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Objective To study the effects of aerobic exercise on exercise tolerance in patients with chronic heart failure (CHF). Methods Total of 50 CHF patients were enrolled in the study, left ventricular ejection fraction (LVEF) Results The VO 2 AT, VO 2 peak, peak VO 2 /HR, load AT and load peak in patients of T group were increased compared with baseline, the differences of ▱VO 2 AT, ▱VO 2 peak, ▱peak VO 2 /HR, ▱load AT and ▱load between two groups were statistically significant (p 2 in patients of T group was decreased compared with baseline, but the slope of VE/VCO 2 in non-T group was increased over baseline, the difference of ▱VE/VCO 2 slope between two groups was not statistically significant (p>0.05). Conclusion After 3 months of aerobic exercise, exercise capacity can be improved in patients with CHF. |
