房室结

自体诱导后的BMSCs能在房室结区较好的生长。

Autologous BMSCs after induction growed well in atrioventricular node .

LDH的活性则为短时间内迅速上升。从后向前，房室结各部的SDH、LDH的染色逐渐增强。

From the back to front part in atrioventricular node area , the coloration of SDH and LDH gradually increased .

结果：窦房结和房室结内的细胞主要为P细胞和T细胞。

Results : The SAN and AVN chiefly consisted of P cells and T cells .

大鼠房室结各部P细胞的比较

Comparative study for P cell in different parts of the atrioventricular node ( avn ) in rat heart

抗心律失常药UK－68798对家兔心脏房室结区不同细胞的电生理作用

Electrophysiological effects of antiarrhythmic drug UK-68798 on different AV nodal cells in rabbit heart

房室结可明确区分出四种细胞：P细胞、T细胞、浦氏细胞及普通心肌细胞。

The AVN composed of four types cells , P cell , T cell , Purkinje cell and normal cardiac working cell .

结论小鼠房室结的P细胞和T细胞随年龄的增长而增大，老年期接近乳期大小。

Conclusion P cells and T cells are enlargement in size with aged and return to size of baby mouse in old period .

结果：小鼠房室结位于中心纤维体前下方，房室隔右侧的心内膜下，主要由P细胞和T细胞构成。

Results : The mouse AV node was located antreior-inferior to central fibrous body , under the endocardium of AV septum . It consisted mainly of P and T cells .

AH间期及房室结顺传文氏周期延长（P＜0.01）。

There were significant increases in AH interval and the Wenckebach cycle length of atrioventricular node in anterograde direction ( p < 0 01 ) .

房室结内折返伴有前向传导延缓的旁观者副束所致宽QRS性心动过速

Wide QRS Tachycardia Due to AV Nodal Reentry with A Bystander Slow Conduction AV Accessory Pathway

目的用健康兔做在体心房室结缺血再灌注损伤模型，观察房室结缺血再灌注损伤的超微结构变化及BCL-2基因蛋白表达。

Objective The animal models of rabbit ischemia-reperfusion atrioventricular node were used to study the changes of ultrastructure and expression of BCL-2 protein .

心房、房室结及心室相对不应期、功能不应期及有效不应期（ERP）延长。

The relative refractory period , functional refractory period and effective refractory period ( ERP ) of right atrial , atrioventricular node and right ventricle were increased .

目的：探讨大鼠心脏房室结（AVN）各部P细胞的细胞学和体视学的特征。

Objective : To study the cytological and stereological features of P cell in the different parts of the AVN in rat heart .

小影像Koch三角及其房室结射频消融应注意的问题

The Cautions of Radiofrequency Current Ablation of Atrioventricular Node for Patients With Small Imaging Koch Triangle

测量房室结各部组化反应的平均灰度值。结果：房室结区各部SDH、LDH的染色均比普通心肌弱。

Results : Compared with myocardial , the levels of SDH and LDH in atrioventricular node area in model group and control group were lower .

目的：研究窦性心律时静脉注射三磷酸腺苷（ATP）或腺苷诱发房室结双径路现象的最小有效剂量。

Objective : To study the minimal effective doses of intravenous ATP and adenosine required to induce dual atrioventricular nodal pathways ( DAVNP ) during sinus rhythm .

采用两种方法对142例房室结折返性心动过速（AVNRT）患者进行房室结改良。

Atrioventricular nodal modifications were performed in142 patients with atrioventricular nodal reentrant tachycardia ( AVNRT ) .

房室结双径路、间隔旁道及左侧旁道HF较术前有显著性下降（P<0.05）。

There was significant decrease in HF in AVNRT ( atrioventricular node reentry tachycardia ) group , septum and left accessory pathway group ( P < 0.05 ) .

AVN显示细胞减少伴纤维化。3例患者房室结功能曲线呈连续性；

Atrioventricular Node , AVN ; Three patients has continuous atrioventricular nodal function curve .

消融后房室结双径传导消失，不再诱发AVNRT为手术终点。

The end point of the approach was to eliminate AVNRT and dual atrioventricular node pathway conduction .

部分房室结折返性心动过速（AVNRT）患者的房室结传导曲线呈平滑状态。

Some patients with atrioventricular nodal reentrant tachycardia ( AVNRT ) manifest smooth av node function curves .

经导管射频消融术（RFCA）治疗3例房室结折返性心动过速（AVNRT）患者。

Three patients with atrioventricular nodal reentrant tachycardia ( AVNRT ) were ablated by radiofrequency current ( RFCA ) .

方法采用房室结常规石蜡切片，HE、Vangieson、Masson染色和HPIAS1000高清晰度彩色图文分析系统进行图像分析。

Methods Paraffin section , HE ? Van Gieson , Masson staining and HPIAS 1000 High resolution color figure analysis system were used .

目的探讨慢径消融后房室结折返性心动过速（AVNRT）复发机制。

Objective To investigate the mechanism of atrioventricular nodal reentrant tachycardia ( AVNRT ) recurrence after the slow pathway ablation .

目的评价心房颤动（房颤）伴长RR间期患者电复律后房室结功能，探讨房颤伴二度房室阻滞的诊断标准。

Objective To assess the atrioventricular node ( AVN ) function in patients with atrial fibrillation ( AF ) associated with long RR interval after cardioversion .

Ⅰ、Genistein对家兔房室结细胞的电生理影响Ⅱ、辣椒素对心肌细胞电生理的影响和机制

ⅰ . Electrophysiological Effects of Phytoestrogen Genistein on Spontaneous Activity of Rabbit Atrioventricular Node Cells ⅱ . Effects of Capsaicin on Electrophysiology of Cardiomyocytes and Underlying Mechanism

房室结快经路消融时要避免发生不可逆的Ⅲ°AVB；

Irreversible completed atrioventricular block must be avoided to occur in the ablation of the fast pathway in atrioventricular node .

目的：检测房室结折返性心动过速（ANRT）慢径路消融期间常见的结性心动过速的周长（CLJT），以探讨手术期问发生的CLJT与发生房室传导阻滞（AVB）的关系。

Objective : To investigate the relations between the cycle length of the junctional tachycardia and atrioventricular block during operation .

目的对34例房室结折返型心动过速（AVNRT）患者施行射频消融术（RFCA）。

Objective Radiofrequency catheter ablation ( RFCA ) was performed among 34 cases who suffered from atrioventricular nodal reentry tachycardia ( AVNRT ) .

7例房室结双径路（DAVNP）患者采用下位法消蚀，成功地阻断慢径路，不能诱发房室结折返性心动过速（AVNRT）。

Patients with atrioventricular nodal reentrant tachycardia ( AVNRT ) were successfully treated by slow pathway RFCA .