Distribution characteristics of coronary atherosclerotic plaque in patients with myocardial bridge of mid⁃left anterior descending coronary artery and influencing factors of plaque stability [PDF]
Objective To explore the relationship between myocardial bridge(MB)parameters and plaque distribution in patients with coronary atherosclerosis,as well as the factors influencing plaque stability.
CHEN Zhenmin*,Li Yanping,HE Huiqiong,WU Xi
core +2 more sources
Predictive Value of CCTA Plaque Characteristics for the Progression and Prognosis of Coronary Artery Stenosis [PDF]
Objective: To investigate the value of qualitative and quantitative plaque characteristics on coronary computed tomography angiography (CCTA) in predicting coronary stenosis progression and prognosis.
Dongmei PAN +3 more
core +1 more source
目的研究心电图及平板运动试验(Treadmill Exercise Testing,TET)在冠心病诊断中的应用。方法选择有不典型胸痛或可疑冠心病患者65例,每例患者均在冠状动脉造影前做常规心电图和TET检查,与冠状动脉造影结果相比较。结果在常规心电图阳性16例患者中冠状动脉造影阳性者8例,常规心电图阴性49例患者中冠状动脉造影阳性者24例;TET阳性41例患者中冠状动脉造影阳性者34例。其中冠脉3支以上严重病变的其运动时间、运动量较1、2支病变和非冠心病者小,运动达阳性时平均心率低 ...
侯晶, 陈大伟, 赵力
doaj
Research progress of fractional flow reserve in coronary artery bifurcation lesions [PDF]
分叉病变是经皮冠状动脉介入治疗(PCI)的难点之一,其临床效果不及PCI对于简单病变的治疗。冠状动脉造影并不能反映分叉病变对血管功能学的影响。血流储备分数(FFR)是一种操作简便,可重复性高、较为可靠的生理学参数,可以同时反映冠脉的狭窄程度和心肌的缺血程度。近期的研究表明,由FFR指导的边支干预策略对于分叉病变是可行且有效的,可以减少不必要的干预和手术复杂程度并减少相关并发症。本文就FFR应用于分叉病变的研究进展作一综述。The jailed side branch lesion is ...
Qi, Wei-gang
core +2 more sources
128层螺旋CT冠状动脉造影在评估冠脉支架置入后随访中的临床应用价值
目的研究128层螺旋CT冠状动脉造影在评估冠脉支架置入后随访中的临床应用价值。方法随机抽取2012年4月-2014年11月60例患者,所有患者均进行冠状动脉造影检查确诊为冠心病,并接受支架置入术后进行随访探究,根据128层螺旋CT冠状动脉造影在评估冠脉支架置入后随访情况来评定临床使用价值。结果冠脉CTA有支架无狭窄68枚,有支架再狭窄19枚,而选择性冠状动脉造影检查结果为:支架无狭窄70枚,有支架再狭窄17枚,CTA与SCA进行对比具有较高的符合率(P>0.05),具有统计学意义。结论 ...
侯铁 +7 more
doaj
动脉粥样硬化症患者中富含半胱氨酸蛋白61的表达变化及其临床意义
目的探索动脉硬化症患者血浆富含半胱氨酸蛋白(Cyr61)的水平及相关临床意义。方法动脉粥样硬化是冠状动脉粥样硬化性心脏病及动脉狭窄闭塞的主要病理机制,内皮细胞和平滑肌细胞等多种细胞的黏附、增殖和迁移均参与动脉粥样硬化的形成和发展的过程。动脉粥样硬化的炎性反应学说鉴于Cyr61在细胞功能和炎性反应方面的作用,本研究旨在探讨Cyr61在动脉粥样硬化中的作用。本研究分别比较冠心病患者(急性冠状动脉综合征患者及稳定型心绞痛患者)和对照组(冠状动脉动脉造影未见明显狭窄)的血浆Cyr61水平 ...
王贺元, 程双钰, 王明
doaj
Modeling and Simulation for hemodynamics of coronary artery stenosis [PDF]
冠状动脉性心脏病(coronaryheartdisease,CHD),简称冠心病,是由冠状动脉各种病变导致心肌供血不足或中断所引起的心脏疾病。据世界卫生组织2010年报告统计,在2008年估计有1730万人死于心血管疾病,占全球死亡总数的30%,其中约730万人死于冠心病,已经严重危害人类的健康。研究CHD病理状态下冠状动脉循环系统并分析其血液动力学特性,对于进一步明确CHD发病机理和促进临床治疗手段的提高具有重要的意义。由于有创介入性临床实验存在一些禁忌症和并发症的问题 ...
陈迎潮
core
Correlation of Computed Tomography Angiography and Fractional Flow Reserve Features with Symptoms in Patients with Right Coronary Artery Originating from the Left Coronary Sinus [PDF]
Objective: This study aimed to explore the association between the anatomical and hemodynamic characteristics and the clinical symptoms in patients with the origin of the right coronary artery from the left coronary sinus (AORL) using coronary computed ...
Liang MAO +4 more
core +1 more source
冠状动脉性心脏病(coronary heart disease,CHD),简称冠心病,是一种严重危害人类健康的疾病。而冠状动脉粥样硬化症占CHD的绝大多数,因此,习惯上把CHD视为冠状动脉粥样硬化性心脏病的同义词。颈动脉超声检查具有非入侵性、廉价、快速、可重复性等优点,并且可以清晰显示颈动脉管壁结构,检出颈动脉粥样硬化(CAS)斑块。基于这些优势 ...
于莹, 王辉
doaj
Non-contrast-enhanced 3.0T Whole-heart Coronary MRA: Comparison of Diagnostic Performance between mDixon and WHCA TFE Sequence Using SPIR in CAD Using Coronary Angiography as Reference [PDF]
Objective: To compare the diagnostic performance between mDixon sequence and WHCA TFE sequence using SPIR for non-contrast-enhanced coronary MRA in patients with suspected coronary artery disease (CAD).
Gang ZHANG +8 more
core +1 more source

