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Efficacy of Postdeployment Balloon Dilatation for Current Generation Stents as Assessed by Intravascular Ultrasound

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Author(s)
Seung-Ho HurKatsuhiro KitamuraYoshihiro MorinoYasuhiro HondaMichael JonesKenneth S. KorrBernard Reen IIIChristopher J. CooperGary S. NiessLeonard ChristieWoodrow CoreyJohn MessengerPaul G. YockFrank CumminsPeter J. Fitzgerald
Keimyung Author(s)
Hur, Seung Ho
Department
Dept. of Internal Medicine (내과학)
Journal Title
American Journal of Cardiology
Issued Date
2001
Volume
88
Issue
10
Abstract
Adjunctive balloon dilatation strategy has been shown
to improve optimal stent deployment. As improvements
in current stent designs evolve, less adjunctive balloon
dilatation may be needed. However, few data currently
exist to support this practice. We evaluated 88 native
coronary lesions treated with single stent implantation
(Nir, Tristar or S670). Serial intravascular ultrasound
was performed after successful stent deployment and
again after adjunctive balloon dilatation. To investigate
further the precise expansion characteristics of the
stents, serial volumetric intravascular ultrasound analyses
were performed in 40 patients with automated pullback.
After adjunctive balloon dilatation, minimal stent
area increased significantly, from 6.4 2.1 to 7.4
2.2 mm2 (p <0.001). Volumetric analysis showed a
corresponding increase in stent volume index (6.6 1.8
to 7.5 2.0 mm3/mm, p <0.001). In the analysis of
cross sections at 0.5-mm axial intervals, the percentage
of cross sections, where stent area was >80% of the
average reference lumen area, increased from 51% to
78% (p <0.001). Similarly, the percentage of cross sections,
where stent area was >90% of the average reference
lumen area, increased from 29% to 56% (p
<0.001) with postdilatation. Postdeployment highpressure
balloon dilatation improved minimal stent area
and volumetric expansion throughout the stented
segment. 2001 by Excerpta Medica, Inc.
(Am J Cardiol 2001;88:1114–1119)
Keimyung Author(s)(Kor)
허승호
Publisher
School of Medicine
Citation
Seung-Ho Hur et al. (2001). Efficacy of Postdeployment Balloon Dilatation for Current Generation Stents as Assessed by Intravascular Ultrasound. American Journal of Cardiology, 88(10), 1114–1119. doi: 10.1016/S0002-9149(01)02044-6
Type
Article
ISSN
0002-9149
Source
https://linkinghub.elsevier.com/retrieve/pii/S0002914901020446
DOI
10.1016/S0002-9149(01)02044-6
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/34920
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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