Cycle exercise causes a lower ventilatory response to exercise in chronic heart failure

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Abstract
The form of exercise undertaken, stationary cycle or treadmill, varies between exercise laboratories. Treadmill based protocols achieve higher values of pV˙o2 and anaerobic threshold than those using a cycle. The effects of the different exercise modes on the V˙e/V˙co2 slope and the symptoms of breathlessness are unknown. The aim of the present study was to explore the effect of cycle and treadmill exercise on ventilation and symptoms.