摘要
背景:运动锻炼可以减轻慢性心力衰竭的症状。然而何种强度的锻炼可以产生最大益处仍具争议。此外,慢性心力衰竭的发病率随年龄增长而增加;据报道,首次诊断为慢性心力衰竭的患者中,有88%>65岁,
BACKGROUND -Exercise training reduces the symptoms of chronic heart failure. Which exercise intensity yields maximal beneficial adaptations is controversial. Furthermore,the incidence of chronic heart failure increases with advanced age; it has been reported that 88% and 49% of patients with a first diagnosis of chronic heart failure are >65 and >80 years old,respectively. Despite this,most previous studies have excluded patients with an age >70 years. Our objective was to compare training programs...