Description of Event or Problem · 1
DURING EMBOLIZATION OF AN ARTERIOVENOUS MALFORMATION (AVM) WITH ONYX, STAFF NOTED THE ONYX WAS LEAKING OUT OF THE MID-PORTION OF THE MAGIC 1, 2FM CATHETER DURING THE 3RD INJECTION. THE ONYX SHOULD EXIT THE CATHETER AT THE TIP, NOT FROM THE MID-PORTION. THE PHYSICIAN HAD TO EMPLOY A SOLITAIRE DEVICE AND USE ASPIRATION TO RETRIEVE THE ONYX. PER THE OP NOTE, APPROXIMATELY 60% WAS RECAPTURED. A 2ND PHYSICIAN WAS CALLED IN TO ASSIST. MDS WORKED APPROXIMATELY 2.5 HOURS TO CORRECT THE ISSUE. ATTEMPTS WERE EVENTUALLY STOPPED TO PREVENT FURTHER HARM TO THE PATIENT. AS A RESULT OF THE EVENT, THE PATIENT HAS A LARGE RIGHT FRONTAL STROKE. SINCE THE EVENT, HE HAS DEVELOPED AN INTRACRANIAL HEMORRHAGE REQUIRING A CRANIECTOMY FOR DECOMPRESSION & HEMATOMA EVACUATION. HE REMAINS IN ICU WITH A POOR NEUROLOGICAL EXAM AND POOR PROGNOSIS.