Andreia Carvalho1, André Cunha2, Tiago Gregório3,4, Ludovina Paredes3,4, Henrique Costa1,3, Miguel Veloso1,3, Sérgio Castro2, Manuel Ribeiro2, Pedro Jorge Gonçalves Barros1,3. 1. Neurology Department, Centro Hospitalar Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal. 2. Imagiology Department, Neuroradiology Unit, Centro Hospitalar Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal. 3. Stroke Unit, Centro Hospitalar Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal. 4. Internal Medicine Department, Centro Hospitalar Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal.
Abstract
BACKGROUND: Several reports refer to differences in stroke between females and males, namely in incidence and clinical outcome, but also in response to treatments. Driven by a recent analysis of the MR CLEAN trial, which showed a higher benefit from acute stroke endovascular treatment (EVT) in males, we intended to determine if clinical outcomes after EVT differ between sexes, in a real-world setting. METHODS: We analyzed 145 consecutive patients submitted to EVT for anterior circulation large-vessel occlusion, between January 2015 and September 2016, and compared the outcomes between sexes. RESULTS: Our population was represented by 81 (55.9%) females, with similar baseline characteristics (pre-stroke disability, baseline NIHSS, and ASPECTS), rate of previous intravenous thrombolysis, time from onset to recanalization, and rate of revascularization; with the exception that women were on average 4 years older and had more hypertension, and men in turn had more tandem occlusions and atherosclerotic etiology (all p < 0.05). Even after adjusting for these statistically significant variables and for intravenous thrombolysis (as some studies advocate a different response to this treatment between sexes), there were no differences in intracranial hemorrhage, functional independence (mRS ≤2 in 60.9% males vs. 66.7% in females, p = 0.48; adjusted p = 0.36), or mortality at 3 months. CONCLUSION: In a real-world setting, we found no sex differences in clinical and safety outcomes after acute stroke EVT. Our results support the idea that women are equally likely to achieve good outcomes as men after acute stroke EVT.
BACKGROUND: Several reports refer to differences in stroke between females and males, namely in incidence and clinical outcome, but also in response to treatments. Driven by a recent analysis of the MR CLEAN trial, which showed a higher benefit from acute stroke endovascular treatment (EVT) in males, we intended to determine if clinical outcomes after EVT differ between sexes, in a real-world setting. METHODS: We analyzed 145 consecutive patients submitted to EVT for anterior circulation large-vessel occlusion, between January 2015 and September 2016, and compared the outcomes between sexes. RESULTS: Our population was represented by 81 (55.9%) females, with similar baseline characteristics (pre-stroke disability, baseline NIHSS, and ASPECTS), rate of previous intravenous thrombolysis, time from onset to recanalization, and rate of revascularization; with the exception that women were on average 4 years older and had more hypertension, and men in turn had more tandem occlusions and atherosclerotic etiology (all p < 0.05). Even after adjusting for these statistically significant variables and for intravenous thrombolysis (as some studies advocate a different response to this treatment between sexes), there were no differences in intracranial hemorrhage, functional independence (mRS ≤2 in 60.9% males vs. 66.7% in females, p = 0.48; adjusted p = 0.36), or mortality at 3 months. CONCLUSION: In a real-world setting, we found no sex differences in clinical and safety outcomes after acute stroke EVT. Our results support the idea that women are equally likely to achieve good outcomes as men after acute stroke EVT.
Entities:
Keywords:
Endovascular treatment; Females; Ischemic stroke; Real-world setting; Sex differences
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