It was reported that on: (b)(6) 2009: the patient was pre-operatively diagnosed with l3-l4 to l5-s1 disc degeneration with l4-l5 retrolisthesis and underwent the following procedures: l3-l4, l4-l5 and l5-s1 anterior lumbar interbody fusion with instrumentation.L3-l4, l4-l5 and l5-s1 bilateral posterolateral fusion with l3-s1 segmental instrumentation; placement of epidural catheter.As per op-notes, "i ultimately selected a trial spacer with 10 degrees of lordosis, 14 mm in height, 30 mm in depth and 33 mm in width for the l3-l4 space.This peek graft was obtained and filled with a mixture of rhbmp-2 and cancellous allograft bone chips.Small strips of rhbmp-2 and morselized cancellous allograft were placed in the posterior aspect of the disk space.Our peek graft was then impacted into the disc space.Same procedure was repeated at l4-l5 and l5-s1 disc.At l5-s1 level a 14mm height, 10 degree lordotic angled" post-op, patient was diagnosed with ectopic bone growth, an inflammatory reaction to rhbmp-2/acs, chronic pain, and additional surgeries.As a result, patient has required extensive medical treatment.Patient has never recovered from his surgery involving rhbmp-2/acs, and he continues to have daily severe disabling pain that prevents him from performing many basic activities of daily living.
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