Clinical results of endoscopic sciatic nerve decompression for deep gluteal syndrome: Mean 2-year follow-up

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Abstract

Background: The purpose of this study is to assess the effectiveness of endoscopic sciatic nerve decompression and evaluated the differences of clinical results between atraumatic and traumatic groups. Methods: Sixty consecutive patients. We retrospectively reviewed sixty consecutive patients without major trauma (45 hips) or with major trauma (15 hips) groups to compare the outcomes of endoscopic treatment.). The mean follow-up period was 24 ± 2.6 months (range, 24-38.4 months). Results: The mean duration of symptoms was 14.1 months (range, 12 to 32 months). Compromising structures were piriformis muscle, fibrovascular bundles, and adhesion with scar tissues. The mean VAS score for pain decreased from 7.4 ± 1.5 to 2.6 ± 1.5 (P =.001). The mean mHHS increased from 81.7 ± 9.6 to 91.8 ± 7.6 (P =.003). Clinically, positive paresthesia and seated piriformis test were statistically significant to diagnosis sciatic entrapment syndrome. Paresthesia and sitting pain were significantly improved at the final follow-up (P =.002). More favorable outcome was observed a group without major trauma. No complication was observed. Conclusions: Endoscopic sciatic nerve decompression is a safe and effective procedure for the management of DGS. Patients with major trauma could have poor clinical outcome. Seated piriformis test, FADIR, and tenderness of sciatic notch are maybe useful guide for pre and postoperative evaluation of DGS.

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Park, M. S., Yoon, S. J., Jung, S. Y., & Kim, S. H. (2016). Clinical results of endoscopic sciatic nerve decompression for deep gluteal syndrome: Mean 2-year follow-up. BMC Musculoskeletal Disorders, 17(1). https://doi.org/10.1186/s12891-016-1062-3

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