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There are still few studies of low-dose recombinant tissue plasminogen activator (rtPA) therapy (0.6 mg/kg) for acute ischemic stroke (AIS) patients ≥ 80 years old, though most strokes occur in elderly people. The safety and effectiveness of this form of thrombolysis without endovascular therapy were evaluated in AIS patients ≥ 80 years old at our hospital. The data were collected from August 2006 to April 2010, before approval of the Mechanical Embolus Removal in Cerebral Ischemia (MERCI) retriever in Japan. Intravenous rtPA was administered to patients within 3 hours of stroke onset. The incidence of intracerebral hemorrhage (ICH), the recanalization rate of the occluded artery, and the modified Rankin Scale (mRS) score 3 months after stroke were examined. The patients who received rtPA therapy were stratified into two age groups: a younger group (&lt; 80 years) and an older group (≥ 80 years). Of the 87 patients who received rtPA therapy, 17 (19.5%) were ≥ 80 years old. The incidence of symptomatic ICH was not significantly different between the younger (4.3%) and older (0%) groups (p = 0.61). The recanalization rate of the occluded artery was not significantly different between the younger (54%) and older (50%) groups (p = 0.78). The rate of an mRS score of 0-2, 3 months after stroke was significantly higher in the younger (44.3%) than in the older group (11.8%) (p = 0.013). Low-dose rtPA therapy appears to be as safe and feasible for AIS patients ≥ 80 years old as it is for younger people. This therapy should not be withheld because of age.

neurologia medico-chirurgica

The Safety and Effectiveness of Low-Dose Recombinant Tissue Plasminogen Activator (0.6 mg/kg) Therapy for Elderly Acute Ischemic Stroke Patients (≥ 80 Years Old) in the Pre-endovascular Era