Abstract
Yun-Shan Yen1†, Shu-Han Yang1†, Chen-Liang Chou2,3, Daniel Chiung Jui Su1, Julie Chi Chow4 and Willy Chou1,5* 1Department of physical medicine and rehabilitation, Chi Mei medical center, Tainan, Taiwan 2Department of Physical Medicine and Rehabilitation Taipei Veteran General Hospital, Taipei, Taiwan 3National Yang Ming University, school of Medicine, Taipei, Taiwan 4Department of pediatric, Chi Mei medical center, Tainan, Taiwan 5Department of Recreation and Health-Care Management & Institute of recreation Industry Management, Chia Nan University of Pharmacy, Tainan †These authors contributed equally to this work as first author *Corresponding author: Willy Chou, Department of physical medicine and rehabilitation, Chi Mei medical center, No.901, Zhonghua Rd., Yongkang Dist., Tainan City 710, Taiwan, Tel: +886-6-2812811, Ext: 52000; E-mail: ufan0101@ms22.hinet.net
Highlights
During an incremental cardiopulmonary exercise test (CPET), lactic acid begins to accumulate after anaerobic threshold (AT) [1]
Masaaki Tanehata et al [9] reported that in chronic heart failure patients, the period of isocapnic buffering (IB) phase is closely related to the slope of VO2 as a function of work rate (∆VO2/∆WR), but there is no Numerous studies have demonstrated a beneficial effect of exercise training in chronic heart failure (CHF) patients, which is revealed by increased peak O2 consumption (VO2) in CPET after exercise training [10,11,12,13,14], despite limited improvement in left ventricular ejection fraction (LVEF) [15]
There is no significant correlation between the IB phase and the LVEF of patients
Summary
During an incremental cardiopulmonary exercise test (CPET), lactic acid begins to accumulate after anaerobic threshold (AT) [1]. *Corresponding author: Willy Chou, Department of physical medicine and rehabilitation, Chi Mei medical center, No.901, Zhonghua Rd., Yongkang Dist., Tainan City 710, Taiwan, Tel: +886-6-2812811, Ext: 52000; E-mail: ufan0101@ms22.hinet.net
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