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C-2774 - Influence of anatomical variations of the circle of Willis on mechanical thrombectomy with stent retrievers and balloon guide catheter

A. Velasco1, B. Buerke1, N. Münnich1, C. Sauerland1, R. Chapot2, W. Heindel1; 1 Muenster/DE 2 Essen/DE Type: Scientific Exhibit
Area of Interests: Interventional vascular, Neuroradiology brain, Anatomy
Imaging Technique: Catheter arteriography
Procedures: Recanalisation, Catheters, Thrombolysis
Special Focuses: Cerebral palsy, Ischemia / Infarction
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Aims and objectives: Mechanical thrombectomies (MT) with stent retrievers (SR) are recognized as a first therapy for patients with intracranial long vessel occlusion, a time window of less than 8 hours and presence of mismatch of at least more than 20%.1,2   Several studies revealed an increased effectiviness of MT[...]

Methods and materials:   (I) This retrospective study evaluated 103 consecutive patients treated for   acute ischemic stroke in the anterior circulation:    Inclusion criteria were:      - MCA and carotid terminus occlusions.   - Mechanical thrombectomy within 8 h.   -&nbs[...]

Results: (I) Baseline characterististics:    103 Patients with ICA or MCA occlusions:    Mean age, y, (SD)             70.6 ± 15.7             Women, n (%)              57 (55.3%) Occ[...]

Conclusion: No differences were found related to angiographic results, time of procedure and number of passes performed for mechanical thrombectomies with balloon guide catheter (BGC) and stent retriever (SR) in cases with ipsilateral partial or complete circle of Willis and isolated carotid. Therefore the fl[...]

Personal information: Aglaé Velasco González MD, University of Muenster, Dept. for Clinical Radiology, Neuroradiology, Muenster, Germany. Aglae.VelascoGonzalez@ukmuenster.de Nico Münnich MD, University of Muenster, Dept. for Clinical Radiology, Muenster, Germany.   Boris Buerke Prof., University of Muenster, Dept.[...]

References: 1. Jovin T.G. et al. Thrombectomy within 8 hours after symptom onset in ischemic stroke. Engl J Med, 2015.   2. Campbell B.C.V. et al. Endovascular therapy for ischemic stroke with perfusion-imaging selection. N Engl J Med, 2015.   3. Velasco A. et al. Comparison of a balloon guide cathete[...]

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