TCTAP A-032 Safety and Efficacy of Rotational Atherectomy with Large Burrs
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a comparison of teachers and supervisors, with respect to teacher efficacy and reflection
supervisors play an undeniable role in training teachers, before starting their professional experience by preparing them, at the initial years of their teaching by checking their work within the proper framework, and later on during their teaching by assessing their progress. but surprisingly, exploring their attributes, professional demands, and qualifications has remained a neglected theme i...
15 صفحه اولNovel Use of the GuideLiner Catheter to Deliver Rotational Atherectomy Burrs in Tortuous Vessels
Rotational atherectomy (RA) for heavily calcified lesions is essential for improved stent delivery and stent expansion. In tortuous vessels it is often difficult to advance the burr without rotation and possible injury to the endothelium of healthy vessel. The GuideLiner catheter, a child in mother catheter, has recently been used to allow for increased support for delivery of stents through to...
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As we known, drug-eluting stents (DES) reduce the risk of restenosis and represent an important advance in coronary intervention. Newer-generation DES with thin struts releasing limus-family drugs from durable or biodegradable polymers have further improved clinical outcomes, as compared with early-generation DES releasing sirolimus or paclitaxel. The risk of stent thrombosis has become exceedi...
متن کاملRotational atherectomy: Technical update.
Percutaneous coronary intervention is currently the most common form of revascularization for symptomatic coronary artery disease. In elderly, diabetic and renal patients, there is an increased prevalence of calcified coronary disease. Rotational atherectomy (RA) can be useful in the treatment of these lesions. Plaque removal was initially proposed as an alternative to balloon angioplasty, henc...
متن کاملEfficacy and safety of coronary balloon angioplasty and directional atherectomy.
In this issue of Circulation, Safian et all describe their experience with directional coronary atherectomy. The procedure was successful in removing 88% of lesions, and only one of 67 patients required emergency coronary bypass surgery. However, according to life-table analysis, 30% of the lesions restenosed in the ensuing 6 months. Thus, coronary atherectomy appears to be effective and safe i...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2018
ISSN: 0735-1097
DOI: 10.1016/j.jacc.2018.03.071