It was reported that during a deep brain stimulation (dbs) implant procedure, the patient experienced bleeding in the left hemisphere of the brain.The bleeding occurred when the physician used a cannula that was not manufactured by boston scientific to insert a lead in the left hemisphere however, the physician continued with the dbs implantation with no further incidents.Postoperatively, two computerized tomography (ct) scans were performed which confirmed the presence of a hematoma and major hemorrhage in the left hemisphere.Additionally, the patient remained unresponsive postoperatively and was therefore admitted to the intensive care unit (icu) where the patient then died.The physician assessed the suspected reason for the bleeding was coagulopathy which was not detected in preoperative analysis of the patient.
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