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Catheter Cardiovasc Interv. 2003 May;59(1):26-33.

Comparative study on transradial approach vs. transfemoral approach in primary stent implantation for patients with acute myocardial infarction: results of the test for myocardial infarction by prospective unicenter randomization for access sites (TEMPURA) trial.

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Cardiology Laboratory, Heart Center, ShonanKamakura General Hospital, Kamakura, Japan.


Transradial coronary intervention (TRI) can be performed in elective patients with low incidence of access site complications. However, the feasibility of primary stent implantation by TRI is still not clear in patients with acute myocardial infarction (AMI). We prospectively randomized 149 patients out of 213 patients with AMI within 12 hr from onset into two groups: 77 patients treated by TRI (TRI group) and 72 patients by transfemoral coronary intervention (TFI; TFI group). We compared the incidences of major adverse cardiac events (MACE; repeat MI, target lesion revascularization, and cardiac death) during the initial hospitalization and 9-month follow-up periods in both groups. There were one patient who crossed over to the opposite arm, and two patients with severe bleeding complications in the TFI group. Background characteristics of patients were similar between the two groups. The success rate of reperfusion and the incidence of in-hospital MACE were similar in both groups (96.1% and 5.2% vs. 97.1% and 8.3% in TRI and TFI groups, respectively). In selected patients with AMI, primary stent implantation by TRI is feasible as compared to TFI.

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