Prospective, single-centre evaluation of the safety and efficacy of percutaneous coronary interventions following a decision tree proposing a no-stent strategy in stable patients with coronary artery disease (SCRAP study).

We evaluated a decision algorithm for percutaneous coronary interventions (PCI) based on a no-stent strategy, corresponding to a combination of scoring balloon angioplasty (SCBA) and drug-coated balloon (DCB), as a first line approach. Stents were used only in unstable patients, or in case of mandatory bailout stenting (BO-stent). From April 2019 to March 2020, 984 consecutive patients, including 1922 lesions, underwent PCI. The 12-month primary end-point was a composite of major adverse cardiac events (MACE) defined as all-cause death, nonfatal myocardial infarction, nonfatal stroke, and target lesion revascularization. Patients were classified into conventional or no-stent strategy groups according to the PCI strategy. In the no-stent strategy group, they were further classified into BO-stent or DCB-only groups. Their metal index was calculated by stent length divided by the total lesion length. The no-stent strategy was applied in 85% of the patients, and it was successful for 65% of them. MACE occurred in 7.1% of the study population, including 4.2% of all-cause death. Target lesion revascularization was required in 1.4%, 3.6%, and 1.5% of patients in the conventional DES, BO-stent, and DCB-only groups, respectively. MACE occurred more often in the elderly and in those treated with at least one stent (metal index greater than 0). The no-stent strategy, i.e., revascularization of coronary lesions by SCBA followed by DCB and with DES bailout stenting, was effective and safe at 1 year. This PCI approach was applicable on a daily practice in our cath lab. This study was registered with clinicaltrials.gov (NCT03893396, first posted on March 28, 2019). Feasibility, safety and efficacy of percutaneous coronary interventions following a decision tree proposing a no-stent strategy in stable patients with coronary artery disease. DES: drug eluting stent; SCBA: scoring balloon angioplasty; BO-stent: at least one stent; DCB: drug coated balloon; BMS: bare metal stent; Bailout (dash lines); MACE: major adverse cardiac event.

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