Abstract
Objective: The purpose of this meta-analysis is to evaluate the safety and efficacy of tirofiban during endovascular treatment (EVT) for acute ischemic stroke (AIS) patients. Methods: We systematically searched PubMed, Embase, Web of Science, and CENTRAL (Cochrane Central Register of Controlled Trials) databases for randomized controlled trials and cohort studies (published before May 1, 2020; no language restrictions) comparing tirofiban administration to blank control during EVT in patients with AIS. Our primary end points were the 3-month functional outcome, recanalization rate, symptomatic intracerebral hemorrhage, and 3-month mortality. Results: The incidence of 3-month modified Rankin Scale (mRS) 0–2 score of the tirofiban group was higher than that of the control group (odds ratio [OR] = 1.27, 95% CI [1.09, 1.48], p = 0.002) with heterogeneity (I2 = 34%, p = 0.11). Data pooled from the 6 studies describing the details of retriever stent in EVT revealed that tirofiban was associated with higher incidence of 3-month mRS 0–2 score (OR = 1.48, 95% CI [1.11, 1.96], p = 0.007). The recanalization rate was higher in the tirofiban group compared to the control group (OR = 1.66, 95% CI [1.16, 2.39], p = 0.006). There were no statistically significant differences in the incidence of symptomatic intracranial hemorrhage (OR = 0.97, 95% CI [0.73, 1.31], p = 0.86) and intracranial hemorrhage (OR = 1.08, 95% CI [0.59, 1.97], p = 0.80) between tirofiban and non-tirofiban group. Besides, the tirofiban administration was associated with lower mortality (OR = 0.75, 95% CI [0.62, 0.91], p = 0.003). Conclusions: The application of tirofiban in EVT of AIS may improve functional outcomes and reduce mortality at 3 months. Besides, tirofiban does not seem to increase the risk of symptomatic intracranial hemorrhage and intracranial hemorrhage, either in the anterior or posterior circulation stroke.
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