Download Coronary Stents by H. J. C. Swan (auth.), Ulrich Sigwart M.D., FACC, FESC, PDF
By H. J. C. Swan (auth.), Ulrich Sigwart M.D., FACC, FESC, George I. Frank M.D. (eds.)
Over the prior 15 years, a mess of recent transluminal concepts were constructed, all designed to develop the diversity of symptoms and enhance the result of angioplasty. between those, the implantation of intravascular stents has emerged because the process with the best promise. It has turn into transparent that stenting not just effectively offers with the matter of abrupt closure after angioplasty, but additionally reduces the occurrence of restenosis, the Achilles heel of angioplasty. explanation why restenosis is decreased might be as the speedy achieve of luminal diameter is bigger with stenting than with the other method. whether the past due lack of diameter is the same between so much presently used transluminal ideas, the result will stilI be larger after stenting end result of the approximately perfect basic impact. The goals of this booklet are twofold: first it offers a state of the art precis of the growth made in stenting thus far, and secondly it information many of the clients for destiny development. the idea that of stenting has proved to be an accurate one, and for this reason alI destiny efforts wilI be directed in the direction of new, secure, and biologicalIy "friendly" stents.
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Example text
Radiolucency of the stent remains a problem which may prevent accurate delivery and placement of the stent. Several new metals are being experimented with that will enhance the ability of the operator to see the device during placement. The results of a balloon expandable stent made of tantalum have been previously reported [16]. Conclusions Despite the absence of randomized controlled studies, this initial report of coronary stenting provides some insight into exciting new technology that may have a great impact on PTCA in the future.
One patient from Greece has verbally reported no complications. The European multicenter experience with self-expanding mesh stents for abrupt occlusion comprises 56 patients in whom 63 devices were implanted in 57 sites from March 1986 to December 1989. Eleven cases (20%) were complicated by in-hospital stent thrombosis, but 5 of these were successfully recanalized using balloon angioplasty, thrombolytic treatment, or a combination of both. There were 7 cases of myocardial infarction (13%) and 2 patients died (4%).
SIGWART cedure. Late stent restenosis rates are encouraging, but the data is confounded by the early rates of thrombotic complications. It's unclear what effect might be achieved on late restenosis rates if the high rates of early thrombotic complications could be avoided, or substantially decreased. Moreover, the potential for thrombotic complications and restenosis limits the applicability of stents. We believe that coronary stents are one of the most promising developments in the field of interventional cardiology.