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J Neurointerv Surg. 2014 Apr 1;6(3):200-4. doi: 10.1136/neurintsurg-2012-010629. Epub 2013 May 4.

Mechanical thrombectomy with the Solitaire device in acute basilar artery occlusion.

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Neurology Department, University Hospital Center of Montpellier, Gui de Chauliac Hospital, Montpellier, France.



To evaluate the efficacy and safety of mechanical thrombectomy with the Solitaire FR device in revascularization of patients with acute basilar artery occlusion (ABAO) and to identify the predictive factors for clinical outcome.


This prospective single-center study included 31 patients with acute ischemic stroke attributable to ABAO treated within the first 24 h after onset of symptoms with the Solitaire device. Nineteen patients simultaneously received intravenous thrombolysis. Recanalization rates after stent retrieval were determined and the clinical outcome and mortality rate were assessed 180 days after treatment.


The mean ±SD age of the patients was 61±17 years, the median prethrombectomy NIH Stroke Scale score was 38 (IQR 9-38) and the median Glasgow Coma Scale (GCS) score was 7 (IQR 4-14). Successful recanalization (TICI 3 or 2b) was achieved in 23 patients (74%). Five symptomatic intracranial hemorrhages were related to the procedure. Ten symptomatic distal migrations of thrombotic material occurred. A favorable outcome, defined as a modified Rankin Score (mRS) of 0-2, was observed in 35% of patients (11/31). Overall mortality rate was 32% (10/31). In the univariate analysis, elevated baseline glucose (p=0.008) was significantly associated with a poor outcome (mRS >2), whereas a tendency towards significance was observed with age (p=0.06), GCS on admission (p=0.07) and symptom-related lesions on T2 sequences (p=0.10). Patients with successful recanalization tended to have a better outcome (p=0.20).


Mechanical thrombectomy with the Solitaire FR device can rapidly and effectively contribute to a high rate of recanalization and improve functional outcome in patients with ABAO and has an acceptable complication rate.


Stroke; Thrombectomy

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