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  • Title: Stenting in acute myocardial infarction: in hospital and long-term follow-up.
    Author: Horowitz N, Kapeliovich M, Beyar R, Hammerman H.
    Journal: Isr Med Assoc J; 2003 Feb; 5(2):107-11. PubMed ID: 12674660.
    Abstract:
    BACKGROUND: Coronary stenting was recently introduced as a primary intervention for acute myocardial infarction. Several randomized controlled studies have shown that stenting may be superior to balloon angioplasty for the treatment of AMI. However, routine stenting may also cause deterioration of coronary flow. OBJECTIVE: To analyze the clinical characteristics and the outcome of patients who were treated with stenting for AMI in our center in the recent era of stenting. METHODS: Fifty-five patients with AMI were treated by stent implantation between January 1998 and December 1999. Adverse clinical events were recorded, including death, recurrent infarction, coronary artery bypass grafting, cerebrovascular accident, and target vessel revascularization. In-hospital, 1 month, 6 month and 1 year follow-up was performed in all patients. Repeat coronary angiography was performed according to clinical indications. RESULTS: Baseline angiographic results showed Thrombolysis in Myocardial Infarction (TIMI) 0 flow in 39 patients (70.9%), TIMI I flow in no patient and TIMI II/III flow in 16 patients (29.1%). TIMI grade 3 flow was achieved in 90.9% of patients at the end of the procedure. In-hospital mortality rate was 5.4% (2.1% in patients without cardiogenic shock). There was no evidence of re-infarction or TVR. The rates of bleeding complication (all of them minor), CVA, and CABG were 9.1%, 3.6% and 1.8% respectively. The 6 month mortality rate remained the same. Rates of re-infarction, restenosis, TVR and CABG were 3.6%, 14.5%, 14.5% and 5.4% respectively. The 1 year mortality rate was 7.3%. Restenosis rate was 18% and CABG 7.3%. One year event-free survival was 70.9%. CONCLUSIONS: This study suggests that stenting is a safe and effective mode of therapy in the setting of AMI associated with a high rate of revascularization and a low short and long-term outcome.
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