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halo catheter
相关语句
  halo导管
     The Clinical Value of Conduction Block of Slow Conduction Area in Radiofrequency Ablation of Atrial Flutter: Utility of Halo Catheter in One Case
     慢传导带传导阻滞作为心房扑动消融终点的意义(附Halo导管应用一例报告)
短句来源
     Successful experience on ablation of right lateral atrioventricular accessory pathway by radiofrequency current with aid of Halo catheter
     Halo导管在射频消融右侧房室旁路中的应用
短句来源
     Objective To summarize the successful experience on ablation of right lateral atrioventricular accessory pathway (AP) by radiofrequency current with aid of Halo catheter.
     目的 总结 8例射频消融失败或复发的右侧游离壁房室旁路病例 ,应用 Halo导管再次消融成功的经验。
短句来源
     The earliest V wave could be recorded in 2 cases with Halo catheter,while the earliest A wave could be recorded in 6 cases. Near the site of the earliest V or A wave at the Halo catheter,large tip catheter could locate the acurrate target site of AP.
     Halo导管电极记录最早 V波者 2例 ,最早 A波者 6例 ,大头电极在 H alo导管电极提示最早 A波的电极对的部位均可记录到与之提前度相同或更为提前的成功靶点图。
短句来源
     Conclusion With aid of Halo catheter,the successful rate of ablating right lateral atrioventricular AP was improved,and the recurrent rate and mapping time were reduced.
     结论 在右侧旁路的复发和失败病例的消融过程中 ,放置 H alo导管 ,能够提高成功率 ,减少复发 ,节省标测时间。
短句来源
  “halo catheter”译为未确定词的双语例句
     The time of ablating procedure and X ray exposure was quite similar to those without using a Halo catheter.
     手术时间及 X线曝光时间与对照组比较差异不显著。
短句来源
     Methods Radiofrequency ablation was performed in 10 patients with typical atrial flutter. Electrograms were recorded around the tricuspid annulus using a duodecapolar halo catheter and the distal electrode of halo catheter positioned just near the ablation line. The electrogram polarity of the distal electrode pair (H potential) was analyzed during atrial flutter and during coronary sinus pacing before and after ablation.
     方法 对 10例典型房扑患者 ,沿三尖瓣环放置Halo电极 ,Halo远端紧邻峡部消融线 ,房扑发作中消融在房扑终止后行冠状窦起搏 ,窦性心律下消融则同时行冠状窦电极起搏 ,观察紧邻消融线低右房侧的心房电极电图起始部分的主波方向 (H电位 )的极性表现 ,并与最终双向阻滞评价结果比较。
短句来源
  相似匹配句对
     The approach to radiofrequency ablation of typical atrial flutter without HALO electrode catheter
     探索不用Halo电极射频消融治疗典型心房扑动的方法
短句来源
     Approach to radiofrequency ablation of typical atrial flutter without HALO electrode catheter
     探索不用Halo电极射频消融治疗典型心房扑动的方法
短句来源
     Glorious Historical Halo
     西部名城厚重的历史光环
短句来源
     V catheter group (group B).
     B组54例(56周期),使用一次性静脉留置针套管做人工授精管。
短句来源
     The Description of Neutron Halo
     中子晕核的研究
短句来源
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  halo catheter
Traces are those of a duodecapolar halo catheter, a catheter within the cavotricuspid isthmus and a decapolar coronary sinus catheter.
      
In each panel the first four upper electrograms are recorded from the halo catheter and show a descending wavefront.
      
Electrode pairs of the halo catheter are labeled E1 to E9.
      
Conduction evaluated with the Halo catheter showed bi-directional complete block in these 29 patients.
      
Complete block was confirmed by the atrial activation sequence in the halo catheter and by a change to negative initial polarity of E1 and E2.
      
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Halo catheter mapping together with coronary sinus and His bundle electrograms are useful to demonstrate slow conduction area of reentrant circuit during atrial flutter and to identify conduction block of slow conduction area after linear radiofrequency ablation of inferior rena cava tricuspid valve annulus isthmus.One patient with type I atrial flutter was successfully ablated by utilizing conduction block of isthmus as a procedural endpoint.Her tachycardia had not recurred during the 1 months follow...

Halo catheter mapping together with coronary sinus and His bundle electrograms are useful to demonstrate slow conduction area of reentrant circuit during atrial flutter and to identify conduction block of slow conduction area after linear radiofrequency ablation of inferior rena cava tricuspid valve annulus isthmus.One patient with type I atrial flutter was successfully ablated by utilizing conduction block of isthmus as a procedural endpoint.Her tachycardia had not recurred during the 1 months follow up.Since Halo catheter could provide a global right atrial activation sequence during pacing.Its electrodes can record from a point very close to the area of block.This offers a good specificity of confirmation of isthmus conduction block which may decrease th recurrence rate of atrial flutter.

