Previous trials in elderly patients with ST-elevation myocardial infarction (STEMI) have not shown a definitive benefit of primary percutaneous coronary intervention (PPCI) by transfemoral approach over thrombolysis. The transradial approach (TRA) is associated with a significant decrease in mortality, MACE (Major Adverse Cardiac Event), and serious access site complications compared with the transfemoral approach. We have evaluated clinical outcomes in a cohort of real-life unselected ≥75-year-old patients with STEMI treated by TRA-PPCI. This is a single-center prospective, observational registry of consecutive patients with STEMI who underwent PPCI between February 2007 and February 2013. MACE was defined as death, reinfarction, or stroke. A total of 307 patients were treated by PPCI, 293 (95.1%) with TRA-PPCI (mean age 80 ± 2 years, 42% women). Patients had high co-morbidity levels (cardiogenic shock on admission 8.5%, previous myocardial infarction 11.6%, diabetes 30.4%, previous renal failure 25.6%, previous PCI 9.6%, and peripheral arterial disease 14.3%); IIbIIIa inhibitors were used in 45.1% of patients. Severe bleeding and need for transfusion were recorded for 6.5% and 9.9% of patients, respectively. In-hospital mortality, 1-year mortality, and 1-year MACE were 11.9%, 17.4%, and 22.2%, respectively. Excluding 25 patients with cardiogenic shock on admission, the in-hospital mortality, 1-year mortality, and 1-year MACE were 7.8%, 13.1%, and 17.9%, respectively. In conclusion, TRA-PPCI was feasible in the vast majority of elderly patients with STEMI. In-hospital mortality, 1-year mortality, and 1-year MACE were lower than reported for transfemoral access, suggesting a benefit of the TRA in these patients.
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