The number of dislocations and age at first dislocation are the most significant predictors of glenoid bone loss in anterior shoulder instability.

Reverse shoulder arthroplasty indication is steadily increasing in acute displaced proximal humeral fracture. Pain and articular movement results appear better than those with hemiarthroplasty. Our data are similar to the international literature.

This device permits to obtain transosseous sutures with cortical fixation; to greatly reduce the problems of lack of bone resistance; to decrease motion at tendon-footprint interface improving fatigue resistance; to make the stress-load distribution homogeneous at the footprint, thus optimizing biological healing. A later evaluation will be necessary, especially for the incidence of retears.

Hertel's criteria are important in the surgical planning, but they are not sufficient: an accurate evaluation of the calcar area fracture in three planes is required. All fractures involving calcar area should be studied with CT.

Agreement between 2D (MPR) and 3D (VR) CT measurements to identify the size and type of glenoid-bone defect in anterior glenohumeral instability was so high that the two measurements can be considered interchangeable.

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Transosseous rotator cuff tear repair was first described in 1944. Over the years, it has represented the gold standard for such lesions. Through open and mini-open approaches, as well as the arthroscopic approach, the transosseous repair system represents one of the most reliable surgical techniques from a biological and mechanical perspective. Nevertheless, further improvements are required. This article describes an arthroscopic rotator cuff tear transosseous repair system, developed in collaboration with NCS Lab (Carpi, Italy): the Sharc-FT using the Taylor Stitcher. Our first experience in the clinical application of the arthroscopic technique using the transosseous suture system has shown encouraging clinical outcomes, confirming its efficacy. The patient satisfaction rate was high, and no patient expressed concern about the implant. The complication rate was very low. By improving the suture technique in the treatment of rotator cuff tears, a remarkable increase in the success rate in the treatment of this pathology could be reached; nevertheless, complications such as retears of the rotator cuff still occur.