Transient collateral augmentation during coronary arterial spasm associated with ST-segment depression.
Transient collateral augmentation during coronary arterial spasm associated with ST-segment depression.
复制标题
与 ST 段压低相关的冠状动脉痉挛期间短暂的侧支增强。
DOI：
10.1161/01.cir.67.3.693
复制
发表时间：
1983
期刊：
影响因子：
37.8
通讯作者：
H. Abe
中科院分区：
文献类型：
--
作者：
M. Tada;M. Yamagishi;K. Kodama;T. Kuzuya;S. Nanto;M. Inoue;H. Abe
为了检查冠状动脉痉挛期间可能存在的侧支循环，我们试图可视化侧支血管的短暂出现，这可能有助于挽救否则会危及缺血区域。在3例血管痉挛性心绞痛患者中，主要冠状动脉的完全痉挛性阻塞与短暂的侧支血管增加相关，这是由心绞痛期间与ST段压低相关的非痉挛性动脉提供的。这些侧支血管消失时，心绞痛和ST段改变解决硝酸甘油管理。这些结果表明，侧支血液供应可以通过预先存在的血管在冠状动脉痉挛期间短暂地发生，以灌注缺血区域，并且这种侧支流动可以在预防透壁心肌缺血中发挥作用，从而导致与ST段压低相关的较低程度的缺血。
To examine the possible existence of collateral circulation during coronary artery spasm, we attempted to visualize the transient appearance of collateral vessels that could serve to salvage otherwise jeopardized ischemic areas. In three patients with vasospastic angina, total spastic obstruction of a major coronary artery was associated with transient collateral augmentation, which was supplied by the nonspastic artery during anginal period associated with ST-segment depression. These collateral vessels disappeared when the angina and ST changes resolved after nitroglycerin administration. These findings suggest that the collateral blood supply could transiently occur through preexisting vessels to perfuse the ischemic area during coronary artery spasm and that such collateral flow could have a role in preventing transmural myocardial ischemia, resulting in a lesser degree of ischemia associated with ST-segment depression.