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Low-Dose Tirofiban Improves Functional Outcome in Acute Ischemic Stroke Patients Treated With Endovascular Thrombectomy.

Abstract：

BACKGROUND AND PURPOSE:Chinese patients largely experience acute ischemic stroke (AIS) because of large artery atherosclerosis rather than cardioembolism, and whether tirofiban is safe and effective in these patients treated with endovascular thrombectomy (ET) is unknown. This study evaluated the safety and efficacy of tirofiban in Chinese patients with AIS treated with ET. METHODS:This observational study is based on a single-center prospective registry study. Patients with AIS undergoing ET with second-generation stent retrievers from January 2013 to February 2017 were treated with ET alone or ET plus low dose of tirofiban. The primary outcome was symptomatic intracerebral hemorrhage (sICH). The secondary outcomes included rate of early reocclusion, any ICH, fatal ICH, and 3-month and long-term functional outcomes. RESULTS:One hundred eighty AIS subjects were included in the analysis, including 90 subjects treated with tirofiban and 90 subjects without tirofiban. Sixty-three subjects (35%) had any ICH, 19 of them (11%) were sICH, and 9 of them (5%) were fatal ICH. Ten subjects (11%) treated with tirofiban experienced sICH and 9 subjects (10%) not given tirofiban experienced sICH, not a significant difference (P=0.808). Early reocclusion happened in 4 of 90 subjects (4.4%) treated with tirofiban and 8 of 90 subjects (8.9%) not treated with tirofiban (P=0.370). One hundred sixty-one subjects (89%) completed long-term follow-up, subjects treated tirofiban were associated with lower odds of death (23% versus 44%, P=0.005) when compared with those who were not treated. Additionally, tirofiban was associated with better odds of long-term functional independence (adjusted odds ratio, 4.37; 95% confidence interval, 1.13-16.97; P=0.033). CONCLUSIONS:In patients with AIS undergoing ET, tirofiban is not associated with higher sICH, it seems to lead to lower odds of deaths and better odds of long-term functional independence. Further investigations are needed to determine the efficacy of tirofiban in preventing early reocclusion, the underlying mechanisms, and its optimal treatment protocol.

journal_name

Stroke

journal_title

Stroke

authors

Zhao W,Che R,Shang S,Wu C,Li C,Wu L,Chen J,Duan J,Song H,Zhang H,Ling F,Wang Y,Liebeskind D,Feng W,Ji X

doi

10.1161/STROKEAHA.117.019193

subject

Has Abstract

pub_date

2017-12-01 00:00:00

pages

3289-3294

issue

eissn

0039-2499

issn

1524-4628

pii

STROKEAHA.117.019193

journal_volume

pub_type

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Low-Dose Tirofiban Improves Functional Outcome in Acute Ischemic Stroke Patients Treated With Endovascular Thrombectomy.