Benefit of Final Kissing Balloon Inflation Mandatory After Simple Crossover Stenting for Left Main Bifurcation Narrowing.

Abstract	The role of final kissing balloon (FKB) inflation after simple crossover stenting in unprotected left main (LM) bifurcation stenosis remains unknown. From the Asan Medical Center-Left Main Revascularization (ASAN-MAIN) registry, 413 patients with LM bifurcation stenosis treated by simple crossover stenting with a drug-eluting stent were identified. After simple crossover stenting, FKB inflation was performed in 95 patients (FKB group) and 318 patients finished the procedure without FKB (no-FKB group). The primary end points of the 2-year incidence of major adverse cardiac events (death, myocardial infarction, and left main target lesion revascularization [LM-TLR]) were similar between the FKB and no-FKB groups (12.5% vs 8.5%, p = 0.24). After adjustment, the risk of major adverse cardiac event was not significantly different between the FKB and the no-FKB groups (hazard ratio [HR] 1.10, 95% confidence interval [CI] 0.49 to 2.49; p = 0.82). The risk of death (HR 1.03, 95% CI 0.28 to 3.82; p = 0.98), the composite of death or myocardial infarction (HR 0.95, 95% CI 0.26 to 3.51; p = 0.96), or LM-TLR (HR 1.32, 95% CI 0.46 to 3.75; p = 0.60) were not significantly different between groups. In conclusions, for the treatment for LM bifurcation stenosis, selective, not mandatory, FKB strategy after simple crossover stenting appears to be associated with a favorable outcome.
Authors	Jung-Min Ahn, Pil Hyung Lee, Duk-Woo Park, Soo-Jin Kang, Seung-Whan Lee, Young-Hak Kim, Cheol Whan Lee, Seong-Wook Park, Seung-Jung Park
Journal	The American journal of cardiology (Am J Cardiol) Vol. 119 Issue 4 Pg. 528-534 (02 15 2017) ISSN: 1879-1913 [Electronic] United States
PMID	28007298 (Publication Type: Journal Article, Observational Study, Research Support, Non-U.S. Gov't)
Copyright	Copyright © 2016. Published by Elsevier Inc.
Topics	Aged Angioplasty, Balloon, Coronary (methods) Cause of Death Coronary Angiography Coronary Stenosis (therapy) Drug-Eluting Stents Female Humans Incidence Male Middle Aged Mortality Myocardial Infarction (epidemiology) Percutaneous Coronary Intervention Proportional Hazards Models Registries Retrospective Studies Treatment Outcome

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