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Catalog
2018 AANS Annual Scientific Meeting
610. Distal Peroneal Nerve Decompression after Sci ...
610. Distal Peroneal Nerve Decompression after Sciatic Nerve Injury Secondary to Total Hip Arthroplasty
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Video Transcription
Video Summary
In this video, Dr. Wilson from Stanford discusses a study on distal perineal nerve decompression following sciatic nerve injuries after total hip replacement surgeries. It is mentioned that sciatic nerve injuries occur in about 0.5% of total hip replacement surgeries, resulting in foot drop as the main complication. The recovery rate for these injuries is relatively poor, with studies showing that only about 30-35% of patients recover to at least grade 3 function. The study involved reviewing 37 patients who underwent perineal nerve decompression at the fibular tunnel, and it was found that 65% of patients experienced good dorsiflexion outcomes. Factors that predicted a good surgical outcome were preoperative motor unit potentials in the tibialis anterior or peroneus longus muscles. The procedure was considered low-risk with potential benefits, but it is noted that further studies comparing it to conservative management are needed. The video also addresses the importance of visualizing the nerve injury with imaging studies and exploring proximal injuries if referred early enough. It concludes by cautioning on the need for careful consideration and expertise when performing decompression procedures.
Asset Caption
Thomas J. Wilson, MD
Keywords
distal perineal nerve decompression
sciatic nerve injuries
total hip replacement surgeries
foot drop
recovery rate
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