Carotid endarterectomy versus carotid angioplasty for stroke prevention: a systematic review and meta-analysis
Tóm tắt
This meta-analysis aimed to evaluate the efficacy of carotid endarterectomy (CE) compared with carotid angioplasty (CA) in preventing stroke. Whether the use of CE is more efficient in preventing stroke than CA is a matter of debate. Data were gathered from randomized controlled trials to evaluate the effect of CE compared with CA on the risk of stroke. Electronic searches in PubMed, Embase, and the Cochrane Library were performed to identify studies till November 2014. Only randomized controlled trials performed on patients who received either CE or CA for stroke prevention were included. Nine relevant trials (n = 7163) that met the inclusion criteria were identified. In a pooled analysis, CE resulted in 35 % reduction in relative risk (RR) for short-term stroke [RR, 0.65; 95 % confidence interval (CI): 0.47–0.89; P = 0.007)] and 22 % reduction in RR for long-term stroke (RR, 0.78; 95 % CI: 0.66–0.93; P = 0.006) relative to CA. However, CE also increased the risk of 30-day myocardial infarction by 114 % compared with CA (RR, 2.14; 95 % CI: 1.30–3.53; P = 0.003). Sensitivity analyses suggested that CE might influence the risk of 30-day major vascular events and 1-year major vascular events compared with CA. CE could reduce the risk of stroke (whether short term or long term), but resulted in a relative increase in the risk of myocardial infarction. This study might guide appropriate judgments about treatment approach. It also provided evidence to justify general guidelines for patients with carotid artery stenosis.
Tài liệu tham khảo
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