Endovascular Treatment for Basilar Artery Occlusion: Revisiting Evidence From Randomized Clinical Trials

Background Acute ischemic stroke attributed to basilar artery occlusion is known to be associated with high rates of mortality and disability. However, the previous clinical trials did not provide evidence to support the efficacy of endovascular treatment (EVT) in patients with basilar artery occlus...

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Main Authors: Sherief Ghozy, Amr Ehab El‐Qushayri, Mohamed Elfil, Alis J. Dicpinigaitis, Krishna Amuluru, Mohammad El‐Ghanem, Chirag D. Gandhi, Fawaz Al‐Mufti
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Stroke: Vascular and Interventional Neurology
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Online Access:https://www.ahajournals.org/doi/10.1161/SVIN.122.000655
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author Sherief Ghozy
Amr Ehab El‐Qushayri
Mohamed Elfil
Alis J. Dicpinigaitis
Krishna Amuluru
Mohammad El‐Ghanem
Chirag D. Gandhi
Fawaz Al‐Mufti
author_facet Sherief Ghozy
Amr Ehab El‐Qushayri
Mohamed Elfil
Alis J. Dicpinigaitis
Krishna Amuluru
Mohammad El‐Ghanem
Chirag D. Gandhi
Fawaz Al‐Mufti
author_sort Sherief Ghozy
collection DOAJ
description Background Acute ischemic stroke attributed to basilar artery occlusion is known to be associated with high rates of mortality and disability. However, the previous clinical trials did not provide evidence to support the efficacy of endovascular treatment (EVT) in patients with basilar artery occlusion. The purpose of this study was to provide updated evidence about EVT's benefits and safety profile with the recent update from both the Endovascular Treatment for Acute Basilar Artery Occlusion (ATTENTION) and the Basilar Artery Occlusion Chinese Endovascular Trial (BAOCHE) trials. Methods We searched for eligible articles from inception to November 1, 2022, in 5 databases and included all randomized controlled trials with no restrictions on the publication date or language. Meta‐analysis statistics were performed using R software version 4.2.1. Results The rate of modified Rankin scale score of 0 to 3 was significantly higher in the EVT group compared with best medical treatment (risk ratio [RR], 1.54 [95% CI, 1.16–2.04]; P value = 0.002), and the same was observed for the rate of modified Rankin scale score 0 to 2 (RR, 1.83 [95% CI, 1.08–3.08]; P value = 0.024). Moreover, there was a significant reduction in the 90‐day mortality in the EVT group (RR, 0.76 [95% CI, 0.65–0.89]; P value = 0.002). However, there was a significantly higher rate of symptomatic intracerebral hemorrhage in the EVT group compared with best medical treatment (RR, 7.48 [95% CI, 2.27–24.61]; P value <0.001). Conclusions EVT may confer a clinical benefit to patients with acute ischemic stroke caused by basilar artery occlusion. Because of the small number of included studies and because all of them were conducted in the Chinese population, further trials might be needed to confirm and further investigate the generalizability of these results.
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spelling doaj-art-5ed4e9bc15254cee948c3886dfe654d02025-01-11T08:01:41ZengWileyStroke: Vascular and Interventional Neurology2694-57462025-01-015110.1161/SVIN.122.000655Endovascular Treatment for Basilar Artery Occlusion: Revisiting Evidence From Randomized Clinical TrialsSherief Ghozy0Amr Ehab El‐Qushayri1Mohamed Elfil2Alis J. Dicpinigaitis3Krishna Amuluru4Mohammad El‐Ghanem5Chirag D. Gandhi6Fawaz Al‐Mufti7Department of Radiology Mayo Clinic Rochester MNNested Knowledge St Paul MNDepartment of Neurological Sciences University of Nebraska Medical Center Omaha NESchool of Medicine New York Medical College Valhalla NYDivision of Interventional Neuroradiology Goodman Campbell Brain and Spine, Ascension St. Vincent Medical Center Indianapolis INNeuroendovascular Surgery HCA Houston Northwest/University of Houston College of Medicine Houston TXDepartment of Neurosurgery Westchester Medical Center Valhalla NYDepartment of Neurosurgery Westchester Medical Center Valhalla NYBackground Acute ischemic stroke attributed to basilar artery occlusion is known to be associated with high rates of mortality and disability. However, the previous clinical trials did not provide evidence to support the efficacy of endovascular treatment (EVT) in patients with basilar artery occlusion. The purpose of this study was to provide updated evidence about EVT's benefits and safety profile with the recent update from both the Endovascular Treatment for Acute Basilar Artery Occlusion (ATTENTION) and the Basilar Artery Occlusion Chinese Endovascular Trial (BAOCHE) trials. Methods We searched for eligible articles from inception to November 1, 2022, in 5 databases and included all randomized controlled trials with no restrictions on the publication date or language. Meta‐analysis statistics were performed using R software version 4.2.1. Results The rate of modified Rankin scale score of 0 to 3 was significantly higher in the EVT group compared with best medical treatment (risk ratio [RR], 1.54 [95% CI, 1.16–2.04]; P value = 0.002), and the same was observed for the rate of modified Rankin scale score 0 to 2 (RR, 1.83 [95% CI, 1.08–3.08]; P value = 0.024). Moreover, there was a significant reduction in the 90‐day mortality in the EVT group (RR, 0.76 [95% CI, 0.65–0.89]; P value = 0.002). However, there was a significantly higher rate of symptomatic intracerebral hemorrhage in the EVT group compared with best medical treatment (RR, 7.48 [95% CI, 2.27–24.61]; P value <0.001). Conclusions EVT may confer a clinical benefit to patients with acute ischemic stroke caused by basilar artery occlusion. Because of the small number of included studies and because all of them were conducted in the Chinese population, further trials might be needed to confirm and further investigate the generalizability of these results.https://www.ahajournals.org/doi/10.1161/SVIN.122.000655basilar artery occlusionmechanical thrombectomyrandomized controlled trialsstroke
spellingShingle Sherief Ghozy
Amr Ehab El‐Qushayri
Mohamed Elfil
Alis J. Dicpinigaitis
Krishna Amuluru
Mohammad El‐Ghanem
Chirag D. Gandhi
Fawaz Al‐Mufti
Endovascular Treatment for Basilar Artery Occlusion: Revisiting Evidence From Randomized Clinical Trials
Stroke: Vascular and Interventional Neurology
basilar artery occlusion
mechanical thrombectomy
randomized controlled trials
stroke
title Endovascular Treatment for Basilar Artery Occlusion: Revisiting Evidence From Randomized Clinical Trials
title_full Endovascular Treatment for Basilar Artery Occlusion: Revisiting Evidence From Randomized Clinical Trials
title_fullStr Endovascular Treatment for Basilar Artery Occlusion: Revisiting Evidence From Randomized Clinical Trials
title_full_unstemmed Endovascular Treatment for Basilar Artery Occlusion: Revisiting Evidence From Randomized Clinical Trials
title_short Endovascular Treatment for Basilar Artery Occlusion: Revisiting Evidence From Randomized Clinical Trials
title_sort endovascular treatment for basilar artery occlusion revisiting evidence from randomized clinical trials
topic basilar artery occlusion
mechanical thrombectomy
randomized controlled trials
stroke
url https://www.ahajournals.org/doi/10.1161/SVIN.122.000655
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