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	In vivo characterization of attachment safety between cardiac pacing lead and canine heart muscle
	Zhang, Xiangming ; Niu, Guodong ; Ma, Nianke ; Fan, Hualin ; Yong, Zhao ; Wei, Yang
	2010-05-10 ; 2010-05-10
关键词	biomechanics pacing in vivo myocardium attachment safety Materials Science, Multidisciplinary Mechanics
中文摘要	In vivo experiments of screwing the electrode of canine hearts and assigning external excitation on the lead-myocardium interface was carried out to evaluate the lead/myocardium adherence safety. The electrode is specially designed to host a measurement unit of strain gauges. We obtained the lead/heart interactions data from 12 dogs under natural heart beating and beating with external excitations. The data recorded from the acute phase and the chronic phase of pulling out pacing leads were compared with each other. The electrode/heart interaction is caused by the heart beat and influenced by the lung breath. This process induced tolerable damage to the lead or myocardium. The interaction decreases as the frequency of external excitations increases. The lead is more likely to be detached from myocardium under higher excitation frequency. At the same implanting sites, safer pacing lead/myocardium attachment can be realized in the chronic tests than in the acute tests.
语种	英语 ; 英语
出版者	SPRINGER HEIDELBERG ; HEIDELBERG ; TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/23783]
专题	清华大学
推荐引用方式 GB/T 7714	Zhang, Xiangming,Niu, Guodong,Ma, Nianke,et al. In vivo characterization of attachment safety between cardiac pacing lead and canine heart muscle[J],2010, 2010.
APA	Zhang, Xiangming,Niu, Guodong,Ma, Nianke,Fan, Hualin,Yong, Zhao,&Wei, Yang.(2010).In vivo characterization of attachment safety between cardiac pacing lead and canine heart muscle..
MLA	Zhang, Xiangming,et al."In vivo characterization of attachment safety between cardiac pacing lead and canine heart muscle".(2010).

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