Endovascular Thrombectomy Treatment Effect in Direct vs Transferred Patients With Large Ischemic Strokes

Author:

Sarraj Amrou1,Hill Michael D.2,Hussain M. Shazam3,Abraham Michael G.4,Ortega-Gutierrez Santiago5,Chen Michael6,Kasner Scott E.7,Churilov Leonid8,Pujara Deep K.1,Johns Hannah8,Blackburn Spiros9,Sundararajan Sophia1,Hu Yin C.10,Herial Nabeel A.11,Budzik Ronald F.12,Hicks William J.13,Arenillas Juan F.14,Tsai Jenny P.15,Kozak Osman16,Cordato Dennis J.17,Hanel Ricardo A.18,Wu Teddy Y.19,Portela Pere Cardona20,Gandhi Chirag D.21,Al-Mufti Fawaz21,Maali Laith4,Gibson Daniel22,Pérez de la Ossa Natalia23,Schaafsma Joanna D.24,Blasco Jordi25,Sangha Navdeep26,Warach Steven27,Kleinig Timothy J.28,Shaker Faris9,Sitton Clark W.29,Nguyen Thanh30,Fifi Johanna T.31,Jabbour Pascal11,Furlan Anthony1,Lansberg Maarten G.32,Tsivgoulis Georgios33,Sila Cathy1,Bambakidis Nicholas10,Davis Stephen34,Wechsler Lawrence35,Albers Greg W.32,Grotta James C.36,Ribo Marc37,Campbell Bruce C.38,Hassan Ameer E.39, , ,Sarraj Amrou40,Sundararajan Sophia40,Hu Yin40,Sila  Cathy40,Furlan  Anthony40,Opaskar  Amanda40,Bambakidis  Nicholas40,Ray  Abhishek40,Sunshine  Jeffrey40,DeGeorgia Michael40,Xiong Wei40,Duncan  Rose40,Fadhil  Ali40,Hansen John40,Patel Mohit40,Chugh Arunit40,Al-Shaibi Faisal40,Alomar Majed40,El-Azzouni Soheil40,Moussa Rami B40,Jin Dasul40,Nayak Katrina M40,Zhang Yiyi40,Modak Nikhil S40,Jumah Muruj M40,Liou Deng-Yuan Dean40,Alamoudi Abdullah40,Pujara Deep40,Blackburn Spiros40,Grotta James C.40,Sitton Clark40,Rahbar Mohammad H40,Dannenbaum  Mark40,Riascos Roy40,Spiegel  Gary40,Barreto  Andrew40,Sharieff  Anjail40,Cochran  Joseph40,Day  Arthur L.40,Gonzales  Nicole40,Reddy  Sujan40,Fournier  Lauren40,Jones  Erica M40,Zelini  Pamela40,Kamal  Haris40,Castanon Felix  Guerra40,Asim Naveed40,Shaker Faris40,Hessabi Manouchehr40,Tahanan Amirali40,Abraham Michael40,Maali Laith40,Ebersole  Koji40,Kawano  Jorge40,Lechtenberg  Colleen40,Slavin  Sabreena40,Maali  Latih40,Madarang  Ernest40,Pendurthi  Aparna40,Qureshi  Abid40,Reeves  Alan40,Rosterman  Lee40,Wang  Yunxia40,Barkley  Tiffany Thu40,Vanguru  Husitha40,Paterson  Jeremy40,Walters  Carissa40,Ackerman  Peyton40,Hanel Ricardo40,Aghaebrahim Amin N40,Sauvageau  Eric40,Munden  Gina40,Hussain M. Shazam40,Abdulrazzak Mohammad A40,Uchino  Ken40,Katzan  Irene40,Lu  Mei40,Toth  Gabor40,Russman  Andrew40,Wisco  Dolora40,Sundararajan  Jayashree40,Buletko  Andrew40,Bain  Mark40,Moore  Nina40,Witek  Alex40,Cierny  Marek40,Mahapatra  Ashutosh40,Kharal  Ghulum40,Limbert  Denice40,Resser  Tina40,Sweeney  Laura J40,Chen Michael40,Munich  Stephan40,Crowley  Richard40,McLaughlin  Elizabeth40,Song  Sarah40,McWilliams  Rebecca40,Jacher  Bartosz40,Warach Steven40,Milling  Truman J.40,Miley  Jefferson40,Ellington  Kent40,Regan  Aliaksandra40,Erfan  Jessica40,Mawla  Manzure40,Davis  Lisa40,Zuck  Nathan40,Budzik Ron F40,Hicks William J40,Vora  Nirav40,Pema  Peter40,Alhajeri  Abdulnasser40,Loochtan  Aaron40,Rai  Vivek40,Katz  Brian40,Koss  Adam40,Dedhia Nikita40,Groezinger  Katy40,Heckathorn  Megan40,Bartelt Heather40,Sangha Navdeep40,Le Duy40,Feng Lei 40,Chao Kuo40,Cheng  Pamela K40,Ajani  Zahra A40,Lui  Catherine L40,Sharma  Ashima40,Kozak Osman40,Mackenzie Larami40,Choe Hana40,Bussinger  Patricia40,DePalmo  Ashley40,Hassan Ameer E40,Tekle Wondwossen40,Georgiadis Alexandros40,Sanchez  Olive40,Smith  Pualani40,Gibson Daniel40,Wallace Adam40,Mente Tracy40,Wilson Margaret40,Ortega-Gutierrez Santiago40,Samaniego Edgar40,Derdeyn  Colin40,Dlouhy  Kathleen40,Hasan  David40,Hayakawa  Minako40,Leira  Enrique40,Limaye  Kaustubh40,Shaban  Amir40,Shim  Hyung Sub40,Ghannam  Malik40,Zeballos Cynthia40,Maljaars Jason40,Koul Prateeka40,Almajali Mohammad40,Olalde  