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septal ablation
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  消融术
     Methods 27 patients with HOCM underwent percutaneous septal ablation from February 2001 to December 2003.The ECGs before and after procedure and 24 hours ambulatory monitoring up to one year were analyzed.
     方法对2001年3月至2003年12月辽宁省人民医院收治的辽东地区经超声诊断并符合酒精消融术标准的HOCM患者27例。 男性15例,女性12例;
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  “septal ablation”译为未确定词的双语例句
     Effect of Simple Linear Septal Ablation on Eliminating Experimental Atrial Fibrillation in Dogs (Abstract)
     心房间隔单线消融防治实验性犬心房颤动的研究(摘要)
短句来源
     Effect of Simple Linear Septal Ablation on Eliminating Experimental Atrial Fibrillation in Dogs
     房间隔单线消融防治犬实验性心房颤动的研究
短句来源
     Comparison of simple linear septal ablation to complicated maze ablation in eliminating sustained atrial fibrillation in dogs
     房间隔单线消融与迷宫式多线消融防治实验性心房颤动的对比研究
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     Early onset and progression of left ventricular remodeling after alcohol septal ablation in hypertrophic obstructive cardiomyopathy
     肥厚梗阻性心肌病经酒精室间隔消融后左室重构的早期发生和进展
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     Sustained improvement in left ventricular diastolic function after alcohol septal ablation for hypertrophic obstructive cardiomyopathy
     肥厚型梗阻性心肌病患者室间隔乙醇消融后左室舒张功能的持续改善
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  相似匹配句对
     The experience in localization and ablation of septal accessory pathways
     间隔旁路定位及射频消蚀的体会
短句来源
     Radiofrequency Catheter Ablation of Septal Accessory Pathways(Abstract)
     间隔房室旁路的射频导管消融术治疗(摘要)
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     The endoscopic septal-plasty
     鼻内窥镜下鼻中隔成形术
短句来源
     ON THE RESEARCH OF ABLATION PATTERNS
     烧蚀图象研究概述
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     ABLATION MODEL OF EPDM
     EPDM的烧蚀模型
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  septal ablation
Habituation in the rabbit visual cortex during development and after septal ablation
      
Pharmacologic therapy remains the first-line therapy in the majority of patients, but alcohol septal ablation and surgical septal myectomy may be considered in many patients.
      
In patients with LV obstruction and severe symptoms unresponsive to medications, myectomy operation or alcohol septal ablation is indicated for relieving the gradient and improving quality of life.
      
Surgery is the gold standard, although in experienced hands and directed appropriately, septal ablation achieves good results.
      
Nonmedical therapy for obstructive disease consists of surgical myectomy, alcohol septal ablation, or dual-chamber pacing.
      
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To test the hypothesis that a simplified septal linear ablation could be effective on eliminating atrial fibrillation (AF),13 dogs underwent temperature controlled endocardial linear ablation across the thick septal portion in front of fossa ovalis (FO) at closed chest state.Sustained AF (>15 min) was induced using burst pacing during infusion of methacholine.Electrophysiologic parameters were recorded before and after ablation.For the thirteen dogs under spetal ablation,two dogs died during methacholine infusion...

To test the hypothesis that a simplified septal linear ablation could be effective on eliminating atrial fibrillation (AF),13 dogs underwent temperature controlled endocardial linear ablation across the thick septal portion in front of fossa ovalis (FO) at closed chest state.Sustained AF (>15 min) was induced using burst pacing during infusion of methacholine.Electrophysiologic parameters were recorded before and after ablation.For the thirteen dogs under spetal ablation,two dogs died during methacholine infusion prior to ablation.Sustained AF became noninducible after septal abalation in 8 dogs during infusion of methacholine of 3.0 μg/kg per minute.After septal ablation,one dog had sustained atrial flutter (>15 minutes) induced by burst atrial pacing and no atrial flutter occured after a lesion ablation between the tricuspid annulus and the inferior vena cava.Sustained AF was still inducible by infusion of methacholine of a high dose in 2 dogs.The atrial effective refractory period was prolonged only in FO (113±9 ms vs 67±7 ms, P <0.05).The results indicate that the septal ablation may eliminate AF mediated by vagal activity.It might also be useful for ablation of human AF with identical critical site at atrial septum.

