avn

Ohjective: To study the morphological aspects corresponding to the complex electrophysiological signs of dual ( multi)-pathway and reentry of the atrioventricular node ( AVN) area.

目的：为探讨心传导系房室结区双（多）径路传导、折返等复杂电生理的形态学基础。

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

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；

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

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。

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Analysis of Stress on Proximal End of Femora of Chinese After femoral head replacement operation Geometric study of proximal femur for the Chinese AVN population

国人股骨头置换术后股骨近端测试应力分析中国人股骨头缺血性坏死股骨近端的形态研究

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The AVN linked the atrial muscle in several routes.

房室结与心房肌之间有多条路径相连。

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Adult avascular necrosis ( AVN) is a kind of bone necrosis.

成人股骨头缺血性坏死（AVN）是骨坏死的一种。

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

结果: 窦房结和房室结内的细胞主要为P细胞和T细胞.

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Drilling Holes Treatment of Avascular Necrosis of Femoral Head ( AVN) through Hip Arthroscopy

髋关节镜下钻孔减压治疗早期股骨头无菌坏死的初步报告

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Geometric study of proximal femur for the Chinese AVN population

中国人股骨头缺血性坏死股骨近端的形态研究

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Results The AVN function was normal in sinus rhythm in 19 cases, and one patient had first degree atrioventricular block ( AVB).

结果除1例为一度房室阻滞外，其余19例房室结功能均正常。

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Conclusion CT examination is clinically valuable in diagnosis of the early and the late AVN.

结论CT检查对早期AVN及晚期AVN有一定临床诊断价值。

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From the posterior part to the anterior part of the AVN, the numerical density, the volume density, the surface density of P cells gradually increased.

AVN由后向前，P细胞的数密度、体积密度及表面积密度增加。

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The MRI Features of AVN of Femoral Head and Comparatively Study

股骨头无菌坏死MRI特征及与平片的对比研究

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The difference of P cells may serve as morphological basics for of the latent pacing and the conduction delay of AVN.

P细胞的差异及空间分布的不同可能与潜在起搏的部位及传导速度有关。

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Transient atrioventricular block was induced during slow pathway ablation in 3 patients with AVN double pathways.

3例房室结双径路患者消融慢径路时出现一过性房室阻滞。

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Conclusion: Through clinical research we regard that there are significant difference between conservative treatment and surgical treatment in the predilection sites about the AVN of femur head.

结论：经过临床研究分析，保守治疗后与DDH手术后出现头坏死在发病部位上存在差异。

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Methods: The sinuatrial node ( SAN) and the atrioventricular node ( AVN) were observed in 5 guinea pigs with a transmissive electron microscope.

方法：对5例豚鼠心脏的窦房结和房室结，进行透射电镜观察。

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Objective To assess the long term consequence of sino atrial nodal ( SAN) and atrio ventricular nodal ( AVN) functions after permanent AAI pacing.

目的了解心房按需起搏器（AAI）植入术后窦房结和房室传导功能的远期转归。

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

大鼠房室结各部P细胞的比较

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Objective To investigate ventriculoatrial conduction ( VAC) by dual or multiple atrioventricular nodal ( AVN) pathways and its special electrophysiological phenomena and mechanisms.

目的探讨房室结双径路或多径路室房传导及其伴发的特殊心电现象和发生机制。

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On the basis of these ultrastiuctural features, the function of AVN is discussed.

根据结内细胞的亚微结构特征，讨论了房室结的生理功能。

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Objective To explore a better therapy for adult vocal nodules ( AVN).

目的探寻治疗成人声带小结的理想方法。

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Conclusion: ① From the posterior part to the anterior part of AVN, P cells were in different developing states.

结论：①AVN由后向前，P细胞的分化逐渐成熟。

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The VA interval during tachycardia was significantly longer in group AP than in group AVN ( P < 0.001).

心动过速时VA间期旁道组明显长于房室结组，两者相比VASVT差异显著（P<0001）；

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Conclusion: Parasympathetic nerve activity is very important for the function of SAN and AVN. Esophageal cardiac electrophysiology and ambulatory ECG have great clinical significance in evaluating the SSS patients.

结论：迷走神经是影响窦房结、房室结功能的重要外源性因素，食管心电生理与24小时动态心电图对病态窦房结综合征的评估具有重要临床价值；

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Sotalol ( 1.6×10~ (-6 ) to 1.6×10~ (-4 ) M ) and meto-prolol ( 1.2×10~ (-7 ) to 1.2×10~ (-4 ) M ) had no effect on SAN , AVN , atrial and His-bun-dle cell APA and (? ) max .

Sot ( 1.6×10 ~ ( -6 ) — 1.6×10~ ( -4 ) M ) 对上述4种细胞的动作电位振幅和0相最大除极速度皆无影响.

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Objective: This paper was designed to analyze the effects of kinin free high molecular weight kininogen ( HKa) on cell spreading to altered vitronectin ( aVN).

目的：通过观察结构上改变的体外连接蛋白（aVN）底物上激活的高分子激肽原（HKa）对细胞伸展的影响，比较VN与aVN上HKa对细胞抑制活性。

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From the posterior part to the anterior part of the AVN, the nucleus dimension and the nucleocytoplasmic ratio of P cells gradually decreased.

AVN由后向前，P细胞的核逐渐变小，核浆比下降。

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

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。

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The collagen fibres in the AVN of guinea-pigs mainly include Type I and III.

豚鼠房室结内胶原纤维主要有I型和111型。随着年龄的增加，胶原纤维总量和比例增高以I型为主。

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