冠状动脉造影正常的高血压患者心肌供血分析Myocardial blood supply of hypertensive patients with normal coronary angiography
李昭屏,孙超,杨永珍,郭静萱,陈明哲
摘要(Abstract)：
目的 为了解冠状动脉造影（ＣＡＧ）正常的高血压患者心肌供血情况。方法选择５２例高血压病Ｉ期或Ⅱ期患者，排除心肌梗塞，心肌病，心瓣膜病等，经ＣＡＧ证实冠状动脉无狭窄者，行心电图、超声心动图、负荷９９ＴＣ－ＭＩＢＩ心肌断层显像检查；３０例ＣＡＧ正常无上述疾病的非高血压患者做对照。结果（１）５２例高血压患者中有２５例（４８．１％）心肌断层显像显示有心肌缺血，对照组缺血者７例（２．３％），两组差异有显著性；（２）高血压组的室间隔厚度、左房内径明显高于对照组，舒张功能明显低于对照组；（３）高血压病程、心绞痛症状、心电图ＳＴ－Ｔ改变、左室肥厚及舒张功能在高血压缺血组和非缺血组之间差异无显著性。结论高血压患者虽然ＣＡＧ正常，但核素心肌显像仍有心肌缺血存在，考虑为高血压并发微血管病变，导致冠状动脉血流储备能力（ＣＦＲ）下降所致。
关键词(KeyWords)： 高血压冠; 状动脉造影; 核素心肌显像; 冠状动脉血流储备
基金项目(Foundation):
作者(Author): 李昭屏,孙超,杨永珍,郭静萱,陈明哲
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