为探讨房间隔单线消融治疗心房颤动 (AF)的可行性 ,选用 13只犬 ,在静脉滴注乙酰甲胆碱下 ,用心房快速起搏诱发持续性 AF(持续时间 >15 min)。经皮穿刺静脉 ,在 X线透视下用 7F温控 4极同步导管介导射频能量线性消融卵圆窝前方的宽厚房间隔。观察消融前、后 AF的诱发率及电生理参数变化。结果显示消融前所有犬均可诱发持续性 AF。消融前 2只犬死亡。间隔消融后 8只犬不再诱发 AF,1只犬诱发持续性心房扑动 (AFL) ,再消融三尖瓣环和下腔静脉间心肌后 AFL消失。另 2只仍可诱发 AF。消融后卵圆窝心房有效不应期 (ERP)较消融前延长(113± 9ms vs67± 7ms,P<0 .0 5 ) ,其余部位消融前后 ERP无显著性差异。结果初步提示房间隔单线消融能够防治实验性 AF的发生 ,对于临床上有相似特点的 AF消融房间隔可能有效。

Objective To test the hypothesis that a simplified septal linear ablation could be as effective as more complicated maze ablation in eliminating atrial fibrillation (AF). Methods Two groups of dogs were studied. Group Ⅰ ( n =13) underwent temperature controlled endocardial linear ablation across the thick septal portion in front of fossa ovalis (FO) at close chest state. Group Ⅱ ( n =6) underwent maze ablation by a stepwise approach along the left and right atria at an open chest state. Sustained AF (>15...

Objective To test the hypothesis that a simplified septal linear ablation could be as effective as more complicated maze ablation in eliminating atrial fibrillation (AF). Methods Two groups of dogs were studied. Group Ⅰ ( n =13) underwent temperature controlled endocardial linear ablation across the thick septal portion in front of fossa ovalis (FO) at close chest state. Group Ⅱ ( n =6) underwent maze ablation by a stepwise approach along the left and right atria at an open chest state. Sustained AF (>15 min) was induced by burst pacing during intravenous infusion of methacholine. Electrophysiological parameters were recorded before and after ablation.Results In group Ⅰ, two dogs died during methacholine infusion prior to ablation. Sustained AF became noninducible after septal ablation in 8 dogs during infusion of methacholine (3 0 μg·kg -1 ·min -1 ). After septal radiofrequency catheter ablation (RFCA), one dog had sustained atrial flutter (>15 minutes) induced by burst atrial pacing. No atrial flutter occured after a lesion between the tricuspid annulus and inferior vena cava was created. Sustained AF was still inducible by infusion of methacholine of a high dose in 2. In group Ⅱ, one dog died of ventricular fibrillation during the open chest procedure. Left sided ablation along pulmonary vein orifices did not inhibit the induction of sustained AF in 5, while RFCA lesions located at right atria succeeded in two dogs. Furthermore, only one dog could be induced sustained AF after applying RFCA lesion at the region of Bachmann branch. No difference in success rate was found between maze and septal ablation. The atrial effective refractory period was prolonged ( P< 0 05) at all tested sites in group Ⅱ and only at FO in group Ⅰ. Conclusions The septal ablation has similar effect as atrial maze ablation to eliminate AF mediated by vagal activity. It may also be useful for ablation of human AF with identical critical site at atrial septum.

