右心房

犬上腔静脉肌袖与右心房心肌If电流mRNA表达的研究

The I_f mRNA Expression in Cadiocytes of Canine Superior Vena Cava and Right Atrium

前言：目的研究自发性高血压大鼠（SHR）右心房的超微结构。

Objective : In order to study ultrastructure of right atrium in SHR .

右心房缘变平亦见于缩窄性心包炎。

Flattening of the right atrial border is also seen in constrictive pericarditis .

结果双极食管导联记录到的窦性P波由圆钝直立的右心房电位和尖锐高大的左心房电位组成。

Results Sinus P wave recorded by bipolar esophageal lead consisted of right atrial potential and left atrial potential .

右心房注射前列腺素E2对新生大鼠呼吸的影响

The Effect of Right Atrial Injection of PGE_2 on Respiration in Neonatal Rats

心脏复跳1分肺静脉血ET－1水平显著高于右心房血（P＜0.05）；

ET-1 level in pulmonary vein was significantly higher than that of right artrium at 1 min after heart beating ( p0.05 ) .

【目的】观察犬上腔静脉肌袖和右心房游离壁心肌细胞If电流mRNA的表达水平，从分子水平探讨其在生理状态和心律失常发生中的作用。

[ Objective ] To observe the expression of funny current ( I_f ) mRNA in cadiocytes of canine superior vena cava and right atrium .

测定两组围CPB期肺动态顺应性，左、右心房血中性粒细胞计数、肿瘤坏死因子（TNFα）含量等指标。

Lung dynamic compliance , blood neutrophils count and TNF - α from the right and left atrium were determined perioperatively .

A组16例经右心房/肺动脉切口，B组58例经右心室切口。结果围术期死亡3例，总死亡率4.05%。

There were 16 cases with transatrial / transpulmonary incision in group A verus 58 patients with transventricular incision in group B. Results There were 3 deaths ( overall mortality was 4.05 % ) .

测定各组围CPB期左、右心房血液中中性粒细胞计数，肿瘤坏死因子（TNF-α）和丙二醛（MDA）的含量。

Blood neutrophils count , TNF - α, MDA from the right and left atrium in the four groups were determined perioperatively .

目的：测量阵发性心房颤动（atrialfibrillation，AF）患者右心房不同部位的f波振幅，探讨在AF律状态下起搏器心房电极固定位置的选择和植入的可行性。

Objective : To measure the amplitude of right atrial f-wave and evaluate the feasibility of atrial lead implantation dur - ing atrial fibrillation .

CRT组施行右心房双心室或单纯双心室起搏并动态随访、优化起搏参数，同时两组患者皆给予正规的抗心力衰竭药物治疗。

Biventricular pacing or biventricular and right atrial pacing was performed and pacing parameters were optimized individually in CRT group .

在右心房（RA）、冠状静脉窦（CS）和右心室（RV）放置多极导管。

Multipolar catheters were placed into right atria ( RA ), coronary sinus ( CS ) and right ventricle ( RV ) .

方法取SHR大鼠的右心房作透射电镜观察，分析心肌细胞的超微结构。

Methods : The transmission electron microscopy was used to study the ultrastructure of the cardiac myocytes in right atrium .

结论：Mel对离体豚鼠左心房收缩具双向作用，对右心房具正性频率作用。

CONCLUSION : Mel possesses a biphasic effect on left atria and a positive chronotropic effect on right atria .

方法39例患者，在经食管超声心动图（TEE）的监测下，经右心房和肺动脉径路行法洛四联症矫治术。

Methods Under the guide of transesophageal echocardiography ( TEE ), 39 cases underwent transatrial and pulmonary repair of tetralogy of Fallot .

结果发现法乐氏四联症（F4）组患者右心房（RA）舒张压与下腔静脉（IVC）血中ANF浓度呈正相关；

The results showed that the ANF levels in IVC in the patients with Fallot 4 was positively correlated with diastolic pressure of RA .

连续监测心率和血压并在预处理前和再灌注后3h经右心房采血检测肌酸磷酸激酶（CK）和丙二醛（MDA）。

HR and BP were monitored during the experiments . Serum CK and MDA were determined before ischemic or drug preconditioning ( baseline ) and 3h after reperfusion .

结扎10min，再灌注30min后取右心房血标本，监测NO含量（比色法）。组织血氧含量无创监测技术及仪器的研究

A Research of Noninvasive Monitoring Technology and Device on Tissue Blood Oxygen Content

右心房与下腔静脉或门静脉系旁路分流术治疗Budd-Chiari综合征

Bypass shunt between right atrium and inferior vena cava or / and portal vein system in the treatment of Budd-Chiari syndrome

右心房心肌中HSP60及HSP70的表达在慢性心房颤动的发生和发展中起重要作用。

The expression of HSP60 and HSP70 may play a important role in chronic atrial fibrillation .

TTE检查ASA均膨入右心房，ASD最大直径10～27（17.4±6.5）mm。

ASAs were all convexed into right atrial . The largest diameter of ASD was from 10 to 27 ( average , 17.4 ± 6.5 ) mm .

12h后两下肺静脉与左、右心房相比不应期变化不明显（P>0.05）。

12 hours later the difference was not significant as compared inferior pulmonary veins with left , right atrial ( P > 0.05 ) .

CARTO指导下射频消融低位环右心房逆钟向折返不典型心房扑动

CARTO Guiding Radio Ablation for Counterclockwise Right Atrial Lower Loop Reentry Atypical Atrial Flutter

方法：测定Pro大鼠和正常鼠左心室乳头状肌和右心房收缩力和心率。

METHODS : The positive inotropic and chronotropic effects mediated by α 1A and α 1B subtypes were determined on isolated left ventricular papillary muscles and right atrium in Pro - and NaCl-treated rats .

通过颈静脉&右心房插管技术建立了大鼠血糖自动调节模型，葡萄糖注入大鼠形成短暂高血糖前后，取其骨骼肌进行mRNA差异显示分析。

We build autonomous model of blood glucose regulation of SD rat through jugular vein right atrium intubation and glucose stimulation . After blood glucose stimulation , the skeletal muscle was separated and applied to mRNA differential display .

结果表明：SAN主要位于右心房界沟上半部后方的心房壁内，几乎占据心房壁厚度的全部，介于心内、外膜之间。

The results show that the sinoatrial node is located in the right atrial wall , posterior to the upper half of terminal sulcus , and occupies all the thickness of the wall between epicardium and endocardium .

xc-1能降低离体大鼠右心房的自发频率。

Xc-1 could reduce spontaneous frequency of isolated right auricle of rats .

3例术前有典型心房扑动（AFL）发作，行右心房峡部消融实现双向阻滞。

And all of 3 cases of typical atrial flutter ( AFL ) underwent isthmus ablation of right atrium and revealed bi-directional block .

目的探讨不用Halo电极消融典型心房扑动（AF）的方法和右心房峡部传导时间间期的意义。

Objective : To describe the approach to radiofrequency ablation of typical Atrial flutter ( AFL ) without Halo electrode catheter and the significance of the time conducting through the inferior cava-tricuspid isthmus .