右冠状动脉

局部血流动力学参数判断左前降支、右冠状动脉狭窄大于75%时，左前降支舒张期峰值流速、加速度、减速度ROC曲线下面积分别为0.935、0.954、0.845。

Local hemodynamic parameters judge LAD , and RCA stenosis greater than 75 % , LAD diastolic peak flow velocity , acceleration , deceleration area under the ROC curve were 0.935,0.954, 0.845 .

左冠状动脉起源异常具有左房左室增大，右冠状动脉增宽，肺动脉内异常射流束等特征。

Anomalous origin of left coronary artery have such characteristic as LA LV enlarged , RCA incremented and anomalous blood flow in pulmonary artery .

结论多层螺旋CT是显示和测量右冠状动脉圆锥支的有效工具。

Conclusion There is a higher significance to detect and measure the right conus branch with multi-slice CT .

相关性分析显示心脏变时指数阳性与右冠状动脉病变的相关性更好（OR26.21，P＜0.01）。

A more closed relation was found between chronotropic index and stenosis in the right coronary artery ( OR 26.21 , p P < 0.01 ) .

结果多层螺旋CT可以清楚地显示右冠状动脉圆锥支的起点及走行，结合不同的方法可以对以上数据进行准确的测量。

Results The distribution and shape of the right conus branches could be detected by CT , and with different methods thus data above could be gotten precisely .

左冠状动脉通常在心动周期R波后70%相位窗上显示最好，右冠状动脉的最佳相位窗首选为70%相位窗，其次为40%相位窗。

Left coronary arteries were best visualized at 70 % image reconstruction window of the cardiac cycle and right coronary arteries at 70 % and 40 % image reconstruction window .

结果如下：结扎右冠状动脉后，20只动物的AH间期14只出现增加（A组），6只未出现增加（B组）。

Of 20 cats , 14 showed prolongation of AH interval ( Group A ), while not in 6 cats ( Group B ) after ligation of right coronary artery .

MDCT诊断右冠状动脉瘤2例

Two cases : MDCT diagnosis of right coronary aneurysm

JL指引导管用于右冠状动脉慢性闭塞硬病变介入治疗

JL guiding percutaneous intervention of right coronary chronic total occlusion

下壁心肌缺血预测右冠状动脉（RCA）病变的诊断符合率为62.5%；

The tally rate between inferior myocardial ischemia and focus of right coronary artery ( RCA ) was 62.5 % ;

有54只兔子（占67.5%）于结扎右冠状动脉后AA间期延长40ms以上。

The AA intervals also increased by at least 40 ms in 54 rabbits ( 67.5 % ) .

结果：急性下壁心肌梗死患者多有右冠状动脉（RCA）病变（88.6%），多数（66.7%）患者有两支以上病变。

RESULTS : The right coronary artery ( RCA ) lesion existed in most inferior wall acute myocardial infarctions ( 88.6 % ) .

方法观察34例经冠状动脉造影确诊为左冠状动脉狭窄而右冠状动脉无病变的冠心病患者，注射造影剂前后QRS时间和额面电轴的变化。

Methods QRS duration and frontal plane QRS axis were measured before and after injection of contrast medium in 34 patients with left coronary artery disease identified by coronary angiography .

结论：川崎病早期冠状动脉IBS增大，左、右冠状动脉IBS大于38是川崎病的早期预告因子。

Conclusion : The IBS of coronary arteries are increase in the patients with Kawasaki disease . IBS of left and right coronary arteries above 38 are the early predictive factor of KD .

目的：探讨单纯右冠状动脉（RCA）狭窄不同狭窄程度和狭窄节段对左心室功能的影响。

AIM : To assess the impact of the severity and location of right coronary artery ( RCA ) lesions on the left ventricular function in patients with isolated RCA stenosis .

结论右冠状动脉慢性闭塞硬病变介入治疗JL/AL指引导管法优于桡动脉和股动脉JR指引导管法，并发症发生率没有增加。

CONCLUSION The percutaneous coronary intervention of right coronary chronic total occlusion with JL / AL catheter by radial is superior to that with JR catheter by radial femoral artery .

