Arthroscopic subscapular sling procedure tied to low recurrent shoulder instability at 24 months follow-up: study
The arthroscopic subscapular sling for anterior shoulder instability has been developed after many years of cadaveric testing, biomechanical robot measurements, and improvements and enhancements of the surgical technique. The procedure stabilizes the shoulder with a semitendinosus tendon graft that reconstructs the torn labrum and provides a sling suspension around the subscapularis tendon. It provides both dynamic and static stability with the sling around the subscapularis tendon and the reconstruction of the anterior labrum.
Jan Arild Klungsøyr et al conducted a study to analyze the results of the subscapular sling procedure developed for anterior shoulder instability in patients with less than 10% anterior glenoid bone loss.
Patients were treated surgically with the arthroscopic subscapular sling procedure. A semitendinosus graft was used to reconstruct the anterior labrum and to establish a sling suspension around the upper part of the subscapularis tendon. The patients were followed up with radiographs (at 12 and 24 months). Magnetic resonance imaging (MRI) of the shoulder region and clinical examinations were performed at 3, 12, and 24 months. Recurrent dislocation was the primary endpoint. The Western Ontario Shoulder Instability Index (WOSI) and MRI results were secondary outcome measures. An independent physiotherapist assessed residual instability and range of motion.
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