Heena40,Kekinagath Harika A40,Elijovich Lucas40,Arthur  Adam40,Hoit  Daniel40,Nickele  Christopher40,Inoa  Violiza40,Goyal  Nitin40,Wilson  Stephanie40,Parsha  Kaushik40,Nolte  Amanda40,Herial Nabeel40,Jabbour Pascal40,Tjoumakaris  Stavropoula40,Gooch  Michael Reid40,Theofanis   Thana40,Rosenwasser  Robert H.40,Schunemann Victoria40,Tahir Rizwan40,Eldin  Mohamed S40,Jabre  Roland40,Chen  Jared40,Jones  Nadirah40,Kasner Scott40,Cucchiara  Brett L40,Messe  Steven Russell40,Witsch  Jens40,George  Donna40,Favilla  Christopher40,Yuan  Qingyang40,Stein  Laura A40,Novello  Paul40,Rothstein  Aaron40,Cristancho  Daniel40,Sloane  Kelly40,Humbert  Kelley40,Zuflacht  Jonah40,Kumar  Arooshi40,Khan  Farhan40,Mullen  Michael40,Dawod  Judy40,Burkhardt  Jan-Karl40,Jankowitz  Brian40,Pukenas  Bryan40,Choudhri  Omar40,Ramchand  Preethi40,Reyes-Esteves  Sahily40,Kone  Gbambele40,Kvantaliani  Nino40,Rosso  Michela40,Cole  Sydni40,Khazaal  Ossama40,Gallatti  Nichole40,Tsai Jenny40,Min  Jiangyong40,Wees  Nabil40,Abdallah  Amjad40,Khan  Muhib A.40,Khan  Nadeem40,Ahrar Asad40,Mazaris Paul40,Malgorzata Miller40,Singer Justin40,Groseclose Ryan S.40,Sultan  Beenish I.40,Sahlein Daniel40,Amuluru  Krishna40,Scott  John40,DeNardo  Andrew40,Rosenbaum  David40,Campbell  Kati40,Gandhi Chirag40,Al-Mufti  Fawaz40,Kaur  Gurmeen40,Santarelli Justin40,Lemrick  Nicole40,Cero  Heather40,Clare  Kevin40,Nolan  Bridget40,Schaafsma Joanna40,Stewart Tim40,Cayley Anne40,Jaigobin Cheryl40,Casaubon Leanne40,Nicholson Patrick40,Agid Ronit40,Silver Frank40,Pikula Aleksandra40,To William40,Crellin Lisa40,Shuaib Ashfaq40,Sobreira Nina40,Campbell Bruce C40,Yan Bernard40,Yogendrakumar Vignan40,Ng Felix C40,Mitchell Peter J40,Dowling Richard J40,Bush Steven J40,Williams Cameron40,Yassi Nawaf40,Pavlin-Premrl Davor40,Beharry James40,Balabanski Anna40,Santos Angela Dos40,Sharobeam Angelos40,Valente Michael40,Park Ashley40,Wong Joseph40,McDonald Amy40,Jackson David40,Sharma Gagan40,Guha Prodipta40,Rokaha Birendra40,Kleinig Timothy J40,Scroop Rebecca40,Kurunawai Craig40,Mahadevan Joshua40,Goh Rudy40,Drew Roy40,Cordato Dennis40,Manning Nathan40,Parsons Mark40,McQuinn Alex40,Wenderoth Jason40,Cheung Andrew40,McDougall Alan40,Thomas James40,Cappelen-Smith Cecilia40,Blair Christopher40,Edwards Leon40,Whitely Justin40,Helou Jacob40,Miller Megan40,Wu Teddy Y40,Collecutt Wayne40,Colgan Frances40,Krauss Martin40,Laing Andrew40,Wilson Duncan40,Fink John40,LeHeron Campbell40,Mason Deborah40,Green  Rosemary40,Bremner Kathleen40,Ribo Marc40,Tomasello Alejandro40,Requena Ruiz Manuel40,Olive Gadea Marta40,Sanjuan Estela40,Cendrero Judith40,Blasco Jordi40,Renu Arturo40,San Roman Luis40,Urra Xabier40,Santana Daniel40,Maria Cabrera Jose40,Llull Laura40,López-Rueda Antonio40,Cabero Andrea40,Serrano Elena40,Perez de la Ossa Natalia40,Hernández-Pérez Maria40,Millán Mònica40,Gomis Meritxell40,Bustamante Alejandro40,Dorado Laura40,Gómez-Choco Manuel40,Remollo Sebastià40,Castaño Carlos40,Werner Mariano40,Muñoz-Narbona Lucia40,Cardona Pere40,Quesada Helena40,Lara Blanca40,Paipa Andres40,Nuñez Anna40,Cuba Victor40,Chirife Oscar40,Aja Lucia40,de Miquel Maria Angeles40,Arenillas Juan F40,De Lera Alfonso Mercedes40,Araque María Esther Ramos40,Calleja Ana I40,Cortijo Elisa40,Martínez-Galdámez Mario40,Schüller Miguel40,Galván Jorge40,Reyes Muñoz Javier40,Vicente Gómez Beatriz40,Psychogios Marios40,Brehm Alex40,Vora Nirav12,Manning Nathan W.41,Cheung Andrew41,Aghaebrahim Amin N.18,Paipa Merchán Andres J.42,Sahlein Daniel43,Requena Ruiz Manuel44,Elijovich Lucas45,Arthur Adam45,Al-Shaibi Faisal1,Samaniego Edgar A.46,Duncan Kelsey R.1,Opaskar Amanda1,Ray Abhishek10,Xiong Wei1,Sunshine Jeffery10,DeGeorgia Michael1,Tjoumakaris Stavropoula11,Mendes Pereira Vitor47

