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Angiographic control versus ischaemia-driven management of patients undergoing percutaneous revascularisation of the unprotected left main coronary artery with second-generation drug-eluting stents: rationale and design of the PULSE trial.

ABSTRACT: BACKGROUND:The role of planned angiographic control (PAC) over a conservative management driven by symptoms and ischaemia following percutaneous coronary intervention (PCI) of the unprotected left main (ULM) with second-generation drug-eluting stents remains controversial. PAC may timely detect intrastent restenosis, but it is still unclear if this translated into improved prognosis. METHODS AND ANALYSIS:PULSE is a prospective, multicentre, open-label, randomised controlled trial. Consecutive patients treated with PCI on ULM will be included, and after the index revascularisation patients will be randomised to PAC strategy performed with CT coronary after 6 months versus a conservative symptoms and ischaemia-driven follow-up management. Follow-up will be for at least 18 months from randomisation. Major adverse cardiovascular events at 18 months (a composite endpoint including death, cardiovascular death, myocardial infarction (MI) (excluding periprocedural MI), unstable angina, stent thrombosis) will be the primary efficacy outcome. Secondary outcomes will include any unplanned target lesion revascularisation (TLR) and TLR driven by PAC. Safety endpoints embrace worsening of renal failure and bleeding events. A sample size of 550 patients (275 per group) is required to have a 80% chance of detecting, as significant at the 5% level, a 7.5% relative reduction in the primary outcome. TRIAL REGISTRATION NUMBER:NCT04144881.

SUBMITTER: De Filippo O

PROVIDER: S-EPMC7597506 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Angiographic control versus ischaemia-driven management of patients undergoing percutaneous revascularisation of the unprotected left main coronary artery with second-generation drug-eluting stents: rationale and design of the PULSE trial.

De Filippo Ovidio O Bianco Matteo M Tebaldi Matteo M Iannaccone Mario M Gaido Luca L Guiducci Vincenzo V Santarelli Andrea A Zaccaro Lorenzo L Depaoli Alessandro A Vaudano Paolo P Quadri Giorgio G Gagnor Andrea A Boccuzzi Giacomo G Solitro Federica F Cortese Giancarlo G Guarnaccia Carla C Tore Davide D Veltri Andrea A Franchin Luca L Angelini Filippo F Garbo Roberto R Giammaria Massimo M Varbella Ferdinando F Marchisio Filippo F Fonio Paolo P De Ferrari Gaetano Maria GM Cerrato Enrico E Campo Gianluca G D'Ascenzo Fabrizio F

Open heart 20201001 2

<h4>Background</h4>The role of planned angiographic control (PAC) over a conservative management driven by symptoms and ischaemia following percutaneous coronary intervention (PCI) of the unprotected left main (ULM) with second-generation drug-eluting stents remains controversial. PAC may timely detect intrastent restenosis, but it is still unclear if this translated into improved prognosis.<h4>Methods and analysis</h4>PULSE is a prospective, multicentre, open-label, randomised controlled trial. ...[more]

PMID: 33122421

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Project description:BackgroundThe relative short-, long- and overall-term efficacy and safety of sirolimus-eluting stents (SES, Cypher) compared with paclitaxel-eluting stents (PES, Taxus) in large head-to-head comparisons still remain to be defined.MethodsWe searched Pubmed, EMBASE, and the Cochrane Central Register of Controlled Trials (CENTRAL) for articles comparing outcomes of interest between SES and PES without language restriction. Short- (≤ 1 year), long- (>1 year), and overall-term (the longest follow-up of each study) outcomes were evaluated. The primary endpoint was target lesion revascularization (TLR). Other outcomes of interest were target vessel revascularization (TVR), myocardial infarction, all-cause death, cardiac death, stent thrombosis, major adverse cardiac events (MACEs), restenosis and late lumen loss.ResultsSeventy-six studies including more than 15000 patients in randomized controlled trials and over 70000 patients in adjusted observational studies were included. At overall-term follow-up, SES significantly reduced TLR (relative risk [RR]: 0.61; 95% confidence interval [CI]: 0.49-0.76), TVR (RR: 0.67; 95% CI: 0.54-0.83), MACE (RR: 0.79; 95% CI: 0.72-0.87), myocardial infarction (RR: 0.85; 95% CI: 0.73-0.99), in-segment restenosis (RR: 0.50; 95% CI: 0.38-0.65), and in-segment late lumen loss (weighted mean difference [WMD]: -0.19; 95% CI: -0.24--0.14) in randomized controlled trials compared with PES. In addition, lower rates of death (RR: 0.91; 95% CI: 0.83-1.00), any stent thrombosis (RR: 0.62; 95% CI: 0.45-0.86), definite stent thrombosis (RR: 0.59; 95% CI: 0.45-0.77) were found in patients receiving SES in adjusted observational studies. Largely similar results were found at short- and long-term follow-up, and in patients with diabetes, acute myocardial infarction or long lesions.ConclusionsSES significantly reduced the short-, long- and overall-term risk of TLR/TVR, MACE, and restenosis, and overall-term risk of myocardial infarction in randomized controlled trials, as compared with PES. Lower rates of death and stent thrombosis were also observed in observational studies in SES-treated patients.

Dataset Information

Angiographic control versus ischaemia-driven management of patients undergoing percutaneous revascularisation of the unprotected left main coronary artery with second-generation drug-eluting stents: rationale and design of the PULSE trial.

Publications

Angiographic control versus ischaemia-driven management of patients undergoing percutaneous revascularisation of the unprotected left main coronary artery with second-generation drug-eluting stents: rationale and design of the PULSE trial.

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