• Richard I Aviv, Richard O'Neill, Maneesh C Patel, and Iain R Colquhoun.
• Neuroradiology Section, Imaging Department, Charing Cross Hospital, London, United Kingdom.
• AJNR Am J Neuroradiol. 2005 Aug 1;26(7):1744-50.

Background And PurposeExperience with intravenous abciximab to manage thromboembolism during treatment of ruptured intracranial aneurysms is limited. We present our experience in 13 patients.MethodsWe retrospectively reviewed all patients with thromboembolic complications during endovascular management of ruptured intracranial aneurysms. Thromboembolic complications were treated with intravenous abciximab. We recorded patient and aneurysm demographics, aneurysm occlusion, drug therapy, complications, and outcomes.ResultsWorld Federation of Neurological Surgeons Grades were 1 or 2 in 11 patients (85%). Median time from diagnostic angiography to treatment was 1 day. Ten (77%) aneurysms involved the anterior or posterior communicating artery, and one each occurred in the posterior inferior cerebellar artery, middle cerebral artery, and basilar regions. Eleven aneurysms were <10 mm. Five were incompletely occluded (0%-90% treated) at the time of the complication. Thromboembolic complications were at the coil-ball/parent-artery interface in nine patients (69%). Two were associated with coil-loop prolapse; one was prophylactically treated without evidence of thromboembolism. Five patients (38%) had distal complications; one also had a proximal thrombus. All patients received an intravenous bolus of abciximab (5-10 mg in 92%) without infusion. Postprocedural recanalization was complete in eight (62%) and partial in four (31%). Eleven patients (85%) had a Glasgow Outcome Scale score of 1 at 3 months. One had a poor outcome (GOS4). One died following additional coiling after abciximab administration, though this intervention was uneventful in three others.ConclusionAbciximab completely or partially treated thromboembolic complications arising during coiling of ruptured aneurysms. Further coiling should be performed with extreme caution and needs to be decided on a patient-by-patient basis.

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