Endovascular treatment of patients with stroke caused by anterior cerebral artery occlusions

MR CLEAN Registry Investigators, Erik M. Vos*, Manon Kappelhof, Sanne J. den Hartog, Jonathan M. Coutinho, Bart J. Emmer, Bob Roozenbeek, Wim H. van Zwam, Robert J. van Oostenbrugge, H. Bart van der Worp, Maarten Uyttenboogaart, Adriaan C.G.M. van Es, Charles B.L.M. Majoie, Diederik W.J. Dippel, Cacha M.P.C.D. Peeters-Scholte, Ido R. van den Wijngaard

*Corresponding author for this work

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Abstract

Background: Occlusion of the anterior cerebral artery (ACA) is uncommon but may lead to significant disability. The benefit of endovascular treatment (EVT) for ACA occlusions remains uncertain. Methods: We included patients treated with EVT and compared patients with ACA occlusions with patients who had internal carotid artery (ICA) or proximal (M1/M2) middle cerebral artery (MCA) occlusions from the MR CLEAN Registry. Primary outcome was the modified Rankin Scale score (mRS). Secondary outcomes were functional independence (mRS 0–2), National Institutes of Health Stroke Scale (NIHSS) score, delta-NIHSS (baseline minus NIHSS score at 24–48 h), and successful recanalization (expanded thrombolysis in cerebral infarction (eTICI) score 2b-3). Safety outcomes were symptomatic intracranial hemorrhage (sICH), periprocedural complications, and mortality. Results: Of 5193 patients, 11 (0.2%) had primary ACA occlusions. Median NIHSS at baseline was lower in patients with ACA versus ICA/MCA occlusions (11, IQR 9–14; versus 15, IQR 11–19). Functional outcome did not differ from patients with ICA/MCA occlusions. Functional independence was 4/11 (36%) in patients with ACA versus 1949/4815 (41%) in ICA/MCA occlusions; median delta-NIHSS was − 1 (IQR − 7 to 2) and − 4 (IQR − 9 to 0), respectively. Successful recanalization was 4/9 (44%), versus 3083/4787 (64%) in ICA/MCA occlusions. Mortality was 3/11 (27%) versus 1263/4815 (26%). One patient with ACA occlusion had sICH; no other complications occurred. Conclusion: In this cohort ACA occlusions were uncommon. Functional outcome did not differ between patients with ACA occlusions and ICA/MCA occlusions. Prospective research is needed to determine feasibility, safety, and outcomes of EVT for ACA occlusions.

Original languageEnglish
Pages (from-to)621-630
Number of pages10
JournalActa Neurologica Belgica
Volume124
Issue number2
Early online date12 Oct 2023
DOIs
Publication statusPublished - Apr 2024

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© The Author(s) 2023.

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