Abstract:
:Angioscopy has been shown to provide more detailed information on lesion morphology before and after interventional procedures than angiography. Therefore to evaluate the effects of laser angioplasty, angioscopy was performed in five patients with peripheral or coronary vascular disease who underwent excimer laser angioplasty. The excimer laser was operated at 308 nm, 135 nsec, 25 Hz, and 40 to 60 mjoules/mm2 and was coupled into multifiber wire-guided catheters of 1.4 to 2.0 mm diameter for coronary lesions and into catheters of 2.2 mm diameter for peripheral lesions. There were three coronary (one left anterior descending, one circumflex, one right coronary artery) and two peripheral (one common iliac artery, one superficial femoral artery) lesions. Angioscopy was successfully performed before and after laser ablation without any complications in all five lesions. The characteristics of angioscopic findings after excimer laser angioplasty consisted of flaps, fractures of plaques, and abundant tissue remnants. There was no apparent thermal injury. Recanalized channels were small and irregular. These results indicate that (1) angioscopy is effective and safe for evaluation of lesion morphology after laser angioplasty; (2) laser ablation does not result in thermal injury; and (3) irregular channels after recanalization and abundant tissue remnants may explain the suboptimal results after laser angioplasty.
journal_name
Am Heart Jjournal_title
American heart journalauthors
Nakamura F,Kvasnicka J,Uchida Y,Geschwind HJdoi
10.1016/0002-8703(92)90058-4subject
Has Abstractpub_date
1992-12-01 00:00:00pages
1467-72issue
6eissn
0002-8703issn
1097-6744pii
0002-8703(92)90058-4journal_volume
124pub_type
杂志文章abstract::We evaluated the long-term angiographic outcome of balloon angioplasty by comparing original and follow-up target coronary narrowing. Rather than using restenosis to determine outcome, as in most angioplasty studies, we took an unusual approach and analyzed outcome in terms that are commonly used in progression and re...
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pub_type: 杂志文章
doi:10.1016/s0002-8703(97)70153-4
更新日期:1997-05-01 00:00:00
abstract:BACKGROUND:Cardiac resynchronization therapy (CRT) improves symptoms, reduces heart failure (HF)-related hospitalizations, and reverses left ventricular remodeling in some patients with moderate to severe HF and ventricular dyssynchrony defined by a prolonged QRS duration. The effects of CRT on HF outcomes in patients ...
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更新日期:2009-10-01 00:00:00
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journal_title:American heart journal
pub_type: 临床试验,杂志文章
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更新日期:1991-01-01 00:00:00
abstract:BACKGROUND:Ideal cardiovascular health (ICH) aims at primordial prevention of cardiovascular diseases in the population. However, there is a lack of research describing ICH in youth from middle-income countries. The aims of this study were to describe the prevalence of ICH at 18 and 22-years old and to investigate the ...
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pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2017-07-01 00:00:00
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更新日期:2006-12-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章
doi:10.1016/j.ahj.2004.03.006
更新日期:2004-08-01 00:00:00
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journal_title:American heart journal
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journal_title:American heart journal
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doi:10.1016/j.ahj.2006.05.014
更新日期:2006-11-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章
doi:10.1016/0002-8703(94)90476-6
更新日期:1994-08-01 00:00:00
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pub_type: 杂志文章
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更新日期:1997-02-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2007-07-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2011-08-01 00:00:00
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pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2020-02-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章,评审
doi:10.1016/0002-8703(94)90097-3
更新日期:1994-04-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章
doi:10.1016/0002-8703(86)90141-9
更新日期:1986-02-01 00:00:00
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pub_type: 杂志文章,随机对照试验
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更新日期:2010-09-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章,多中心研究
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:1998-03-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章
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更新日期:1995-05-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章,随机对照试验
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更新日期:2009-11-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章
doi:10.1016/0002-8703(95)90212-0
更新日期:1995-11-01 00:00:00
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journal_title:American heart journal
pub_type: 临床试验,杂志文章,meta分析
doi:10.1067/mhj.2003.1
更新日期:2003-04-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章,meta分析
doi:10.1016/0002-8703(92)90664-h
更新日期:1992-02-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章
doi:10.1016/0002-8703(89)90741-2
更新日期:1989-03-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章
doi:10.1016/0002-8703(91)90475-w
更新日期:1991-10-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章
doi:10.1016/j.ahj.2004.04.032
更新日期:2004-10-01 00:00:00
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journal_title:American heart journal
pub_type: 杂志文章
doi:10.1016/0002-8703(88)90229-3
更新日期:1988-12-01 00:00:00