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Randomized Comparison of Final Kissing Balloon Dilatation Versus No Final Kissing Balloon Dilatation in Patients With Coronary Bifurcation Lesions Treated With Main Vessel Stenting: The nordic-baltic bifurcation study III
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2011 (English)In: Circulation, ISSN 0009-7322, E-ISSN 1524-4539, Vol. 123, no 1, 79-86 p.Article in journal (Refereed) Published
Abstract [en]

Background-It is unknown whether the preferred 1-stent bifurcation stenting approach with stenting of the main vessel (MV) and optional side branch stenting using drug-eluting stents should be finalized by a kissing balloon dilatation (FKBD). Therefore, we compared strategies of MV stenting with and without FKBD. Methods and Results-We randomized 477 patients with a bifurcation lesion to FKBD (n=238) or no FKBD (n=239) after MV stenting. The primary end point was major adverse cardiac events: cardiac death, non-procedure-related index lesion myocardial infarction, target lesion revascularization, or stent thrombosis within 6 months. The 6-month major adverse cardiac event rates were 2.1% and 2.5% (P=1.00) in the FKBD and no-FKBD groups, respectively. Procedure and fluoroscopy times were longer and more contrast media was needed in the FKBD group than in the no-FKBD group. Three hundred twenty-six patients had a quantitative coronary assessment. At 8 months, the rate of binary (re) stenosis in the entire bifurcation lesion (MV and side branch) was 11.0% versus 17.3% (P=0.11), in the MV was 3.1% versus 2.5% (P=0.68), and in the side branch was 7.9% versus 15.4% (P=0.039) in the FKBD versus no-FKBD groups, respectively. In patients with true bifurcation lesions, the side branch restenosis rate was 7.6% versus 20.0% (P=0.024) in the FKBD and no-FKBD groups, respectively. Conclusions-MV stenting strategies with and without FKBD were associated with similar clinical outcomes. FKBD reduced angiographic side branch (re) stenosis, especially in patients with true bifurcation lesions. The simple no-FKBD procedures resulted in reduced use of contrast media and shorter procedure and fluoroscopy times. Long-term data on stent thrombosis are needed. Clinical Trial Registration-URL: http://clinicaltrials.gov. Unique identifier: NCT00914199. (Circulation. 2011;123:79-86.)

Place, publisher, year, edition, pages
2011. Vol. 123, no 1, 79-86 p.
Keyword [en]
angioplasty, balloon, coronary disease, drug-eluting stents, bifurcation
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-146888DOI: 10.1161/CIRCULATIONAHA.110.966879ISI: 000285827900016PubMedID: 21173348OAI: oai:DiVA.org:uu-146888DiVA: diva2:399241
Available from: 2011-02-21 Created: 2011-02-21 Last updated: 2011-04-15Bibliographically approved

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