D
Patient 1
DOPPLER SIGNAL NOT SATISFACTORY (POOR BLOOD FLOW) [DIRECTIONAL DOPPLER FLOW TESTS ABNORMAL]. UNDISSOLVED POLYMER PLUG [DEVICE ISSUE]. CASE DESCRIPTION: LITERATURE-SPONTANEOUS REPORT WAS RECEIVED ON 12/12/2012 FROM AN AUTHOR REGARDING A PATIENT (DEMOGRAPHICS NOT PROVIDED), INITIALS UNKNOWN. THIS REPORT WAS FROM A LITERATURE ARTICLE ENTITLED "A NOVEL REVERSE THERMOSENSITIVE POLYMER TO ARCHIVE TEMPORARY ATRAUMATIC VESSEL OCCLUSION IN INFRA-POPLITEAL BYPASSES". THE PATIENT'S MEDICAL HISTORY WAS SIGNIFICANT FOR SEVERE LEG ISCHEMIA. ON AN UNSPECIFIED DATE, THE PATIENT RECEIVED LEGOO INJECTION, INTRAVASCULARLY LOCALLY, ONE SYRINGE OF 1 ML FOR DISTAL VESSEL CONTROL DURING INFRA-POPLITEAL BYPASS SURGERY IN SEVERE LEG ISCHEMIA. THE LOT NUMBER FOR LEGOO WAS NOT PROVIDED. ON AN UNSPECIFIED DATE, DOPPLER SIGNALS ON THE TARGET VESSEL DISTAL TO THE ANASTOMOSES WERE NOT SATISFACTORY (POOR BLOOD FLOW). THE PATIENT'S INTRA-OPERATIVE ANGIOGRAPHY WAS PERFORMED. THIS SHOWED EVIDENCE OF RUN-OFF OCCLUSION POTENTIALLY DUE TO THE REMAINING INTRA-ARTERIAL POLYMER PLUG. FOGARTYS CATHETER WAS USED TO RETRIEVE THE UNDISSOLVED POLYMER DRUG AND THE PATIENT'S BACK FLOW WAS SUCCESSFULLY RE-ESTABLISHED. THE ACTION TAKEN WITH LEGOO WAS NOT PROVIDED. RELEVANT CONCOMITANT MEDICATIONS WERE NOT PROVIDED. THE REPORTER ASSESSED THE CASUAL RELATIONSHIP BETWEEN LEGOO AND BOTH THE EVENTS AS POSSIBLE.