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  • Title: A Bayesian meta-analysis comparing AngioJet thrombectomy to percutaneous coronary intervention alone in acute myocardial infarction.
    Author: Grines CL, Nelson TR, Safian RD, Hanzel G, Goldstein JA, Dixon S.
    Journal: J Interv Cardiol; 2008 Dec; 21(6):459-82. PubMed ID: 19018943.
    Abstract:
    OBJECTIVE: The purpose of this meta-analysis was to compare outcomes for AngioJet thrombectomy versus percutaneous coronary intervention (PCI) without thrombectomy in acute myocardial infarction (AMI) patients. BACKGROUND: PCI is the preferred treatment for revascularizing the infarct-related artery in patients with AMI. There is controversy about the benefits of thrombectomy as an adjunct to PCI. METHODS: AMI studies published between January 1, 1999, and March 1, 2007, were used to compare AngioJet thrombectomy plus PCI to PCI alone. Bayesian meta-analytic estimates were used to estimate the odds ratios (95% CI) for short-term mortality, major adverse cardiac events (MACE), and final TIMI 3 flow. RESULTS: The AngioJet data included 11 studies and 1,018 patients. The PCI data included 81 studies and 24,076 patients. The AngioJet group included more patients with large thrombus burden, rescue PCI after failed thrombolytic therapy, and longer symptom duration compared to the PCI group. Despite the higher risk profile of AngioJet patients, the groups had similar odds of short-term mortality, 0.98 (0.53, 1.50), MACE, 1.25 (0.54, 2.40), and final TIMI 3 flow, 1.12 (0.70, 2.27). CONCLUSION: AngioJet thrombectomy results in clinical and angiographic outcomes that are similar to PCI in lower risk AMI patients. These observations suggest that AngioJet thrombectomy may reduce the additional risk associated with visible thrombus in the infarct-related lesion.
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