A large, prospective, multicentre study of left main PCI using a latest-generation zotarolimus-eluting stent: the ROLEX study.
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Tarantini Giuseppe, Fovino Luca Nai, Varbella Ferdinando, Trabattoni Daniela, Caramanno Giuseppe, Trani Carlo, De Cesare Nicoletta, Esposito Giovanni, Montorfano Matteo, Musto Carmine, Picchi Andrea, Sheiban Imad, Gasparetto Valeria, Ribichini Flavio L, Cardaioli Francesco, Saccà Salvatore, Cerrato Enrico, Napodano Massimo, Martinato Matteo, Azzolina Danila, Andò Giuseppe, Mugnolo Antonio, Caruso Marco, Rossini Roberta, Passamonti Enrico, Teles Rui Campante, Rigattieri Stefano, Gregori Dario, Tamburino Corrado, Burzotta Francesco
Аннотация
AIMS: Our study aimed to investigate the safety and efficacy of LM PCI with the latest-generation Resolute Onyx DES.
METHODS: ROLEX (Revascularization Of LEft main with resolute onyX) is a prospective, multicentre study (ClinicalTrials.gov: NCT03316833) enrolling patients with unprotected LM coronary artery disease and a SYNTAX score <33 undergoing PCI with the Resolute Onyx zotarolimus-eluting coronary stent, that includes dedicated extra-large vessel platforms. The primary endpoint (EP) was target lesion failure (TLF): a composite of cardiac death, target vessel myocardial infarction (TVMI) and ischaemia-driven target lesion revascularisation (ID-TLR), at 1 year. All events were adjudicated by an independent clinical event committee. An independent core lab analysed all procedural angiograms.
RESULTS: A total of 450 patients (mean age 71.8 years, SYNTAX score 24.5±7.2, acute coronary syndrome in 53%) were enrolled in 26 centres. Of these, 77% of subjects underwent PCI with a single-stent and 23% with a 2-stent technique (8% double kissing [DK] crush, 6% culotte, 9% T/T and small protrusion [TAP] stenting). Intravascular imaging guidance was used in 45% (42% intravascular ultrasound [IVUS], 3% optical coherence tomography [OCT]). At 1 year, the primary EP incidence was 5.1% (cardiac death 2.7%, TVMI 2.7%, ID-TLR 2.0%). The definite/probable stent thrombosis rate was 1.1%. In a prespecified adjusted subanalysis, the primary EP incidence was significantly lower in patients undergoing IVUS/OCT-guided versus angio-guided PCI (2.0 vs 7.6%; hazard ratio [HR] 0.28, 95% confidence interval [CI]: 0.13-0.58; p<0.001).
CONCLUSIONS: In this large, multicentre, prospective registry, LM PCI with the Resolute Onyx DES showed good safety and efficacy at 1 year, particularly when guided by intracoronary imaging.