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Lookup NU author(s): Dr Mohaned Egred
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© 2023 Wiley Periodicals LLC.Background: Techniques for provisional and dual-stent left main bifurcation stenting require optimization. Aim: To identify technical variables influencing procedural outcomes and periprocedural myocardial infarction following left main bifurcation intervention. Methods: Procedural and outcome data were analyzed in 438 patients from the per-protocol cohort of the European Bifurcation Club Left Main Trial (EBC MAIN). These patients were randomized to the provisional strategy or a compatible dual-stent extension (T, T-and-protrude, or culotte). Results: Mean age was 71 years and 37.4% presented with an acute coronary syndrome. Transient reduction of side vessel thrombolysis in myocardial infarction flow occurred after initial stent placement in 5% of procedures but was not associated with periprocedural myocardial infarction. Failure to rewire a jailed vessel during any strategy was more common when jailed wires were not used (9.5% vs. 2.5%, odds ratio [OR]: 6.4, p = 0.002). In the provisional cohort, the use of the proximal optimization technique was associated with less subsequent side vessel intervention (23.3% vs. 41.9%, OR: 0.4, p = 0.048). Side vessel stenting was predominantly required for dissection, which occurred more often following side vessel preparation (15.3% vs. 4.4%, OR: 3.1, p = 0.040). Exclusive use of noncompliant balloons for kissing balloon inflation was associated with reduced need for side vessel intervention in provisional cases (20.5% vs. 38.5%, OR: 0.4, p = 0.013), and a reduced risk of periprocedural myocardial infarction across all strategies (2.9% vs. 7.7%, OR: 0.2, p = 0.020). Conclusion: When performing provisional or compatible dual-stent left main bifurcation intervention, jailed wire use is associated with successful jailed vessel rewiring. Side vessel preparation in provisional patients is linked to increased side vessel dissection requiring stenting. Use of the proximal optimization technique may reduce the need for additional side vessel intervention, and noncompliant balloon use for kissing balloon inflation is associated with a reduction in both side vessel stenting and periprocedural myocardial infarction. Clinical Trial Registration: ClinicalTrials.gov Identifier NCT02497014.
Author(s): Arunothayaraj S, Lassen JF, Clesham GJ, Spence MS, Koning R, Banning AP, Lindsay M, Christiansen EH, Egred M, Cockburn J, Mylotte D, Brunel P, Ferenc M, Hovasse T, Wlodarczak A, Pan M, Silvestri M, Erglis A, Kretov E, Chieffo A, Lefevre T, Burzotta F, Darremont O, Stankovic G, Morice M-C, Louvard Y, Hildick-Smith D
Publication type: Article
Publication status: Published
Journal: Catheterization and Cardiovascular Interventions
Year: 2023
Volume: 101
Issue: 3
Pages: 553-562
Print publication date: 15/02/2023
Online publication date: 29/01/2023
Acceptance date: 15/01/2023
ISSN (print): 1522-1946
ISSN (electronic): 1522-726X
Publisher: John Wiley and Sons Inc
URL: https://doi.org/10.1002/ccd.30575
DOI: 10.1002/ccd.30575
PubMed id: 36709485
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