Direct catheter redirection of a symptomatic errant intracranial Silastic sphere embolus.
A patient with an arteriovenous malformation experienced a severe neurologic deficit during preoperative particulate embolization with Silastic spheres. Angiography and radiography showed that one sphere had become lodged in a normal branch of the middle cerebral artery. After several unsuccessful attempts at dislodgment, a Tracker catheter system was advanced directly to the site of the sphere, and the sphere was successfully dislodged. The neurologic deficit cleared immediately, and the sphere was redirected to an artery feeding the malformation.
Department of Diagnostic Radiology, Northwestern University Medical School, Northwestern Memorial Hospital, Chicago, IL 60611.
E J
EJ
Russell
J M
JM
Levy
D000328:Adult; D002404:Catheterization / Q000295:instrumentation / Q000379:methods*; D002533:Cerebral Angiography; D002536:Cerebral Arteries; D002543:Cerebral Hemorrhage / Q000000981:diagnostic imaging / Q000209:etiology / Q000628:therapy; D004621:Embolization, Therapeutic / Q000009:adverse effects* / Q000295:instrumentation / Q000379:methods; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000150:complications / Q000000981:diagnostic imaging / Q000628:therapy; D008297:Male; D008863:Microspheres; D011300:Preoperative Care / Q000379:methods; D012826:Silicone Elastomers
D012826:Silicone Elastomers