期前收缩后强化(PESP)指期前收缩后心肌收缩能力增加,这一有趣现象被发现已有1个多世纪〔1〕。百余年来,有关PESP的研究文献已有数百篇,内容涉及到PESP的机制、方法、各种生理及病理情况下的表现,利用它作为临床诊断治疗工具等,至今仍方兴未艾,本文综述有关PESP方面的研究及进 Intensification after precontraction (PESP) refers to the systolic myocardial systolic capacity increased after the contraction, this interesting phenomenon was discovered more than a century [1]. Over the past hundred years, hundreds of articles about PESP have been published, covering the mechanism and method of PESP, the performance under various physiological and pathological conditions, and using it as a tool for clinical diagnosis and treatment, which is still in the ascendant. Research and progress on PESP