Titlebook: Coronary Stents; Ulrich Sigwart,George I. Frank Book 1992 Springer-Verlag Berlin Heidelberg 1992 Abrupt Occlusion.Coronary Angioplasty.Res

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Jagdeep Kaur,Dilip Shah,John Fellersnd lower profile balloons have lead to our ability to cross and dilate lesions unapproachable 10 years ago. But the overall success rates at 6 months are largely unchanged. Studies of restenosis continue to report 25%-40% recurrence rates and 3%-5% rates of abrupt closure persist [3, 4].

mucous-membrane

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angioplasty has seen a dramatic rise in popularity. In the USA alone, over 200000 coronary angioplasties will be performed in 1990 [3]. However, the success of PTCA has been limited by two major complications: acute vessel closure and late restenosis.

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improve the results of angioplasty. Among these, the implantation of intravascular stents has emerged as the technique with the greatest promise. It has become clear that stenting not only successfully deals with the problem of abrupt closure after angioplasty, but also reduces the incidence of res

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Biolistic Transformation of Wheatent discomfort [6], cost [7], and rates for returning to work [8]. The procedure has reached such a level of success that randomized studies comparing angioplasty to either bypass surgery or medical treatment are now, appropriately, underway [9].

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Toward a Pragmatic Theory of Disease,brupt closure, complicating about 5% of procedures, and restenosis, occurring in 25%-50% of patients depending upon the location, the type of occlusion, vessel involved, and the number of lesions dilated [1–5].

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Toward a Pragmatic Theory of Disease,by Roubin (1985) when intracoronary animal studies began. After investigating a range of metallic fibers, stainless steel with particular visco-elastic properties was chosen to make initial prototypes.

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