目的 比较房间隔单线消融与心房迷宫式多线消融防治心房颤动 (AF)的效果。方法选用闭胸 (Ⅰ组 ) 13只和开胸 (Ⅱ组 ) 6只犬 ,在静脉滴注乙酰甲胆碱下用心房快速起搏诱发持续性AF(>15min)。Ⅰ组犬经皮穿刺静脉 ,在X线透视下用 7F温控四极同步消融导管介导射频能量消融卵圆窝前方的宽厚房间隔。Ⅱ组在开胸直视下由心外膜逐步消融左、右肺静脉口、左心耳根部、腔静脉间心肌束、右心耳根部、上腔静脉至三尖瓣环间前侧心肌及Bachmann(BB)束。观察消融前后AF的诱发率及电生理参数。结果 两组犬消融前均可诱发持续性AF。Ⅰ组消融前 2只犬死亡 ;消融后 8只犬不再诱发AF ;1只犬诱发持续性房扑 ,经消融三尖瓣环和下腔静脉间心肌后房扑消失 ;有 2只犬仍能诱发出AF。Ⅱ组消融前 1只犬死亡 ,5只犬消融左、右肺静脉口后仍可诱发AF ,完成右心房消融后2只犬不再诱发AF ,3只犬均可再诱发AF ,再消融BB束后有 2只犬不能诱发AF。两组AF消融成功率差异无显著性 (P >0 0 5 )。消融后Ⅰ组的卵圆窝和Ⅱ组左、右房测量部位的心房有效不应期较消融前延长 (P <0 0 5 )。结论 房间隔单线消融与迷...

目的 比较房间隔单线消融与心房迷宫式多线消融防治心房颤动 (AF)的效果。方法选用闭胸 (Ⅰ组 ) 13只和开胸 (Ⅱ组 ) 6只犬 ,在静脉滴注乙酰甲胆碱下用心房快速起搏诱发持续性AF(>15min)。Ⅰ组犬经皮穿刺静脉 ,在X线透视下用 7F温控四极同步消融导管介导射频能量消融卵圆窝前方的宽厚房间隔。Ⅱ组在开胸直视下由心外膜逐步消融左、右肺静脉口、左心耳根部、腔静脉间心肌束、右心耳根部、上腔静脉至三尖瓣环间前侧心肌及Bachmann(BB)束。观察消融前后AF的诱发率及电生理参数。结果 两组犬消融前均可诱发持续性AF。Ⅰ组消融前 2只犬死亡 ;消融后 8只犬不再诱发AF ;1只犬诱发持续性房扑 ,经消融三尖瓣环和下腔静脉间心肌后房扑消失 ;有 2只犬仍能诱发出AF。Ⅱ组消融前 1只犬死亡 ,5只犬消融左、右肺静脉口后仍可诱发AF ,完成右心房消融后2只犬不再诱发AF ,3只犬均可再诱发AF ,再消融BB束后有 2只犬不能诱发AF。两组AF消融成功率差异无显著性 (P >0 0 5 )。消融后Ⅰ组的卵圆窝和Ⅱ组左、右房测量部位的心房有效不应期较消融前延长 (P <0 0 5 )。结论 房间隔单线消融与迷宫式多线消融防治实验性AF的效果相似 ,对于临床上有相似特点的AF消融房间隔可能有效。

Objective To discuss whether the therapy of alcohol septal ablation can reduce the serious ventri cular arrhythmias and sudden death by observing the change of QT,QTc dispersion and heart function in patients with hypertrophic obstructive cardiomyopathy(HOCM)before and after the procedure of alcohol ablation on ventri cular septum.Methods 27 patients with HOCM underwent percutaneous septal ablation from February 2001 to December 2003.The ECGs before and after procedure and 24 hours ambulatory...

Objective To discuss whether the therapy of alcohol septal ablation can reduce the serious ventri cular arrhythmias and sudden death by observing the change of QT,QTc dispersion and heart function in patients with hypertrophic obstructive cardiomyopathy(HOCM)before and after the procedure of alcohol ablation on ventri cular septum.Methods 27 patients with HOCM underwent percutaneous septal ablation from February 2001 to December 2003.The ECGs before and after procedure and 24 hours ambulatory monitoring up to one year were analyzed.ECG data were related to left ventri cular outflow tract pressure gradients(LVOTG).The heart function before and after the procedure was evaluated by the standard of New York Heart Association with one year follow-up.Results Acute reduction of the mean LVOTG was achieved from(72.8±24.6)mmHg to(24.3±17.6)mmHg(P<0.001).There was significant but transient prolongation of QT-mean and QTc-mean intervals(P<0.05).QT dispersion(QTd),QTc dispersion(QTcd),and JT,JTc,JTd,JTcd were not affected.Either before or after the procedure no serious ventricular arrhythmias were recorded during holter monitoring,but ventricular premature was recorded in one patient after 6 months.Total patients showed clinical improvement to NYHA-class 1.6±0.7 after 1 week,1.5±0.8 after 6 months,and 1.7±0.6 after 1 year respectively(P<0.001,each).Two patients became normal after six months.Conclusion Alcohol septal ablation for HOCM does not affect QTd,QTcd while the heart function and clinical symptoms have improved.Therefore,alcohol septal ablation probably does not reduce the occurrence of serious ventricular arrhythmias and sudden death.

