目的：通过冠脉造影探讨下壁心肌梗死时ST段改变与相关冠状动脉闭塞的关系。
Objective: To observe relationship between ST segment change and corresponding coronary occlusion by way of coronary angiography of acute inferior myocardial infarction.
背景与目的：冠状动脉侧支循环形成是冠状动脉闭塞疾病患者的一个重要适应机制。
Background and Objective: Development of coronary collateral circulation is an important adaptive mechanism occurring in patients with occlusive coronary artery disease.
单支冠状动脉闭塞的患者较多支冠状动脉狭窄的患者更容易发生心内膜下的微血管床闭塞。
CMRI suggests that the occlusion of the single coronary artery may induce more severe myocardial microvascular obstruction than the stenosis of multiple coronary arteries.
无再流现象是指冠状动脉闭塞，血流中断后重新恢复血流，却无心肌组织的有效灌注的现象。
No reflow phenomenon refers to non-effective perfusion in myocardium when the flow regains after flow blockage resulting from coronary artery occlusion.
然而，支架也更容易再狭窄从而导致冠状动脉再次闭塞。
However, they are also more likely to lead to restenosis, a recurrence of artery clogging.
结论：ami是由突然冠状动脉血栓性闭塞所致。
Conclusion: AMI is caused by sudden coronary occlusion of thrombus.
结论MSCT能用于检测急性心肌梗死，同时能发现造成急性心肌梗死的冠状动脉狭窄或闭塞。
Conclusions MSCT can be used to assess acute myocardial infarctions and infarct-related coronary artery stenosis or occlusion.
目的探讨冠状动脉慢性完全闭塞病变的外科手术方法及临床体会。
Aim to investigate the surgical therapy for chronic total occlusion of coronary artery.
AMI若冠状动脉内以血栓性或闭塞性病变为主，应积极联合使用远端球囊保护系统。
The distal balloon protection device can be used in the patients with AMI suffering from coronary arterial thrombosis or occlusion.
目的评价左冠状动脉回旋支急性闭塞超急期心电图特征及演变规律。
Objective To evaluate the character and variation of ECG during the acute phase of obliteration in circumflex branch of left coronary artery.
结论闭塞性冠状动脉病变的PT CA是安全有效的，闭塞时间越短ptca成功率越高。
Conclusion PTCA was safe and effective in treating occlusive coronary artery disease, especially when the occlusive time was short.
目的：探讨溶栓后早期T波倒置对闭塞冠状动脉再通的诊断价值。
OBJECTIVE: To evaluate the diagnostic value for patency of infarct-related coronary artery by earlier T-wave inversion after thrombolysis.
结果：17只猪中有16只猪术后存活8周以上，活体冠状动脉造影显示左冠状动脉回旋支均闭塞。
RESULTS: Totally 16 pigs of the 17 ones survived more than 8 weeks. Complete occlusion of left circumflex coronary artery was observed by coronary arteriography.
目的总结慢性完全闭塞(CTO)冠状动脉(冠脉)病变的临床和影像学特点。
Objective to analyse the clinical and imaging characteristics of coronary heart disease patients with chronic total occlusion (CTO) lesions shown by coronary angiography.
同时扩张冠状动脉血管腔直径假设被模拟的最小和最大气球是75%闭塞所收窄。
Both the minimum and maximum balloon expansions were simulated in the coronary artery assuming the vessel lumen diameter is narrowed by a 75% occlusion.
MSCT显示4个支架闭塞，均得到常规冠状动脉造影证实。
In 4 stents which MSCT shows occlusion, and conventional angiography proofs stent occlusion.
其最常见病因是冠状动脉粥样硬化引起的冠状动脉狭窄和闭塞，因此IHD可视为冠状动脉粥样硬化性心脏病。
Its most common pathogenisis is the straightening and obstruction of the coronary arteries from atherosclerosis. Therefore, IHD is also called Atherosclerotic heart disease.
目的：探讨溶栓后早期T波倒置对闭塞冠状动脉(冠脉)再通的诊断价值。
Objective: To evaluate the diagnostic value for patency of infarct related coronary artery by earlier t wave inversion after thrombolysis.
血栓形成在急性冠状动脉血管闭塞中起关键作用。
Thrombosis plays an important role in acute coronary obstruction.
无急性闭塞而需急诊行冠状动脉旁路移植术及急性心肌梗死发生。
No abrupt coronary closure, emergency bypass surgery and acute myocardial infarction occurred.
冠状动脉血栓形成使内腔闭塞。血栓使仅有的很小的内腔闭塞。
A coronary thrombosis is seen microscopically occluding the remaining small lumen of this coronary artery.
心肌梗死常发生于冠状动脉粥样硬化闭塞。
Myocardial infarction almost always results from occlusive coronary artery atherosclerosis.
当心肌梗塞或心绞痛时，在急性或亚急性闭塞动脉中，PCI可以恢复冠状动脉血流量（或冠脉灌注）。
The procedure restores coronary arterial flow (or coronary perfusion) in an acutely or sub-acutely occluded artery during acute myocardial infarction or unstable angina.
经皮冠状动脉介入治疗和冠状动脉旁路移植术在冠状动脉慢性闭塞病变的治疗中各有其最佳适应证，相互之间是不可替代、但可以互补的。
We think percutaneous coronary intervention and coronary artery bypass grafting each has its the best indication, both cannot substitute for one another, but can be complement mutually.
目的分析冠状动脉完全闭塞后介入治疗的技术及疗效。
Objective to observe the effect of revascularization on total coronary artery occlusion.
结论冠状动脉血管闭塞时间越长，血运重建术成功率越低。
Conclusion It is found that the longer coronary artery occlusion of the lower success in revascularization.
目的评价经皮冠状动脉介入治疗(pci)对伴左心室收缩功能不全的冠状动脉慢性完全闭塞(CTO)患者左室重构及心功能的影响。
Objective to evaluate the effect of percutaneous coronary intervention (PCI) on left ventricular systolic function in patients with chronic total occlusion (CTO) and left ventricular dysfunction.
图示：冠状动脉血栓形成使内腔闭塞。血栓使仅有的很小的内腔闭塞。
A coronary thrombosis is seen microscopically occluding the remaining small lumen of this coronary artery.
结论肌钙蛋白升高的非ST段抬高型急性冠状动脉综合征患者冠状动脉造影特点为血栓发生率高、狭窄较重、血管闭塞率高、血流较慢、心肌组织灌注不良者多。
Conclusions The angiographic features in patients with NSTE-ACS are of higher incidence of thrombus, tighter percent stenoses, higher rate of vesse1 occlusion and closed microvasculature.
结论肌钙蛋白升高的非ST段抬高型急性冠状动脉综合征患者冠状动脉造影特点为血栓发生率高、狭窄较重、血管闭塞率高、血流较慢、心肌组织灌注不良者多。
Conclusions The angiographic features in patients with NSTE-ACS are of higher incidence of thrombus, tighter percent stenoses, higher rate of vesse1 occlusion and closed microvasculature.
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