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Objective Because of the severe consequences of an atrial esophageal fistula,it is vital to avoid this complication. The most safe way is to avoid ablating the segment of esophagus behind left atrium (LA). What we do is to image the relationship of esophagus to posterior LA wall and real-time esophageal tem-perature monitoring to ablate the posterior LA wall. Methods Sixty-four patients with paroxysmal atrial fibrilla-tion (PAF) were enrolled to pulmonary veins (PV) isolation. Swallowing a radiocontrast agent at the same time when imaging of LA to observe the relationship of esophagus to posterior LA wall and according to the different relationship between the segment of esophagus behind LA and PV, the esophagus were divided into type Ⅰ , type Ⅱ and type Ⅲ. A esophageal temperature probe was inserted and advanced into the esophagus directly posterior to the LA. Three steps ablation strategy and real-time esophageal temperature monitoring were applied to guide the PV isolation. The procedure was interrupted when the esophageal temperature was 39℃ until] the tempera-ture renormalized and ended when PV were isolated. Results There were 48 type ⅠI , 11 type Ⅱ and 5 type Ⅲ esophagus in the 64 patients. After three steps ablation,all PV isolations were completed. Only 18.8% of the patients needed to ablate the posterior LA close to the esophagus. Conclusion Only one PV ostiolum close to the posterior LA wall in most PAF patients and many of them can achieve complete PV isolation without ablating the posterior LA close to esophagus which could minimize the risk of esophageal injury dramatically. 相似文献
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心房颤动伴Ⅲ度房室传导阻滞患者,接受VVI型人工心脏起搏器置入术后出现心力衰竭。在保留原起搏器及导线的情况下,新置入2根电极导线分别至右事,及左室侧后静脉,与DDD起搏器心室及心房接口连接,行右室双部位双室同步起搏,临床疗效可。 相似文献
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本文运用心电学、电生理学及相关学科知识,结合笔者多年临床经验,介绍了心律失常心电图或疑难心电图的一些重要的分析方法,如借助不应期、折返、递减传导的概念理解心律失常、利用除极向量鉴别室速、采用数学方法分析心律失常等。掌握和运用这些方法对分析理解心电图、提高疑难心电图诊断水平很有帮助。 相似文献
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目的:探讨首次心脏事件为急性心肌梗死(AMI)表现的冠心病患者的危险因素。方法:选取1999年1月1日-2002 年12月30日248例住院患者,116例是以急性心肌梗死为首次心脏事件的表现,列为AMI组,另外132例有心绞痛病史,经冠脉造影检查,确诊为冠心病,且无心肌梗死,列为冠心病对照组(CHD);通过Logistic回归的方法处理性别、血压、吸烟、尿酸、家族史、年龄、空腹血糖、甘油三酯、总胆固醇、高密度脂蛋白胆固醇、低密度脂蛋白胆固醇等11个参数。结果:性别、血压、空腹血糖、甘油三酯在两组间有显著差异(P<0.01),急性心肌梗死组明显高于对照组。结论:男性,高血压的冠心病患者其首次心脏事件为急性心肌梗死的危险性较一般冠心病者显著增高。 相似文献
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目的探讨脂蛋白-a致冠心病的条件.方法分析了2002年5月~2003年8月在本院心内科住院且接受了冠脉造影检查的病人,将符合条件的132例病人分成冠心病组(78例)与正常对照组(54例),并采集这两组的性别、年龄、脂蛋白-a、血压、吸烟、尿酸、家族史、血糖、血脂等参数作为分析对象.结果高血压、脂蛋白-a在两组间有显著性差异,冠心病组高于对照组(P<0.05),比数比(OR)值分别为1.432和1.003,95%可信区间(95%CI)分别为(1.064,2.102)和(1.000,1.007).结论血管内膜在脂蛋白-a致冠心病方面有关键的作用. 相似文献
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Objective Because of the severe consequences of an atrial esophageal fistula,it is vital to avoid this complication. The most safe way is to avoid ablating the segment of esophagus behind left atrium (LA). What we do is to image the relationship of esophagus to posterior LA wall and real-time esophageal tem-perature monitoring to ablate the posterior LA wall. Methods Sixty-four patients with paroxysmal atrial fibrilla-tion (PAF) were enrolled to pulmonary veins (PV) isolation. Swallowing a radiocontrast agent at the same time when imaging of LA to observe the relationship of esophagus to posterior LA wall and according to the different relationship between the segment of esophagus behind LA and PV, the esophagus were divided into type Ⅰ , type Ⅱ and type Ⅲ. A esophageal temperature probe was inserted and advanced into the esophagus directly posterior to the LA. Three steps ablation strategy and real-time esophageal temperature monitoring were applied to guide the PV isolation. The procedure was interrupted when the esophageal temperature was 39℃ until] the tempera-ture renormalized and ended when PV were isolated. Results There were 48 type ⅠI , 11 type Ⅱ and 5 type Ⅲ esophagus in the 64 patients. After three steps ablation,all PV isolations were completed. Only 18.8% of the patients needed to ablate the posterior LA close to the esophagus. Conclusion Only one PV ostiolum close to the posterior LA wall in most PAF patients and many of them can achieve complete PV isolation without ablating the posterior LA close to esophagus which could minimize the risk of esophageal injury dramatically. 相似文献
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中华医学会心电生理和起搏分会第六次学术双年会暨中华医学会心电生理和起搏分会成立十周年庆典于2004年8月5日至8日在桂林举行。国内外心电生理专家在会上作了精彩的报告。 相似文献
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Objective Because of the severe consequences of an atrial esophageal fistula,it is vital to avoid this complication. The most safe way is to avoid ablating the segment of esophagus behind left atrium (LA). What we do is to image the relationship of esophagus to posterior LA wall and real-time esophageal tem-perature monitoring to ablate the posterior LA wall. Methods Sixty-four patients with paroxysmal atrial fibrilla-tion (PAF) were enrolled to pulmonary veins (PV) isolation. Swallowing a radiocontrast agent at the same time when imaging of LA to observe the relationship of esophagus to posterior LA wall and according to the different relationship between the segment of esophagus behind LA and PV, the esophagus were divided into type Ⅰ , type Ⅱ and type Ⅲ. A esophageal temperature probe was inserted and advanced into the esophagus directly posterior to the LA. Three steps ablation strategy and real-time esophageal temperature monitoring were applied to guide the PV isolation. The procedure was interrupted when the esophageal temperature was 39℃ until] the tempera-ture renormalized and ended when PV were isolated. Results There were 48 type ⅠI , 11 type Ⅱ and 5 type Ⅲ esophagus in the 64 patients. After three steps ablation,all PV isolations were completed. Only 18.8% of the patients needed to ablate the posterior LA close to the esophagus. Conclusion Only one PV ostiolum close to the posterior LA wall in most PAF patients and many of them can achieve complete PV isolation without ablating the posterior LA close to esophagus which could minimize the risk of esophageal injury dramatically. 相似文献