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Based on the age of the complaint, the exact course of events leading up to the root cause cannot likely be determined.The exact explant date is unknown.It is unknown if this complaint was previously reported to codman at the time of the event.The medical oncologist is no longer in active practice, so further details cannot be obtained from medical record.The discussion from the patient suggests a possible catheter occlusion blocked the catheter pathway to the artery.Catheter occlusion is a known complication to hepatic artery infusion therapy.Catheter occlusion can occur if the pump refill schedule is not maintained correctly and the pump runs dry or empties over the course of the refill period.Since the patient stated the pump was no longer needed, it is unclear if the pump was deliberately not refilled after therapy was completed and then later explanted, or if therapy was interrupted.
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