乳头肌

应用细胞内微电极技术，观察了胍基丁胺（agmatine，AGM）对豚鼠乳头肌细胞的电生理效应。

The cardiac electrophysiological effects of agmatine ( AGM ) were examined in guinea pig papillary muscle using intracellular microelectrode technique .

米利酮对豚鼠心乳头肌及主动脉条的作用

Effects of Milrinone one Guinea Pigs Papillary Muscle and Aorta Strip

银杏内酯A、B对豚鼠乳头肌细胞的电生理效应

The Electrophysiological Effect of Ginkgolide A 、 B on the Papillary Muscle of Guinea pig

目的观察甘露醇对羟自由基（·OH）所致兔乳头肌损伤的保护作用。

To study effect of mannitol on hydroxide radical in rabbit papillary muscle .

PE在兔心室乳头肌上表现出的正性变力作用比在豚鼠心室肌上显著得多。

The positive inotropic effects of PE on rabbit papil-lary muscles were much stronger than those on guinea pig papillary muscles .

观察乳头肌的最大张力（PT）及其微分（+dT/dt）的变化。

The peak tension ( PT ) of papillary muscle , as well as its + dT / dt were observed .

目的：县市级医院推广应用内镜下乳头肌切开（EST）取石治疗胆总管结石。

Objective : EST in management of common bile duct stones should been popularized and applied in hospital in county .

本文采用微电极技术，在离体豚鼠乳头肌上，就P－Nif对乳头肌细胞跨膜动作电位离子流的影响进行了观察。

In this experiment we observed the effects of P-Nif on action potential of isolated papillary muscles in guinea pigs by microelectrode technique .

目的：研究机械牵张对模拟缺血状态下体外豚鼠乳头肌动作电位（AP）的影响。

Objective : To investigate the effects of stretch under simulated ischemic conditions on action potential of isolated papillary muscles of guinea pig hearts .

结论在模拟缺血-再灌注条件下，APC乳头肌对机械牵张的耐受性增强；

Conclusion Under simulated ischemia and reperfusion conditions , the tolerance of APC isolated papillary muscles to mechanical stretch was increased .

结果①TFC使乳头肌的收缩力和收缩速率均减弱。

RESULTS ① TFC decreased both the contractility and contraction rate of papillary muscles .

结果：左室前壁损伤范围大于左室乳头肌、主动脉瓣和二尖瓣环下以及右侧房室交界区（P＜0.05）；

Results : The lesion dimensions of anterior wall of left ventricle was larger than that of musculi papillaris sinister , tissues under mitral and aortic annulus , right side of atrioventricular ( AV ) junction ( p < 0 . 05 ) ;

结论在模拟缺血-再灌流条件下，IPC乳头肌对机械牵张的耐受性增强，可能具有抗心律失常效应；

Conclusion Under simulated ischemia and reperfusion conditions , the IPC myocardium was more tolerant to stretch than that of the non-IPC , and IPC might have antiarrhythmic effect .

方法将TFC作用于豚鼠右心室乳头肌，测定离体豚鼠右心室乳头肌的变化。

METHODS The effects of TFC on contractility were investigated through acting on the guinea pig right ventricle papillary muscles .

IL2引起乳头肌心肌细胞空间常数和时间常数增加，细胞内阻降低。

IL 2 increased the membrane space and time constants , and decreased internal longitudinal resistance .

用细胞内微电极技术观察了马钱子碱（brucine）对离体豚鼠乳头肌高K＋除极异丙肾上腺素（Iso）和组织胺（His）诱发的慢反应动作电位（SAP）的影响。

The effects of Brucine were studied on the slow action potentials induced by isoprenaline and histamine in high K + depolarized guinea pig papillary muscles by means of conventional glass microelectrodes .

用固定频率起搏的离体豚鼠心乳头肌标本，研究了RTX对心肌膜电位及收缩力的影响。

The effect of rhomotoxin on the transmembrane potential and contractile force was studied in isolated guinea pig papillary muscles .