Affiliation:

1. Neurology, University Hospital Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio

2. Clinical Neuroscience, University of Calgary, Calgary, Alberta, Canada

3. Cerebrovascular Center, Neurology, Cleveland Clinic, Cleveland, Ohio

4. Neurology, University of Kansas Medical Center, Kansas City

5. Neurosurgery and Radiology, University of Iowa Hospitals and Clinics, Iowa City

6. Neurosurgery, Rush University Medical Center, Chicago, Illinois

7. Neurology, University of Pennsylvania, Philadelphia

8. Medicine and Neurology, The Royal Melbourne Hospital, Melbourne, Australia

9. Neurosurgery, McGovern Medical School at UTHealth, Houston, Texas

10. Neurosurgery, University Hospital Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio

11. Neurosurgery, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania

12. Neuro-Interventional Radiology, OhioHealth, Riverside Methodist Hospital, Columbus

13. Neurology, OhioHealth, Riverside Methodist Hospital, Columbus

14. Internal Medicine, Hospital Clínico Universitario Valladolid, University of Valladolid, Valladolid, Spain

15. Neurosurgery, Cleveland Clinic, Cleveland, Ohio

16. Neurosurgery, Abington Jefferson Health, Abington, Pennsylvania

17. Neurology, Liverpool Hospital, Liverpool, Australia

18. Neurosurgery, Baptist Medical Center Jacksonville, Jacksonville, Florida

19. Neurology, Christchurch Hospital, Christchurch, New Zealand

20. Neurology, Hospital Universitari de Bellvitge, L’Hospitalet de Llobregat, Spain

21. Neurosurgery, Westchester Medical Center, NY Medical College, Valhalla, New York

22. Neurointerventional Surgery, Ascension Columbia St Mary’s Hospital, Milwaukee, Wisconsin

23. Neurology, Hospital Universitari Germans Trias i Pujol, Badalona, Spain

24. Internal Medicine, Toronto Western Hospital, Toronto, Ontario, Canada

25. Stroke Unit, Hospital Clínic de Barcelona, Barcelona, Spain

26. Neurology, Kaiser Permanente Southern California, Los Angeles

27. Neurology, Dell Medical School at The University of Texas at Austin, Ascension Texas, Austin

28. Neurology, Royal Adelaide Hospital, Adelaide, Australia

29. Interventioal and Diagnostic Imaging, McGovern Medical School at UTHealth, Houston, Texas

30. Neurology, Boston Medical Center, Boston, Massachusetts

31. Neurology, Icahn School of Medicine at Mount Sinai, New York, New York

32. Neurology, Stanford University, Stanford, California

33. Second Department of Neurology, School of Medicine, National and Kapodistrian University of Athens, “Attikon” University Hospital, Athens, Greece

