心肌梗死患者运动诱发心肌缺血时的舒张期时间。
Diastolic time during exercise-induced myocardial ischemia in patients with myocardial infarction.
作者信息
Sugiura T, Takehana K, Abe Y, Sumimoto T, Takahashi N, Iwasaka T
机构信息
Second Department of Internal Medicine, Kansai Medical University, Osaka, Japan.
出版信息
Am J Cardiol. 1996 Oct 15;78(8):950-2. doi: 10.1016/s0002-9149(96)00475-4.
The relation between diastolic time and myocardial perfusion defect redistribution of the infarct-related region was studied during upright bicycle exercise with thallium-201 scintigraphy in 37 patients with recent anterior myocardial infarction. In addition to the higher incidence of residual stenosis of the infarct-related artery, a disproportionate shortening of diastolic time in patients with myocardial perfusion defect redistribution permitted further reduction of subendocardial blood flow during exercise.
在37例近期发生前壁心肌梗死的患者中，采用铊-201心肌显像技术，于直立位踏车运动时研究舒张期时间与梗死相关区域心肌灌注缺损再分布之间的关系。除梗死相关动脉残余狭窄发生率较高外，心肌灌注缺损再分布患者的舒张期时间不成比例地缩短，这使得运动期间心内膜下血流进一步减少。
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