目的观察酒精消融室间隔(PTSMA)治疗肥厚型梗阻性心肌病(HOCM)术前、术后及远期QTd、QTcd及心功能变化,探讨其是否影响HOCM患者恶性心律失常及心脏性猝死。方法对2001年3月至2003年12月辽宁省人民医院收治的辽东地区经超声诊断并符合酒精消融术标准的HOCM患者27例。男性15例,女性12例;年龄(47±12)岁;NYHA分级3.1±0.9。利用S igwart法行酒精消融室间隔术(经皮经腔间隔心肌消融术,PTSMA)。术前,术后1周、6月、12月作12导联体表静息心电图。术中及术后连续心电监护48~72 h,分别测定QTd,并根据Bazett公式校正为QTcd。结果术前平均左室压力阶差(LVOTG)为(72.4±24.6)mm Hg,术中球囊加压后为(30.6±18.5)mm Hg,术后为(24.3±17.6)mm Hg,差异均有显著性(P<0.001)。术中心电监测,无严重室性心律失常发生。术后所有病人主观症状减轻,随访期间1例患者于6月后出现新发室早,无室速及室颤。27例患者中,5例由于通信地址迁移随访失败。QTd(QTcd)术前,术后1周、6月、12月分别为71±33(73±35)m ...

目的观察酒精消融室间隔(PTSMA)治疗肥厚型梗阻性心肌病(HOCM)术前、术后及远期QTd、QTcd及心功能变化,探讨其是否影响HOCM患者恶性心律失常及心脏性猝死。方法对2001年3月至2003年12月辽宁省人民医院收治的辽东地区经超声诊断并符合酒精消融术标准的HOCM患者27例。男性15例,女性12例;年龄(47±12)岁;NYHA分级3.1±0.9。利用S igwart法行酒精消融室间隔术(经皮经腔间隔心肌消融术,PTSMA)。术前,术后1周、6月、12月作12导联体表静息心电图。术中及术后连续心电监护48~72 h,分别测定QTd,并根据Bazett公式校正为QTcd。结果术前平均左室压力阶差(LVOTG)为(72.4±24.6)mm Hg,术中球囊加压后为(30.6±18.5)mm Hg,术后为(24.3±17.6)mm Hg,差异均有显著性(P<0.001)。术中心电监测,无严重室性心律失常发生。术后所有病人主观症状减轻,随访期间1例患者于6月后出现新发室早,无室速及室颤。27例患者中,5例由于通信地址迁移随访失败。QTd(QTcd)术前,术后1周、6月、12月分别为71±33(73±35)m s,74±18(72±17)m s,68±31(81±38)m s,69±29(74±32)m s,比较不同时期QTd与QTcd,无统计学意义(P>0.05),QT(QTc)术前、术后1周分别为433±22(439±32)m s,475±23(470±23)m s,术前与术后比较有显著性差异(P<0.01)。术前、术后1周心功能分级分别为3.1±0.9、1.6±0.7,随访6月、12月分别为1.5±0.8、1.7±0.6,术前与术后不同时期比较有显著性差异,其中2例6个月后心功能恢复正常。JT、JTc、JTd、JTcd术前与术后各时期比较无显著性差异。结论PTSMA改善HOCM患者心功能及临床症状,QTd、QTcd无显著性变化,可能对恶性心律失常及预后没有影响。

 
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