American Journal of Neuroradiology 24:2039-2043, November-December 2003
© 2003 American Society of Neuroradiology
INTERVENTIONAL
Intraarterial Administration of Abciximab for Thromboembolic Events Occurring during Aneurysm Coil Placement
a From the Department of Interventional Neuroradiology, Fondation Rothschild, Paris, France
Address correspondence and reprint requests to Jacques Moret, MD, Service de Neuroradiologie Interventionnelle, Hôpital de la Fondation Rothschild, 25–29 rue Manin 75940 Paris Cedex 19, France
BACKGROUND AND PURPOSE: Platelet-derived thrombi may occur during intracranial aneurysm coiling. We report a series of 13 patients treated with intraarterial Abciximab for thrombus formation complicating aneurysm coiling.
METHODS: Four patients were treated for acutely ruptured aneurysms. Three procedures consisted of the retreatment of previously coiled aneurysms. Six patients had asymptomatic untreated aneurysms. Abciximab was administered intraarterially through a microcatheter as a bolus of 4–10 mg over a period of 10–20 minutes. All patients underwent postthrombolysis control angiography. They also underwent immediate pre- and postoperative cranial CT.
RESULTS: In 10/13 cases, the thrombi developed without coil protrusion into the parent artery. In one case, the thrombus was generated from the guiding catheter and embolized remote from the aneurysm site. In one case, the thrombus developed before any coil placement. In another patient, a coil loop protruded into the parent artery favoring a heightened thrombotic state. Arterial thrombi were totally occlusive in two patients, whereas in the remaining 11 cases, the thrombi were not totally obstructive. Complete recanalization was achieved in 92% (12/13) of cases within 20–30 minutes. Incomplete arterial reopening was noted in one case, in which a thrombus fragment embolized distally, causing cerebral infarction. There were no Abciximab-related intracranial hemorrhages.
CONCLUSION: Intraarterial Abciximab was effective in this series for the treatment of thrombotic complications occurring during aneurysm coiling.
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