34. Neurology, The Royal Melbourne Hospital, Melbourne, Australia

35. Neurology, Hospitals of University of Pennsylvania, Philadelphia

36. Mobile Stroke Unit, Memorial Hermann Hospital, Houston, Texas

37. Neurology, Hospital Vall d’Hebrón, Sabadell, Spain

38. Medicine and Neurology, The Royal Melbourne Hospital, The Florey Institute for Neuroscience and Mental Health, Melbourne, Australia

39. Neuroscience, Valley Baptist Medical Center, Harlingen, Texas

40. and the SELECT2 Collaborators

41. Neurosurgery, Liverpool Hospital, Liverpool, Australia

42. Hospital Universitari de Bellvitge, L’Hospitalet de Llobregat, Spain

43. Interventional Neuroradiology, Goodman Campbell Brain and Spine, Indianapolis, Indiana

44. Hospital Vall d’Hebrón, Barcelona, Spain

45. Semmes Murphey Clinic, Memphis, Tennessee

46. Neurology, University of Iowa Hospitals and Clinics, Iowa City

47. Neurology, St Michael’s Hospital, Toronto, Ontario, Canada

Abstract

ImportancePatients with large ischemic core stroke have poor clinical outcomes and are frequently not considered for interfacility transfer for endovascular thrombectomy (EVT).ObjectiveTo assess EVT treatment effects in transferred vs directly presenting patients and to evaluate the association between transfer times and neuroimaging changes with EVT clinical outcomes.Design, Setting, and ParticipantsThis prespecified secondary analysis of the SELECT2 trial, which evaluated EVT vs medical management (MM) in patients with large ischemic stroke, evaluated adults aged 18 to 85 years with acute ischemic stroke due to occlusion of the internal carotid or middle cerebral artery (M1 segment) as well as an Alberta Stroke Program Early CT Score (ASPECTS) of 3 to 5, core of 50 mL or greater on imaging, or both. Patients were enrolled between October 2019 and September 2022 from 31 EVT-capable centers in the US, Canada, Europe, Australia, and New Zealand. Data were analyzed from August 2023 to January 2024.InterventionsEVT vs MM.Main Outcomes and MeasuresFunctional outcome, defined as modified Rankin Scale (mRS) score at 90 days with blinded adjudication.ResultsA total of 958 patients were screened and 606 patients were excluded. Of 352 enrolled patients, 145 (41.2%) were female, and the median (IQR) age was 66.5 (58-75) years. A total of 211 patients (59.9%) were transfers, while 141 (40.1%) presented directly. The median (IQR) transfer time was 178 (136-230) minutes. The median (IQR) ASPECTS decreased from the referring hospital (5 [4-7]) to an EVT-capable center (4 [3-5]). Thrombectomy treatment effect was observed in both directly presenting patients (adjusted generalized odds ratio [OR], 2.01; 95% CI, 1.42-2.86) and transferred patients (adjusted generalized OR, 1.50; 95% CI, 1.11-2.03) without heterogeneity (P for interaction = .14). Treatment effect point estimates favored EVT among 82 transferred patients with a referral hospital ASPECTS of 5 or less (44 received EVT; adjusted generalized OR, 1.52; 95% CI, 0.89-2.58). ASPECTS loss was associated with numerically worse EVT outcomes (adjusted generalized OR per 1-ASPECTS point loss, 0.89; 95% CI, 0.77-1.02). EVT treatment effect estimates were lower in patients with transfer times of 3 hours or more (adjusted generalized OR, 1.15; 95% CI, 0.73-1.80).Conclusions and RelevanceBoth directly presenting and transferred patients with large ischemic stroke in the SELECT2 trial benefited from EVT, including those with low ASPECTS at referring hospitals. However, the association of EVT with better functional outcomes was numerically better in patients presenting directly to EVT-capable centers. Prolonged transfer times and evolution of ischemic change were associated with worse EVT outcomes. These findings emphasize the need for rapid identification of patients suitable for transfer and expedited transport.Trial RegistrationClinicalTrials.gov Identifier: NCT03876457

Publisher

American Medical Association (AMA)

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