• Marc Soubeyrand, Thomas Bauer, Nicolas Billot, Alain Lortat-Jacob, René Gicquelet, and Philippe Hardy.
• Department of Orthopaedic Surgery, Hôpital Universitaire de Bicêtre, and University of Paris-Sud, Le Kremlin-Bicetre, France.
• J Shoulder Elbow Surg. 2008 Jul 1; 17 (4): 616-23.

AbstractOperative treatment of suprascapular nerve entrapment consists of decompression of the nerve, either at the suprascapular notch or the spinoglenoid notch. The aim of this study was to describe new arthroscopic portals to approach these 2 notches at the same time. Twenty shoulders in 10 fresh frozen cadavers were investigated. Four portals were used in line with the scapular spine (S1, S2, S3, S4). The suprascapular pedicle was visualized passing under the supraspinatus muscle. The technique was performed for each specimen. The efficacy and safety of the technique were assessed by open dissection. No injury to the nerve was identified after performing the technique. Decompression was complete in 18 of 20 cases at the suprascapular notch and in all cases at the spinoglenoid notch. With this technique, arthroscopic decompression of the nerve at the suprascapular and spinoglenoid notches is anatomically possible.

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