Abstract
To compare modern endovascular therapies in the acute ischemic stroke patients leading to more comprehensive acute stroke algorithm. A 2-year retrospective nonrandomized study on 76 patients who were placed into 5 different treatment groups for acute ischemic stroke. These groups included: group 1 (no treatment) (n = 24), group 2 (intravenous tissue plasminogen activator [tPA] only) (n = 18), group 3 (intra-arterial [IA] tPA) (n = 9), group 4 (Mechanical Embolus Removal in Cerebral Ischemia [MERCI]; retrieval only) (n = 17), and group 5 (combined IA/MERCI) (n = 8). Age range for all groups was 29-92 years. There were 39 women (51.3%) and 37 men (48.7%). The mean age for all patients was 70.1 years. The pre- and post-National Institutes of Health Stroke Scale (NIHSS) values were obtained for each group on arrival and discharge from the hospital. The results of the 4 treatment cohorts were compared with the no treatment group, providing the relative efficacy of these procedures compared with conservative medical therapy alone. Group 1 presented with an admission NIHSS value of 11.1 and 8.9 on discharge from the hospital. There was a NIHSS reduction of 2.2 without treatment. Group 2 had an admission NIHSS value of 11.8 and a discharge value of 4.7, resulting in an NIHSS reduction of 7.1. Group 3 had an admission NIHSS value of 16.1 and 7.4 at discharge, resulting in an NIHSS reduction of 8.7. Group 4 had an admission NIHSS value of 15.9 and discharge NIHSS value of 3.1, with an NIHSS reduction of 12.8. Group 5 had an admission NIHSS score of 15.7 and 10.6 at discharge, with an NIHSS reduction of 5.1. Four patients expired during their admission, 2 from group 1 (control group) and 2 from group 5 (combined IA/MERCI group). There was a statistically significant difference for the 5 groups at the P<.05 level in change in NIHSS scores: F (4, 24) = 9.10, P = .000. Modern endovascular therapies for acute ischemic stroke do improve clinical outcomes when implemented in the setting of a dedicated comprehensive stroke team.
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