Reperfusion Without Functional Independence in Late Presentation of Stroke With Large Vessel Occlusion

Author:

Seker Fatih1ORCID,Qureshi Muhammad M.23ORCID,Möhlenbruch Markus A.1ORCID,Nogueira Raul G.4ORCID,Abdalkader Mohamad2ORCID,Ribo Marc5ORCID,Caparros Francois6ORCID,Haussen Diogo C.7ORCID,Mohammaden Mahmoud H.7ORCID,Sheth Sunil A.8ORCID,Ortega-Gutierrez Santiago9ORCID,Siegler James E.10ORCID,Zaidi Syed F.11,Olive-Gadea Marta5ORCID,Henon Hilde6ORCID,Castonguay Alicia C.11ORCID,Nannoni Stefania12ORCID,Kaesmacher Johannes1314ORCID,Puri Ajit S.15,Farooqui Mudassir9ORCID,Salazar-Marioni Sergio8ORCID,Kuhn Anna L.15ORCID,Kiley Nicole L.2ORCID,Farzin Behzad16ORCID,Boisseau William16ORCID,Masoud Hesham E.17ORCID,Lopez Carlos Ynigo17ORCID,Rana Ameena10,Abdul Kareem Samer18ORCID,Sathya Anvitha2ORCID,Klein Piers2ORCID,Kassem Mohammad W.18ORCID,Cordonnier Charlotte6ORCID,Gralla Jan13ORCID,Fischer Urs1920ORCID,Michel Patrik12ORCID,Strambo Davide12ORCID,Jovin Tudor G.10ORCID,Raymond Jean16ORCID,Zaidat Osama O.18ORCID,Ringleb Peter A.21ORCID,Nguyen Thanh N.222ORCID,Nagel Simon2123ORCID

Affiliation:

1. Neuroradiology (F.S., M.A.M., ), Heidelberg University Hospital, Germany.

2. Radiology (M.M.Q., M.A., N.L.K., A.S., P.K., T.N.N.), Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, MA.

3. Radiation Oncology (M.M.Q.), Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, MA.

4. Neurology, University of Pittsburgh Medical Center, PA (R.G.N.).

5. Neurology, Vall d’Hebron Research Institute, Vall D’Hebron University Hospital, Hospital Vall d’Hebron, Barcelona, Spain (M.R., M.O.-G.).

6. University Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience & Cognition, F-59000 Lille, France (F.C., H.H., C.C.).

7. Neurology, Grady Memorial Hospital, Emory University School of Medicine, Atlanta, GA (D.C.H., M.H.M.).

8. Neurology, UTHealth McGovern Medical School, Houston, TX (S.A.S., S.S.-M.).

9. Neurology, University of Iowa, Iowa City (S.O.-G., M.F.).

10. Cooper Neurological Institute, Cherry Hill, NJ (J.E.S., A.R., T.G.J.).

11. Neurology, University of Toledo, OH (S.F.Z.‚ A.C.C.).

12. Stroke Center, Department of Clinical Neurosciences, Department of Clinical Neurosciences‚ and Neurology Service‚ Lausanne University Hospital, University of Lausanne, Switzerland (S.N., P.M., D.S.).

13. Diagnostic and Interventional Neuroradiology (J.K., J.G.), University Hospital Bern, Switzerland.

14. Interventional and Pediatric Radiology (J.K.), University Hospital Bern, Switzerland.

15. Neurointerventional Radiology, University of Massachusetts, Worcester (A.S.P., A.L.K.).

16. Interventional Neuroradiology, Centre Hospitalier de l’Université de Montréal, Canada (B.F., W.B., J.R.).

17. Neurology, State University of New York, Upstate Medical University Hospital, Syracuse (H.E.M., C.Y.L.).

18. Neuroscience, Bon Secours Mercy Health St. Vincent Hospital, Toledo, OH (S.A.K., M.W.K., O.O.Z.).

19. Neurology, University Hospital Bern, University of Bern, Switzerland (U.F.).

20. Neurology, University Hospital Basel, University of Basel, Switzerland (U.F.).

21. Neurology (P.A.R., S.N.), Heidelberg University Hospital, Germany.

22. Neurology (T.N.N.), Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, MA.

23. Neurology‚ Klinikum Ludwigshafen‚ Ludwigshafen A.R.‚ Germany (S.N.).

Abstract

Background: Reperfusion without functional independence (RFI) is an undesired outcome following thrombectomy in acute ischemic stroke. The primary objective was to evaluate, in patients presenting with proximal anterior circulation occlusion stroke in the extended time window, whether selection with computed tomography (CT) perfusion or magnetic resonance imaging is associated with RFI, mortality, or symptomatic intracranial hemorrhage (sICH) compared with noncontrast CT selected patients. Methods: The CLEAR study (CT for Late Endovascular Reperfusion) was a multicenter, retrospective cohort study of stroke patients undergoing thrombectomy in the extended time window. Inclusion criteria for this analysis were baseline National Institutes of Health Stroke Scale score ≥6, internal carotid artery, M1 or M2 segment occlusion, prestroke modified Rankin Scale score of 0 to 2, time-last-seen-well to treatment 6 to 24 hours, and successful reperfusion (modified Thrombolysis in Cerebral Infarction 2c–3). Results: Of 2304 patients in the CLEAR study, 715 patients met inclusion criteria. Of these, 364 patients (50.9%) showed RFI (ie, mRS score of 3–6 at 90 days despite successful reperfusion), 37 patients (5.2%) suffered sICH, and 127 patients (17.8%) died within 90 days. Neither imaging selection modality for thrombectomy candidacy (noncontrast CT versus CT perfusion versus magnetic resonance imaging) was associated with RFI, sICH, or mortality. Older age, higher baseline National Institutes of Health Stroke Scale, higher prestroke disability, transfer to a comprehensive stroke center, and a longer interval to puncture were associated with RFI. The presence of M2 occlusion and higher baseline Alberta Stroke Program Early CT Score were inversely associated with RFI. Hypertension was associated with sICH. Conclusions: RFI is a frequent phenomenon in the extended time window. Neither magnetic resonance imaging nor CT perfusion selection for mechanical thrombectomy was associated with RFI, sICH, and mortality compared to noncontrast CT selection alone. Registration: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT04096248.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Advanced and Specialized Nursing,Cardiology and Cardiovascular Medicine,Neurology (clinical)

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