Feasibility and Safety of Transradial Stenting for Unprotected Left Main Coronary Artery Stenoses

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Background Percutaneous coronary intervention (PCI) is considered an excellent alternative treatment for unprotected left main coronary artery (ULMCA) stenoses. Most PCIs for ULMCA stenoses are performed via the transfemoral approach. The feasibility and safety of the transradial approach for this particular entity are unknown. The present study assessed the feasibility, safety and 1-year outcomes of the transradial approach for stenting of ULMCA stenoses. Methods and Results Of 131 consecutive patients who underwent coronary stenting for ULMCA stenoses, 113 patients (86.3%) received stenting using the transradial approach. All 113 procedures were performed with 6 or 7 French (Fr) catheters except 1 procedure requiring an 8 Fr guiding catheter for directional atherectomy. The technical success rate was 100%, and angiographic success was achieved in 96 patients (85.9%). Two patients had local hematoma (1.8%), and no procedure-related deaths, Q-wave myocardial infarction, repetitive PCI, stroke or emergent coronary artery bypass graft surgery during hospitalization were noted. One (0.9%) in-hospital cardiac death occurred due to ventricular tachyarrhythmia. More than half of our patients stayed in hospital by ⪇3 days. The 1-year target lesion revascularization and cardiac death rate were 14.2% and 3.5%, respectively. Conclusions This investigation demonstrated the feasibility, safety and accepted short-term clinical outcomes of transradial stenting for ULMCA stenosis. This procedure may offer a feasible alternative to the transfemoral approach.
社団法人日本循環器学会の論文
2007-05-20

Feasibility and Safety of Transradial Stenting for Unprotected Left Main Coronary Artery Stenoses

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