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Is endovenous thrombolysis safety and efficacy in ischemic stroke comparable between patients aged over and above 80 years? Experience from an Argentinean cohort
INTRODUCTION. Enrollment of patients aged above 80 years in trials assessing endovenous thrombolysis (rt-PA) was scarce. The goal of this study is to compare safety and efficacy of endovenous rt-PA between patients aged above 80 and those below 80 years.
PATIENTS AND METHODS. A cohort of patients who received rt-PA was prospectively followed. Length of hospital stay, bleeding incidence, in-hospital mortality and 90 days clinical outcome was compared between patients aged above 80 and those below 80 years.
RESULTS. Of 1996 patients admitted at our hospital with ischemic stroke between October 2005 and January 2016, 180 received rt-PA (9%). Mean age was 77 ± 10 years, being 55% of the women. Comparing patients aged above 80 with those below 80 years, in the latter the length of hospital stay was longer with a median length of 15 days (IQR: 6-19) vs 7 days (IQR: 4-12; p = 0.001) and 90 days clinical outcome was worse (modified Rankin scale 0-1 of 24% vs 41%; p = 0.001). Admission ASPECTS score, bleeding incidence and in-hospital mortality showed no significant differences between both groups. Patients aged over 80 arrived to the hospital earlier (97 ± 34 vs 113 ± 45 min; p = 0.01), however door-to-needle time was longer.