Medicine and Science in Sports and Exercise·Leslie I KatzelLisa M Shulman
May 16, 2014·Journal of the Neurological Sciences·Martin Langeskov-ChristensenUlrik Dalgas
Aug 7, 2012·Acta Physiologica·A Bondke Persson, P B Persson
Apr 24, 2012·European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery·E L YoungP J E Holt
Sep 16, 2011·Annals of Physical and Rehabilitation Medicine·J-M CasillasY Laurent
Mar 10, 2016·Journal of Cardiopulmonary Rehabilitation and Prevention·Marcel da Rocha ChehuenCláudia Lúcia de Moraes Forjaz
Feb 26, 2013·Current Treatment Options in Cardiovascular Medicine·Ryan J Mays, Judith G Regensteiner

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