Please use this identifier to cite or link to this item: https://repository.southwesthealthcare.com.au/swhealthcarejspui/handle/1/3854
Journal Title: Endovascular Thrombectomy Versus Medical Management in Isolated M2 Occlusions: Pooled Patient-Level Analysis from the EXTEND-IA Trials, INSPIRE, and SELECT Studies
Authors: Sarraj, Amrou
Parsons, Mark
Bivard, Andrew
Hassan, Ameer E.
Abraham, Michael G.
Wu, Teddy
Kleinig, Timothy
Lin, Longting
Chen, Chushuang
Levi, Christopher
Dong, Qiang
Cheng, Xin
Butcher, Ken S.
Choi, Philip
Yassi, Nawaf
Shah, Darshan
Sharma, Gagan
Pujara, Deep
Shaker, Faris
Blackburn, Spiros
Dewey, Helen
Thijs, Vincent
Sitton, Clark W.
Donnan, Geoffrey A.
Mitchell, Peter J.
Yan, Bernard
Grotta, James G.
Albers, Gregory W.
Davis, Stephen M.
Campbell, Bruce C. V.
Select Investigators, the EXTEND - IAInvestigators the EXTEND - IA TNK Investigators the EXTEND - IA TNK Part I. I. Investigators
the, Inspire Study Group
Keywords: Brain Ischemia
Endovascular Procedures
Humans
Perfusion Imaging
Prospective Studies
Stroke
Thrombectomy
Treatment Outcome
Issue Date: May-2022
Date Accessioned: 2023-04-24T02:44:22Z
Date Available: 2023-04-24T02:44:22Z
Accession Number: 35184327
Url: https://www.ncbi.nlm.nih.gov/pubmed/35184327
Description Affiliation: Case Western Reserve University, Neurology, Cleveland, OH, USA.
University Hospitals Cleveland Medical Center, Cleveland, OH, USA.
The University of New South Wales, Neurology, Sydney, New South Wales, Australia.
The Melbourne Brain Centre, The Royal Melbourne Hospital, University of Melbourne, Neurology, Parkville, Victoria, Australia.
The University of Newcastle, Stroke and Brain Injury Center, Callaghan, New South Wales, Australia.
University of Texas Rio Grande Valley - Valley Baptist Medical Center, Neurology, Harlingen, TX, USA.
University of Kansas Medical Center, Kansas City, KS, USA.
Christchurch Hospital, Neurology, Christchurch, New Zealand.
Royal Adelaide Hospital, Neurology, Adelaide, South Australia, Australia.
John Hunter Hospital, University of Newcastle, Neurology, Newcastle, New South Wales, Australia.
Huashan Hospital, Fudan University, Neurology, Shanghai, China.
Eastern Health Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Victoria, Australia.
The Walter and Eliza Hall Institute of Medical Research, Population Health and Immunity Division, Parkville, Victoria, Australia.
Gold Coast University Hospital, Neurology, Southport, Queensland, Australia.
UTHealth McGovern Medical School, Neurosurgery, Houston, TX, USA.
Stroke Theme, Florey Institute of Neuroscience and Mental Health, University of Melbourne, Heidelberg, Victoria, Australia.
UTHealth McGovern Medical School, Diagnostic and Interventional Imaging, Houston, TX, USA.
The Royal Melbourne Hospital, University of Melbourne, Radiology, Parkville, Victoria, Australia.
Memorial Hermann - Texas Medical Center, Neurology, Houston, TX, USA.
Stanford University Medical Center, Neurology and Neurological Sciences, Stanford, CA, USA.
Format Startpage: 629-639
Source Volume: 91
Issue Number: 5
Database: Medline
Notes: eng
DOI: 10.1002/ana.26331
Date: May
2022
Abstract: OBJECTIVE: The objective of this study was to evaluate functional and safety outcomes of endovascular thrombectomy (EVT) versus medical management (MM) in patients with M2 occlusion and examine their association with perfusion imaging mismatch and stroke severity. METHODS: In a pooled, patient-level analysis of 3 randomized controlled trials (EXTEND-IA, EXTEND-and IA-TNK parts 1 and 2) and 2 prospective nonrandomized studies (INSPIRE and SELECT), we evaluated EVT association with 90-day functional independence (modified Rankin Scale [mRS] = 0-2) in isolated M2 occlusions as compared to medical management overall and in subgroups by mismatch profile status and stroke severity. RESULTS: We included 517 patients (EVT = 195 and MM = 322), baseline median (interquartile range [IQR]) National Institutes of Health Stroke Scale (NIHSS) was 13 (8-19) in EVT versus 10 (6-15) in MM, p < 0.001. Pretreatment ischemic core did not differ (EVT = 10 [0-24] ml vs MM = 9 [3-21] ml, p = 0.59). Compared to MM, EVT was more frequently associated with functional independence (68.3 vs 61.6%, adjusted odds ratio [aOR] = 2.42, 95% confidence interval [CI] = 1.25-4.67, p = 0.008, inverse probability of treatment weights [IPTW]-OR = 1.75, 95% CI = 1.00-3.75, p = 0.05) with a shift toward better mRS outcomes (adjusted cOR = 2.02, 95% CI:1.23-3.29, p = 0.005), and lower mortality (5 vs 10%, aOR = 0.32, 95% CI = 0.12-0.87, p = 0.025). EVT was associated with higher functional independence in patients with a perfusion mismatch profile (EVT = 70.7% vs MM = 61.3%, aOR = 2.29, 95% CI = 1.09-4.79, p = 0.029, IPTW-OR = 2.02, 1.08-3.78, p = 0.029), whereas no difference was found in those without mismatch (EVT = 43.8% vs MM = 62.7%, p = 0.17, IPTW-OR: 0.71, 95% CI = 0.18-2.78, p = 0.62). Functional independence was more frequent with EVT in patients with moderate or severe strokes, as defined by baseline NIHSS above any thresholds from 6 to 10, whereas there was no difference between groups with milder strokes below these thresholds. INTERPRETATION: In patients with M2 occlusion, EVT was associated with improved clinical outcomes when compared to MM. This association was primarily observed in patients with a mismatch profile and those with higher stroke severity. ANN NEUROL 2022;91:629-639.
URI: https://repository.southwesthealthcare.com.au/swhealthcarejspui/handle/1/3854
Journal Title: Annals of Neurology
Type: Journal Article
Appears in Collections:SWH Data Contributions

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