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OALib Journal期刊
ISSN: 2333-9721
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-  2019 

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DOI: 10.1177/1591019918821074

Keywords: Endovascular treatment,ischemic stroke,meta-analysis,thrombectomy

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Abstract:

In acute ischemic stroke patients with large-artery occlusion, uncertainties remain about whether clinically important outcomes are comparable between first-line contact aspiration and stent-retriever thrombectomy, although two trials have investigated whether one strategy should be preferred over another. The purpose of this article is to compare the efficacy and safety of first-line contact aspiration and stent-retriever thrombectomy in stroke patients with anterior circulation large-artery occlusion. We undertook a systematic review of studies of patients treated for large-artery occlusion, with the latest devices of either strategy, within six hours of stroke onset. We determined rates of final complete reperfusion (defined as modified Thrombolysis In Cerebral Infarction score?=?3), periprocedural complications and 90-day functional independence (defined as modified Rankin Scale (mRS) score 0–2), and excellent outcome (defined as mRS score 0–1) after contact aspiration and after stent-retriever thrombectomy using random-effects meta-analyses. Any differential effects in rates between the two strategies were assessed using random-effects meta-regressions. Fifteen studies (1817 patients) were included. There was no difference in rates of final complete reperfusion at the end of all endovascular procedures between contact aspiration and stent retrievers (51.1%, 95% confidence interval (CI) 39.3–62.9; vs 38.3%, 95% CI 28.6–48.0; pint?=?0.14), 90-day functional independence (45.0%, 40.7–49.2; vs 52.4%, 47.7–57.1; pint?=?0.45) and excellent outcome (32.1%, 25.7–38.5; vs 34.1%, 21.2–46.9; pint?=?0.94). Rates of periprocedural complications did not differ between the two strategies. Current data suggest no difference in efficacy and safety between first-line contact aspiration and stent-retriever thrombectomy in stroke patients with large-artery occlusion

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