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J Stroke Cerebrovasc Dis. 2008 Mar-Apr;17(2):55-7. doi: 10.1016/j.jstrokecerebrovasdis.2007.11.003.

Vertebrobasilar revascularization rates and outcomes in the MERCI and multi-MERCI trials.

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  • 1Oregon Stroke Center, Oregon Health and Science University, Portland, Oregon 97239, USA. lutseph@ohsu.edu

Abstract

OBJECTIVE:

Mortality of 40% to 86% and good outcomes in only 13% to 21% of patients beg for treatment options for basilar occlusion. This study determined outcomes of patients with vertebrobasilar occlusion treated with mechanical embolus removal in cerebral ischemia (MERCI) retriever mechanical thrombectomy.

METHODS:

Patients with vertebrobasilar occlusion in the MERCI and Multi-MERCI trials received treatment up to 8 hours after symptom onset. Recanalization was determined after retriever use and adjunctive therapy. Mortality and good outcomes, modified Rankin scale score 0-3, were determined at 90 days in patients who were recanalized and not recanalized.

RESULTS:

Recanalization occurred in 21 of 27 (78%) patients. Mortality was 44% and good outcomes were seen in 41%. Patients with recanalization tended to have better outcomes than those without.

CONCLUSIONS:

Outcomes in patients with vertebrobasilar occlusions treated with the MERCI retriever compared favorably with natural history reports and tended to be better in those patients with recanalization.

PMID:
18346645
[PubMed - indexed for MEDLINE]
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