应用Halo导管标测技术,结合冠状静脉窦与希氏束电图识别心房扑动折返环的慢传导带,在下腔静脉口到三尖瓣环峡部作射频线性消融,并以慢传导带出现双向阻滞作为心房扑动消融成功的标志,治疗了1例I型心房扑动患者。随访1个月心动过速未发。由于Halo导管能在右房内全面记录右房激动顺序,便于了解峡部的传导情况,在心房扑动消融中有助于明确其诱发与终止的机制,并为慢传导带传导阻滞作为成功消融终点提供了可靠的手段。

Objective To summarize the successful experience on ablation of right lateral atrioventricular accessory pathway (AP) by radiofrequency current with aid of Halo catheter. Methods Eight patients including 2 recurrent and 6 unsuccessful cases were treated.In electrophysiologic study,Halo catheter was placed around the tricuspid annulus to roughly judge the location of AP according to intracardiac electrogram recorded from it,the target site was accurately mapped with the large tip catheter....

Objective To summarize the successful experience on ablation of right lateral atrioventricular accessory pathway (AP) by radiofrequency current with aid of Halo catheter. Methods Eight patients including 2 recurrent and 6 unsuccessful cases were treated.In electrophysiologic study,Halo catheter was placed around the tricuspid annulus to roughly judge the location of AP according to intracardiac electrogram recorded from it,the target site was accurately mapped with the large tip catheter. Results Nine right lateral atrioventricular AP in eight cases were successfully ablated.The earliest V wave could be recorded in 2 cases with Halo catheter,while the earliest A wave could be recorded in 6 cases.Near the site of the earliest V or A wave at the Halo catheter,large tip catheter could locate the acurrate target site of AP.The time of ablating procedure and X ray exposure was quite similar to those without using a Halo catheter. Conclusion With aid of Halo catheter,the successful rate of ablating right lateral atrioventricular AP was improved,and the recurrent rate and mapping time were reduced.

目的 总结 8例射频消融失败或复发的右侧游离壁房室旁路病例 ,应用 Halo导管再次消融成功的经验。 方法  8例患者 ,2例为复发病例 ,6例为失败病例。电生理检查时根据 Halo导管电极 (环绕在三尖瓣环的心房侧 )在窦性心律和心室 S1 S1 刺激时记录的心内电图初步判定旁路位置 ,然后用大头电极标测消融。 结果 共 9条旁路 (双旁路 1例 ,单旁路 7例 )全部消融成功。Halo导管电极记录最早 V波者 2例 ,最早 A波者 6例 ,大头电极在 H alo导管电极提示最早 A波的电极对的部位均可记录到与之提前度相同或更为提前的成功靶点图。手术时间及 X线曝光时间与对照组比较差异不显著。 结论 在右侧旁路的复发和失败病例的消融过程中 ,放置 H alo导管 ,能够提高成功率 ,减少复发 ,节省标测时间。

Objective To estimate whether a change in the polarity of low atrial electrograms recorded near the ablation line is an accurate indicator of complete isthmus block in the radiofrequency ablation of typical atrial flutter. Methods Radiofrequency ablation was performed in 10 patients with typical atrial flutter. Electrograms were recorded around the tricuspid annulus using a duodecapolar halo catheter and the distal electrode of halo catheter positioned just near the ablation line. The electrogram...

Objective To estimate whether a change in the polarity of low atrial electrograms recorded near the ablation line is an accurate indicator of complete isthmus block in the radiofrequency ablation of typical atrial flutter. Methods Radiofrequency ablation was performed in 10 patients with typical atrial flutter. Electrograms were recorded around the tricuspid annulus using a duodecapolar halo catheter and the distal electrode of halo catheter positioned just near the ablation line. The electrogram polarity of the distal electrode pair (H potential) was analyzed during atrial flutter and during coronary sinus pacing before and after ablation. Results Radiofrequency ablation was performed during coronary sinus pacing in 8 patients and performed during atrial flutter in 2 patients. Complete isthmus block was achieved in all patients. Before ablation, the initial polarity of H potential was predominantly positive during coronary sinus pacing and predominantly negative during atrial flutter. After complete isthmus block was achieved, the initial polarity of H potential was predominantly negative during coronary sinus pacing in all the patients. Conclusion The change of the electrogram polarity recorded just near the ablation line during coronary sinus pacing after ablation of typical atrial flutter is a simple, quick and accurate indicator of complete isthmus block.

目的 在典型心房扑动 (房扑 )射频消融中观察临近峡部的低位右房心内电图极性改变 ,来迅速判断是否形成峡部双向阻滞。方法 对 10例典型房扑患者 ,沿三尖瓣环放置Halo电极 ,Halo远端紧邻峡部消融线 ,房扑发作中消融在房扑终止后行冠状窦起搏 ,窦性心律下消融则同时行冠状窦电极起搏 ,观察紧邻消融线低右房侧的心房电极电图起始部分的主波方向 (H电位 )的极性表现 ,并与最终双向阻滞评价结果比较。结果  8例在窦性心律下行冠状窦电极起搏时消融 ,2例在房扑发作中消融。 10例患者最终消融结果均为双向阻滞。 2例房扑发作时H电位极性均为负向 ,8例窦性心律下H电位极性均为正向 ,峡部缓慢传导时该极性仍为正向 ,形成双向阻滞后H电位极性变为负向。结论 典型心房扑动行峡部线性消融时 ,行冠状窦起搏观察到紧邻峡部消融线低右房侧H电位的极性改变可能是峡部消融成功的新指标。该指标简单、快速、可靠性高。

 
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