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- W4214586703 abstract "The objective of this study was to evaluate the potential benefit of stepwise intravascular ultrasound (IVUS)-guided coronary stent deployment compared to angiographic stent implantation with final IVUS assessment only. Acute procedural success and 6-month angiographic follow-up were compared in both groups. Intravascular ultrasound was performed using a 20- or 30-MHz mechanically rotated catheter in 85 patients who were prospectively randomized to group A (n = 42; IVUS-guided) and group B (n = 43; angiography + final IVUS assessment). There was no difference in the number of stents implanted (1.5 ± 0.9 stents/lesion in group A and 1.3 ± 0.6 stents/lesion in group B), the duration of the procedure, or the amount of contrast medium used. Defined criteria of optimal stent deployment (stent apposition, stent symmetry, complete coverage of dissections, >90% in-stent lumen area/reference lumen area) were achieved in 54.2% in group A and 56.6% in group B (NS). Angiographic follow-up was 87.1% at 6 ± 2 months, and clinical follow-up was 100% at 8 ± 1 months. There was no significant difference in restenosis rate (33.3% vs. 34.9%) applying a binary >50% diameter stenosis criterion for both groups. There was no significant difference in minimal in-stent lumen area at both baseline (7.91 ± 2.64 mm2 vs. 7.76 ± 2.21 mm2) and follow-up (5.84 ± 2 mm2 vs. 5.52 ± 1.87 mm2). With regard to immediate procedural lumen gain and rate of restenosis, multiple IVUS examinations during the procedure showed no advantage compared to final IVUS assessment only. Cathet. Cardiovasc. Intervent. 46:135–141, 1999. © 1999 Wiley-Liss, Inc." @default.
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- W4214586703 date "1999-02-01" @default.
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- W4214586703 title "Stepwise intravascular ultrasound (IVUS) guidance of high‐pressure coronary stenting does not result in an improved acute or long‐term outcome: A randomized comparison to “final‐look” IVUS assessment" @default.
- W4214586703 doi "https://doi.org/10.1002/(sici)1522-726x(199902)46:2<135::aid-ccd4>3.3.co;2-6" @default.
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