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Bifurcation Stenting

Abstract

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Three-Year Outcomes of the DKCRUSH-V Trial Comparing DK Crush With Provisional Stenting for Left Main Bifurcation Lesions Double kissing crush in left main coronary bifurcation lesions: A crushing blow to the rival stenting techniques Classic crush and DK crush stenting techniques Contemporary techniques in percutaneous coronary intervention for bifurcation lesions Impact of the complexity of bifurcation lesions treated with drug-eluting stents: the DEFINITION study (Definitions and impact of complEx biFurcation lesIons on clinical outcomes after percutaNeous coronary IntervenTIOn using drug-eluting steNts) Optimal Fluoroscopic Projections of Coronary Ostia and Bifurcations Defined by Computed Tomographic Coronary Angiography Treatment effects of systematic two-stent and provisional stenting techniques in patients with complex coronary bifurcation lesions: rationale and design of a prospective, randomised and multicentre DEFINITION II trial Culotte stenting vs. TAP stenting for treatment of de-novo coronary bifurcation lesions with the need for side-branch stenting: the Bifurcations Bad Krozingen (BBK) II angiographic trial
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Clinical Trial2018 Jan;29(1):30-38.

JOURNAL：Coron Artery Dis. Article Link

A randomized trial of bifurcation stenting technique in chronic total occlusions percutaneous coronary intervention

Baystrukov V, Kretov EI, Boukhris M et al. Keywords: mini-crush; T-provisional; bifurcation lesions

ABSTRACT

BACKGROUND - The optimal strategy to treat bifurcation lesions (BFLs) in a percutaneous coronary intervention (PCI) for chronic total occlusions (CTOs) remains unknown.


AIMS - We sought to assess whether T-provisional or mini-crush is appropriate for BFLs within CTO vessels.


PATIENTS AND METHODS - From January 2011 to December 2013, patients who underwent successful CTO guidewire crossing and with a BFL within the CTO target vessel were enrolled prospectively and assigned randomly to either T-provisional stenting or the mini-crush technique for BFL treatment. One-year clinical follow-up was performed. Major adverse cardiac and cerebrovascular events (MACCE) were defined as the composite of cardiovascular death, myocardial infarction, target vessel revascularization, and stroke.


RESULTS - The prevalence of BFLs was 54.3%. A total of 146 patients with BFLs within CTO vessel were enrolled prospectively and assigned randomly to either T-provisional stenting (N=73) or the mini-crush technique (N=73). Angiographic and clinical success rates were similar in the two groups: 91.8 versus 97.2% (P=0.27) and 91.8 versus 94.5% (P=0.67), respectively.Although T-provisional stenting was associated with a nonsignificantly lower incidence of MACCE in case of BFLs located far from the CTO (9.3 vs. 22.2%; P=0.426), the mini-crush technique resulted in higher MACCE-free survival at 1 year in the presence of BFLs within the CTO body or close to the proximal or the distal cap (89.1 vs. 64.9%; P=0.007).


CONCLUSION - The mini-crush technique appeared to be associated with improved 1-year clinical and angiographic outcomes, particularly when used to treat BFLs located within the CTO body or close to the proximal or the distal cap.


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