Upon reviewing data for invoicing, project manager noticed subject had reported they had a tka (b)(6) 2015 on their 1 year follow-up questionnaire.Project manager contacted site to verify if this report was correct and to withdraw the subject.Summary: this complaint was identified through review of case report forms (crfs) submitted by the surgeons site as part of the (b)(6) study.At this time, information on the patient and revision procedure are limited to the information contained in the submitted crfs.The patient is a female, age (b)(6) at the time of the procedure.The patient underwent subchondroplasty of the medial femoral condyle to implant 5 cc's of accufill material into a bone marrow lesion on (b)(6) 2015.The patient reported minimal improvement in pain at one month after the procedure and then worsening of pain at 3 and 6 months.The patient reported no improvement in ikdc subjective scores (pain and function) at one month and then worsening in ikdc scores at 3 and 6 months.The patient underwent a knee arthroplasty on (b)(6) 2015.At the time of this report, no imaging, clinic notes or surgical documentation is available to review.The potential causes of the clinical symptoms leading to increased pain and decreased function reported by the patient and the reasons for knee arthroplasty cannot be determined.The status of the accufill implant material and surgical site also cannot be determined.Device not returned.
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