• To determine safety of early anticoagulation in patients with acute ischemic stroke, 150 consecutive patients were treated with continuous intravenous heparinization for one to 17 days (median, seven days) in an open trial. Fourteen patients had transient ischemic attacks and 136 patients had acute cerebral infarctions (Cls). None of the patients with transient ischemic attacks experienced untoward events. Of those with acute CI, four patients (3%) suffered a new, or extension of, CI; six patients (4.4%) suffered hemorrhagic complications, four patients (3%) died during treatment, and six patients (4%) died afterwards. Three of the deaths were related to treatment complications. Only 13 patients (8.6%) experienced fluctuation of deficit. Median hospitalization was 25.5 days. Recovery of function was good to excellent in 81% of the patients with acute CI; 75% of the survivors were ambulatory, and about 66% of the patients had either a mild or a minimal neurologic deficit at discharge. The incidence of untoward events in patients with acute CI was high enough (7.4%) for us to conclude that the efficacy of continuous intravenous heparinization in acute ischemic stroke should be established with controlled studies before its routine use can be recommended.
Ramirez-Lassepas M, Quiñones MR, Nino HH. Treatment of Acute Ischemic Stroke: Open Trial With Continuous Intravenous Heparinization. Arch Neurol. 1986;43(4):386–390. doi:10.1001/archneur.1986.00520040066022
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