Maeder Micha Tobias, Ammann Peter, Rickli Hans, Brunner-La Rocca Hans Peter
Baker IDI Heart and Diabetes Institute, PO Box 6492, St Kilda Road Central, Melbourne, VIC 8008, Australia.
Eur J Appl Physiol. 2009 Jan;105(2):247-55. doi: 10.1007/s00421-008-0896-2. Epub 2008 Oct 25.
Heart rate recovery 1 min after exercise termination (HRR-1) is a prognostic predictor. However, the influence of the exercise mode on HRR-1 is incompletely characterised. Twenty-nine young and healthy subjects and 16 elderly patients with chronic heart failure underwent cardiopulmonary exercise testing using cycle ergometer and treadmill ramp protocols in random order. HRR-1 and heart rate recovery 2 and 3 min after exercise (HRR-2, HRR-3) during active recovery and peak oxygen consumption (peak VO(2)) were measured. In both healthy subjects (32 +/- 14 vs. 27 +/- 10 bpm) and HF patients (19 +/- 8 vs. 14 +/- 9 bpm), HRR-1 was faster after cycle exercise (p = 0.029; p for between group difference 0.94). In contrast, HRR-2 and HRR-3 were similar after both tests in both groups. Peak VO(2) was lower during cycle as compared to treadmill exercise in both groups. In conclusion, in both healthy subjects and HF patients, HRR-1 depends on the mode of exercise as peak VO(2) does.
运动终止后1分钟的心率恢复(HRR-1)是一种预后预测指标。然而,运动模式对HRR-1的影响尚未完全明确。29名年轻健康受试者和16名老年慢性心力衰竭患者以随机顺序采用自行车测力计和跑步机斜坡方案进行心肺运动试验。测量了主动恢复期间运动后2分钟和3分钟的心率恢复(HRR-2、HRR-3)以及峰值耗氧量(峰值VO₂)。在健康受试者(32±14对27±10次/分钟)和心力衰竭患者(19±8对14±9次/分钟)中,自行车运动后的HRR-1更快(p = 0.029;组间差异p = 0.94)。相比之下,两组在两种测试后的HRR-2和HRR-3相似。两组中,与跑步机运动相比,自行车运动期间的峰值VO₂较低。总之,在健康受试者和心力衰竭患者中,HRR-1与峰值VO₂一样取决于运动模式。