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Purpose The purpose of this study was to establish consensus statements via a modified Delphi process on revision surgery, rehabilitation and return to play, and clinical follow-up for anterior shoulder instability. Methods A consensus process on the treatment using a modified Delphi technique was conducted, with 65 shoulder surgeons from 14 countries across 5 continents participating. Experts were assigned to one of 9 working groups defined by specific subtopics of interest within anterior shoulder instability. Results The primary relative indications for revision surgery include symptomatic apprehension or recurrent instability, additional intra-articular pathologies, and symptomatic hardware failure. In revision cases, the differentiating factors that dictate treatment are the degree of glenohumeral bone loss and rotator cuff function/integrity. The minimum amount of time before allowing athletes to return to play is unknown, but other factors should be considered, including restoration of strength, range of motion and proprioception, and resolved pain and apprehension, as these are prognostic factors of reinjury. Additionally, psychological factors should be considered in the rehabilitation process. Patients should be clinically followed up for a minimum of 12 months or until a return to full, premorbid function/activities. Finally, the following factors should be included in anterior shoulder instability-specific, patient-reported outcome measures: function/limitations impact on activities of daily living, return to sport/activity, instability symptoms, confidence in shoulder, and satisfaction. Conclusion Overall, 92% of statements reached unanimous or strong consensus. The statements that reached unanimous consensus were indications and factors affecting decisions for revision surgery, as well as how prior surgeries impact procedure choice. Furthermore, there was unanimous consensus on the role of psychological factors in the return to play, considerations for allowing return to play, as well as prognostic factors. Finally, there was a lack of unanimous consensus on recommended timing and methods for clinical follow-up. Level of Evidence Level V, expert opinion.

Purpose The purpose of this study was to establish consensus statements via a modified Delphi process on the Latarjet procedure, remplissage, and glenoid-bone grafting for anterior shoulder instability. Methods A consensus process on the treatment utilizing a modified Delphi technique was conducted, with 65 shoulder surgeons from 14 countries across 5 continents participating. Experts were assigned to one of 9 working groups defined by specific subtopics of interest within anterior shoulder instability. Results The technical approaches identified in the statements on the Latarjet procedure and glenoid bone-graft were that a subscapularis split approach should be utilized, and that it is unclear whether a capsular repair is routinely required. Furthermore, despite similar indications, glenoid bone-grafting may be preferred over the Latarjet in patients with bone-loss greater than can be treated with a coracoid graft, and in cases of surgeon preference, failed prior Latarjet or glenoid bone-grafting procedure, and epilepsy. In contrast, the primary indications for a remplissage procedure was either an off-track or engaging Hill-Sachs lesion without severe glenoid bone loss. Additionally, in contrast to the bone-block procedure, complications following remplissage are rare, and loss of shoulder external rotation can be minimized by performing the tenodesis via the safe-zone and not over medializing the fixation. Conclusion Overall, 89% of statements reached unanimous or strong consensus. The statements that reached unanimous consensus were the prognostic factors that are important to consider in those undergoing a glenoid bone-grafting procedure including age, activity level, Hill-Sachs Lesion, extent of glenoid bone-loss, hyperlaxity, prior surgeries, and arthritic changes. Furthermore, there was unanimous agreement that it is unclear whether a capsular repair is routinely required with a glenoid bone graft, but it may be beneficial in some cases. There was no unanimous agreement on any aspect related to the Latarjet procedure or Remplissage. Level of Evidence Level V: expert opinion.

The purpose of the study was to assess the repair site integrity after transosseous equivalent/suture-bridge (TOE/SB) repair with the use of magnetic resonance imaging (MRI).One hundred seven consecutive shoulders with a small to medium-size full-thickness supraspinatus tear were repaired arthroscopically with use of the TOE/SB technique. There were 64 men and 41 women, and mean age at the time of surgery was 54.8 years (range, 21 to 74 years). All patients underwent postoperative MRI and clinical examination. Mean follow-up was 16.1 months (range, 12 to 28 months).The mean Constant score improved from 54.5 ± 12.5 points preoperatively to 80 ± 12.1 points postoperatively (P.0001). The mean pain score improved from 7 ± 2 points preoperatively to 13 ± 2.5 postoperatively (P.0001). The mean active forward flexion improved from 151° ± 37° preoperatively to 169° ± 14° postoperatively (P.0001). The mean Constant score was 81 points when repaired tendon had healed and it was 72.6 points when repaired tendon was unhealed (P = .02). Smoking status was found to have detrimental influence on the tendon healing (P = .04). Postoperative MRI showed a healed repair in 96 (89.7%) of 107 shoulders. Among 11 retears, 10 occurred at the greater tuberosity and 1 occurred at the musculotendinous junction.Arthroscopic TOE/SB repair of full-thickness supraspinatus tendon led to a healing rate of 89.7%. Patients with healed tendons according to MRI had significant better functional and subjective outcome. Smoking habit was found to be detrimental on healing. Retears occurred mainly at tendon-bone interface at the greater tuberosity, whereas medial cuff failure was observed in only one case in the mean time of follow-up.Level IV, therapeutic case series.