目的：观察环维黄杨星D（CVBD）对豚鼠离体右心耳、乳头肌的作用。

AIM : To observe the effects of cyclovirobuxine-D ( CVB-D ) on isolated guinea pig right atria and papillary muscle .

研究丁咯地尔（BUF）对豚鼠乳头肌快反应动作电位（AP）的影响。

Aim To study the effects of Buflomedil hydrochloride ( BUF ) on the fast action potential ( AP ) of isolated guinea pig papillary muscles .

目的：研究维司力农结构改造物FPA对豚鼠心室乳头肌动作电位的影。

Objective : To investigate the effect of the derivative of vesnarinone ( FPA ) on the intracellular potential of isolated guinea pig ventricular papillary muscle .

结论（1）BUF对豚鼠乳头肌Ca2+、Na+通道有阻滞作用；

Conclusions ( 1 ) BUF inhibit Ca2 + , Na + channels of guinea pig papillary muscles .

目的回顾性研究逆行性胰胆管造影（ERCP）结合乳头肌切开术（EPT）对胆囊切除术后综合征（PCS）的诊治价值。

Objective To evaluate the value of endoscopic retrograde cholangiopancreatography ( ERCP ) and endoscopic papillotomy ( EPT ) in diagnosis and management of post-cholecystectomy syndrome ( PCS ) .

丹参在最大有效浓度（0.25mg/ml）时，可使正常豚鼠乳头肌快反应动作电位的APD缩短，而对RP、APA、Vmax基本无影响。

RSM ( 0.25mg / ml ) significantly shortened APD of normal action potential , with no effects on RP , APA and Vmax .

用14条羊手术法损伤左心二尖瓣腱索乳头肌制成急性二尖瓣关闭不全（AMR）模型。

In this experiment we made an animal model of acute mitral regurgitation ( AMR ) by surgical injuring mitral chordae tendineae and papillary muscles in14 goats hearts .

探讨DMA对幼年大鼠心脏功能及乳头肌影响的可能作用机制。方法：采用Langendorff心脏灌流方法观察和比较DMA和AM分别对幼年及成年大鼠离体心脏功能的影响；

METHODS : With Langendorff perfusion , we observed DMA and AM induced changes of the indexes reflecting cardiac function in immature rat hearts and compared with mature rat hearts .

离体实验，发现SPD能抑制豚鼠乳头肌的收缩性，延长功能不应期，降低自律性，而对其兴奋性则无明显影响。

It inhibited the contractility , prolonged the functional refractory period and decreased the automaticity significantly of the isolated guinea pig papillary muscles , but no significant effect on excitability .

采集乳头肌水平短轴二维灰阶动态图，应用2DS测量各节段心肌径向Vs、S、Sr，对比正常与梗死节段心肌测值。

The regional radial Vs , S and Sr were measured by 2DS from papillary level short-axis view and the values of the infarcted segments were compared with non-infarcted segments .

DMA和NCX激动剂异丙肾上腺素（Iso）增强正常大鼠离体心功能和对左心室乳头肌的正性肌力作用具有相似性。

The effects of DMA and Isoprenaline ( Iso ) on cardiac function in normal rat isolated hearts and myocardium inotropism in normal rat isolated papillary muscle of left ventricle are similar .

但无侧支循环患者乳头肌功能失调、室壁瘤的发生率较高（P<0.01），左室射血分数低，QTc离散度增加。

Patients of noncoronary collateral circulation had high incidence of dysfunction of papillary muscle and aneurysm ventricular , left ventricular ejection was decreased and QTc dispersion was increased .

结果提示，Dip能预防，减少或延迟Iso引起的豚鼠乳头肌EAD和TA。

It is suggested that Dip attenuate or postpone the occurrence of Iso induced EADs and TA in guinea pig papillary muscles , and thus produce its preventive effect on the occurrence of EADs and TA .