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作 者:梁波[1] 王艳霞[1] 王美君[1] 孙晶[2] 吕文静[2] 隋百萍[2]
机构地区:[1]齐齐哈尔医学院第二附属医院心内科,黑龙江省161006 [2]齐齐哈尔医学院临床医学系2004级
出 处:《中国心血管病研究》2009年第2期122-124,共3页Chinese Journal of Cardiovascular Research
摘 要:目的探讨生理性起搏器在缓慢型心律失常中的临床疗效与安全性。方法共85例患者,起搏器包括双腔起搏器DDD[心房+心室(起搏心腔);心房+心室(感知心腔);双重(1抑制+T触发)(感知后反应方式)]60例,双腔起搏器VDD[心室(起搏心腔);心房+心室(感知心腔);双重(1抑制+T触发)(感知后反应方式)]3例,双腔起搏器VVIR[心房+心室(起搏心腔);心房+心室(感知心腔)十(1抑制)(感知后反应方式);R频率调整(程控功能)]22例。结果85例患者均手术成功,术中测得心室起搏阈值为(0.42±0.13)V/0.5ms,阻抗(560±130)Ω,R波振幅(9.8±2.2)mV;右心房起搏阈值为(0.89±0.27)V/0.5ms,阻抗(670±180)Ω,P波振幅(2.8±1.2)mV,P波感知灵敏度(0.48±0.3)mV。A—V间期程控在140-160ms,频率适应参数程控为反应时间和恢复时间取中档值,增益取低档值,下限频率程控为60-70次/min,上限频率程控于110-130次/min,感知阈值取中档,频率适应档次取4~5。随访4-50个月,所有患者的生活质量明显提高,无起搏器并发症发生。结论生理性起搏可产生较好的血液动力学效应,改善心功能,提高运动耐量,对有适应证的起搏器患者应首先推荐使用各类生理性起搏器。Objective To evaluate the clinical effect of physiological pacing in bradyarrhythmias.Methods 885 patients were planted with physiological pacemaker, including 60 cases with DDD, 3 cases with VDD, 22 cases with VVIR and 1 case with three chamber biatrial pacemaker. The electrode leads were positioned through subclavian vein. Results The pacing threshold of right ventrieular leads were (0.42±0.13)V,the resistence were (560±130)Ω and the amplitude of R wave were (9.8±2.2)mV.The pacing threshold of right atrial leads were (0.89± 0.27)V, the resistance were (670±180)Ω, the amplitude of P wave were (2.8+1.2)mV.The AV intervals of dual chamber pacemakers were programmed from 140-160 ms. The rate-adaptive parameters were set at middle value. There were no complications. Conclusion Physiological pacing may improve the hemodynamic conditions and can be applied safely to patients with hradyarrhythmias.
分 类 号:R541.7[医药卫生—心血管疾病]
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