结果90例中，IRA为右冠状动脉（RCA）者70例，为左回旋支（LCX者）20例；

Result : There were 70 patients whose IRA were right coronary artery ( RCA ) and 20 patients whose IRA were left circumflex artery ( LCX ) among the 90 patients .

方法2003年1月至2005年7月右冠状动脉慢性闭塞行PCI者305例，分别采用桡动脉JR，AL/JL导管法和股动脉JR/AL导管法PCI。

METHODS From January of 2003 to July of 2005 , PCI was conducted with JR or JL / AL guiding by radial or JR / AL by femoral approach in . 305 cases with right coronary chronic total occlusion .

TDE显示冠状动脉扩张10例，其中左冠状动脉7支（21%），右冠状动脉6支（18%）。

TDE showed that 10 patients had 13 dilated coronary arteries , including 7 ( 21 % ) left coronary arteries and 6 ( 18 % ) right coronary arteries .

方法采用TTDE探查51例冠心病患者冠状动脉左前降支（LAD）远端及右冠状动脉后降支（PDA）血流，并与冠状动脉造影比较。

Methods In51 patients with coronary heart disease , left anterior descending ( LAD ) and right coronary post descending artery ( PDA ) flow were evaluated by TTDE , and compared with coronary angiography .

目的评价经胸彩色多普勒超声心动图（TTDE）检测冠状动脉前降支（LAD）和右冠状动脉后降支（PDA）血流储备和开放程度的可行性。

Objective To assess the feasibility of evaluation of CFR for LAD and right coronary artery ( RCA ) as well as diagnostic accuracy for patency of each vessel by transthoracic Doppler echocardiography ( TTDE ) .

方法8例冠心病患者，经冠状动脉造影证实4例为前降支（LAD）近端狭窄，4例为右冠状动脉（RCA）中段或近端狭窄。

Methods Eight patients with coronary artery disease were confirmed by coronary arteriography , 4 cases of which were proximal stenosis of left anterior branch ( LAD ), 4 cases middle piece or proximal stenosis of right coronary artery ( RCA ) .

结论急性下壁心肌梗死I和AVL导联呈镜像改变是判断梗死相关动脉为右冠状动脉的较敏感指标，尤以AVL导联更敏感。

Conclusion " Minor " changes in lead I and AVL is a sensitive sign to identify right coronary artery associated inferior wall acute myocardial infarction being infarction related artery , and lead AVL is a even sensitive sign .

先天性冠状动脉瘘（CCAF）17例起源于右冠状动脉者14例，起源于左冠状动脉者3例。

In this group of 17 patients with congenital coronary artery fistula ( CCAF ), right CCAF occurred in 14 patients and left CCAF in the remaining 3 patients .

结果I，AVL导联出现镜像改变对判断急性下壁心肌梗死梗死相关动脉为右冠状动脉的敏感性分别为63.0%和94.5%（P<0.05），特异性分别为76.9%和61.5%（P<0.05）。

Results " Minor " changes in lead I and AVL indicates right coronary artery associated inferior wall acute myocardial infarction with a sensitivity of 63.0 % and 94.5 % ( P < 0.05 ), and specificity of 76.9 % and 61.5 % ( P < 0.05 ) .

罕见右冠状动脉左室瘘1例

One case : rare left ventricular fistula of right coronal artery

彩超诊断右冠状动脉异常起源于肺动脉1例

Right coronary artery abnormally originating from pulmonary artery : Case report

先天性右冠状动脉右室瘘1例

Congenital right coronary artery fistula to right ventricle : case report

在3个月后做冠状动脉摄影追踪，显示通畅的右冠状动脉。

The follow-up coronary angiogram 3 months later showed patent RCA .

右冠状动脉毛细血管瘤并静脉瘘1例

Right coronary capillary hemangioma and venous fistula : one case