Chronic rise in monophasic defibrillation thresholds with a transvenous lead system.
作者信息
Kirk M M, Shorofsky S R, Khalighi K, Kavesh N G, Peters R W, Gold M R
机构信息
Department of Medicine, University of Maryland Medical System, Baltimore, USA.
出版信息
Am J Cardiol. 1997 Feb 15;79(4):502-5. doi: 10.1016/s0002-9149(96)00795-3.
PMID:9052360
Abstract
This study was a prospective evaluation of chronic changes of defibrillation thresholds in 31 clinically stable patients with a single transvenous lead, optimal shock polarity, and uniform testing protocol. At a mean follow-up of 273 +/- 146 days, defibrillation thresholds increased 26%, from 13.2 +/- 5.6 J to 17.1 +/- 6:0 J (p < 0.001), and shock impedance increased from 46.2 +/- 7.0 omega to 51.2 +/- 6.2 omega (p < 0.001).
摘要
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