The physician performed an l4-l5 posterior fusion surgical procedure on (b)(6) 2016.Approximately 4 weeks following the surgical procedure, during a routine follow-up visit radiographic images revealed that both of the cephalad set screws had become loose and separated from the tulip heads of the cortical screws.The patient was returned to surgery on (b)(6) 2016 at which time the two caudal set screws were assessed and determined to be tight.The spinal construct was dissembled and the cortical screws were manually manipulated and determined to be tight with no evidence of loosening.The spinal construct was reassembled using the previously implanted cortical screws, two new rods, and four new set screws.On (b)(6) 2016, the patient was reported to be "doing very well".
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