DANPACE:丹麦多中心随机试验——病态窦房结综合征单腔心房起搏与双腔起搏的比较

2010-09-09 MedSci原创 MedSci原创

    背景:对于病态窦房结综合征(SSS)患者,任何一款起搏器均可治疗其心动过缓。右心室起搏可能产生有害作用,但还不清楚心房单腔频率适应性起搏(AAIR)是否优于双腔频率适应性起搏(DDDR)。    方法:顺序入选QRS宽度正常、不伴房室阻滞的SSS患者作为研究对象,行起搏器植入术。随机分为AAIR或DDDR,术后3个月起每年随访一次

    背景:对于病态窦房结综合征(SSS)患者,任何一款起搏器均可治疗其心动过缓。右心室起搏可能产生有害作用,但还不清楚心房单腔频率适应性起搏(AAIR)是否优于双腔频率适应性起搏(DDDR)。
    方法:顺序入选QRS宽度正常、不伴房室阻滞的SSS患者作为研究对象,行起搏器植入术。随机分为AAIR或DDDR,术后3个月起每年随访一次,共随访10年。
    结果:共入选1,415例SSS患者(年龄73.0±11.3 岁, 64.5%女性),AAIR组707例,DDDR组708例,平均随访5.4±2.6年(1.2~10.5年)。96.1%患者按随机化分配治疗,其中 AAIR组93.4%,DDDR组98.9%,无患者失访。AAIR组和DDDR组的全因死亡率分别为29.6% (209/707)和27.3% (193/708),DDDR组危险比为[0.94 (0.77-1.14), p=0.53]。DDDR组阵发性房颤发生率低于AAIR组,危险比为[0.79 (0.64-0.97), p=0.024],即使校正相关基线差异后两组阵发性房颤发生率也有显著差别。两组慢性房颤、卒中、心衰的发生率无差别。DDDR组随访期间再次进行手术的患者明显少于AAIR组,危险比[0.50 (0.39-0.66), p<0.001]。
    结论:SSS患者应用AAIR或DDDR起搏,其全因死亡率无差异。SSS患者宜优先选择DDDR起搏模式,可减少房颤发生和再次手术。

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    2011-03-08 shanyongle
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