Journal
LANCET NEUROLOGY
Volume 8, Issue 9, Pages 802-809Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/S1474-4422(09)70182-6
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- SOS-ATTAQUE CEREBRALE
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Background The efficacy of intravenous (M alteplase is restricted by the speed of recanalisation and the site of the occlusion. The aim of this study was to ascertain the effect of a combined IV-endovascular approach (intra-arterial alteplase and, if required, additional thrombectomy) in patients with stroke due to arterial occlusion. Methods We compared recanalisation rates, neurological improvement at 24 h, and functional outcome at 3 months between two periods (February, 2002, to March, 2007, vs April, 2007, to October, 2008) in patients in a prospective registry who were treated with different regimens of alteplase within 3 h of symptom onset. Patients with confirmed occlusion who were treated before April, 2007, were treated with IV alteplase; after April, 2007, patients were treated with a systematic IV-endovascular approach. Analysis was by intention to treat. Findings 46 (87%) of 53 patients treated with the IV-endovascular approach achieved recanalisation versus 56 (52%) of 107 patients in the IV group (adjusted relative risk IRRI 1.49, 95% CI 1-21-1-84; p=0.0002). Early neurological improvement (NIHSS score of 0 or 1 or an improvement of 4 points or more at 24 h) occurred in 32 (60%) patients in the IV-endovascular group and 42 (39%) patients in the TV group (adjusted RR 1.36, 0.97-1-91; p=0.07). Favourable outcome (mRS of 0-2 at 90 days) occurred in 30 (57%) patients in the IV-endovascular group and 47 (44%) patients in the IV group (adjusted RR 1.16, 0.85-1-58; p=0.35). The mortality rate at 90 days was 17% in both groups, and symptomatic intracranial haemorrhage was reported in five (9%) patients in the TV-endovascular group and in 12 (11%) patients in the IV group. Better clinical outcome was associated with recanalisation in both groups and with time to recanalisation in the IV-endovascular group. Interpretation An IV-endovascular approach is associated with higher recanalisation. rates than is IV alteplase in patients with stroke and confirmed arterial occlusion. In patients treated with an IV-endovascular approach, a shorter time from symptom onset to recanalisation is associated with better clinical outcomes. Funding SOS-ATTAQUE CEREBRALE.
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