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논문 기본 정보

자료유형
학술저널
저자정보
Marek Sykora (Department of Neurology St. John’s Hospital Vienna Austria) Patrik Michel (Stroke Center Neurology Service Department of Clinical Neurosciences Lausanne University Hospital a) Davide Strambo (Stroke Center Neurology Service Department of Clinical Neurosciences Lausanne University Hospital a) Stefan Krebs (Department of Neurology St. John’s Hospital Vienna Austria) Julia Ferrari (Department of Neurology St. John’s Hospital Vienna Austria) Alexandra Posekany (Austrian National Public Health Institute (Gesundheit Osterreich GmbH)/The Austrian National Instit) Dominika Mikšová (Austrian National Public Health Institute (Gesundheit Osterreich GmbH)/The Austrian National Instit) Konstantin Hermann (Medical Faculty Sigmund Freud University Vienna Vienna Austria) Thomas Gattringer (Department of Neurology Medical University of Graz Graz Austria) Elke Gizewski (Department of Neuroradiology Medical University of Innsbruck Innsbruck Austria) Hannes Deutschmann (Division of Neuroradiology Vascular and Interventional Radiology Department of Radiology Medical Un) Christian Neumann (Department of Radiology St. John’s Hospital Vienna Austria) Wilfried Lang (Department of Neurology St. John’s Hospital Vienna Austria)
저널정보
대한뇌졸중학회 대한뇌졸중학회지 대한뇌졸중학회지 제24권 제3호
발행연도
2022.9
수록면
396 - 403 (8page)

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Background and Purpose Studies on mechanical thrombectomy (MT) in acute ischemic stroke (AIS) patients with preexisting disability are limited. We aimed to compare the outcomes of MT versus best medical treatment (BMT) in these patients. Methods In the nationwide Austrian registry and Swiss monocentric registry, we identified 462 AIS patients with pre-stroke disability (modified Rankin Scale [mRS] score ≥3) and acute large vessel occlusion. The primary outcome was returning to pre-stroke mRS or better at 3 months. Secondary outcomes were early neurological improvement (National Institutes of Health Stroke Scale score improvement ≥8 at 24 to 48 hours), 3-month mortality, and symptomatic intracerebral hemorrhage (sICH). Multivariable regression models and propensity score matching (PSM) were used for statistical analyses. Results Compared with the BMT group (n=175), the MT group (n=175) had younger age, more severe strokes, and lower pre-stroke mRS, but similar proportion of receiving intravenous thrombolysis. MT was associated with higher odds of returning to baseline mRS or better at 3 months (adjusted odds ratio [aOR], 2.5; 95% confidence interval [CI], 1.39 to 4.47), early neurological improvement (aOR, 2.62; 95% CI, 1.41 to 4.88), and lower risk of 3-month mortality (aOR, 0.29; 95% CI, 0.18 to 0.49). PSM analysis showed similar findings. MT was not associated with an increased risk of sICH (4.0% vs. 2.1% in all patients; 4.2% vs. 2.4% in the PSM cohort). Conclusions MT in patients with pre-stroke mRS ≥3 might improve the 3-month outcomes and short-term neurological impairment, suggesting that pre-stroke disability alone should not be a reason to withhold MT, but that individual case-by-case decisions may be more appropriate.

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