• He Yitao, Ma Kefu, Tang Bingshan, Fu Xuejun, Zhan Ying, Cai Zhili, Jiang Xin, and Yi Guo.
• Department of Neurology, Shenzhen people's Hospital, Shenzhen, China; 2nd Clinical Medical College of Jinan University, Shenzhen, China.
• Echocardiography. 2014 Nov 1; 31 (10): 1283-92.

AbstractOur objective was to determine whether continuous transcranial Doppler (TCD) monitoring could safely enhance the efficacy of batroxobin, a thrombin-like enzyme extracted from Bothrops atrox moojeni venom, in the treatment for acute cerebral stroke beyond the thrombolytic time window. Ninety patients suffering an acute cerebral stroke were recruited into the study within 12 hours after the onset of symptoms. Patients were randomized to receive batroxobin with (target group) or without 1 hour of continuous TCD monitoring (control group). Clinical evaluation of stroke was based on the National Institutes of Health Stroke Scale (NIHSS) score, Barthel index (BI), Thrombolysis in Brain Ischemia score (TIBI), the incidence of advancing stroke, and the recurrence of cerebral infarction. The patients receiving continuous TCD monitoring showed significant improvement in NIHSS score at 57 days post treatment compared with the control. Similarly, patients receiving continuous TCD monitoring also showed significant improvement in BI at 3 months compared with the controls. Consistently, both the incidence of advancing stroke after 1 week and the incidence of stroke recurrence after 3 months were significantly lower in TCD monitored group than control group. Moreover, the safety of the employment of TCD monitoring in the treatment of these patients was confirmed as there was no significant difference of the incidence of intracranial hemorrhage at 1 week after the treatment between the target and control groups. Taken together, our study showed that batroxobin, in combination with continuous TCD monitoring at the middle cerebral artery, reduced the incidence of advancing stroke and stroke recurrence after treatment without adverse effects in terms of poststroke intracranial hemorrhage.© 2014, Wiley Periodicals, Inc.

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