Introduction:Early reports of outpatient shoulder arthroplasty are promising, although a paucity of outcome data exists, particularly for the outpatient shoulder arthroplasty performed at a freestanding ambulatory surgery center (ASC).Methods:A retrospective analysis of 61 shoulder arthroplasty procedures (21 consecutive outpatients and 40 inpatients) was performed. Outpatient shoulder arthroplasties were conducted at a freestanding ASC using a multimodal pain regimen without the use of regional anesthesia. The primary outcome was 90-day postoperative complication rate. Secondary outcomes included 90-day hospital admissions or readmissions, emergency department and urgent care visits, revision surgeries, mortality, postoperative pain, and functional scores.Results:No major complications, readmissions, revision surgeries, or deaths occurred in the outpatient cohort. The rate of 90-day complications was 9.5% and 17.5% for the outpatient and inpatient cohorts, respectively. All patients who had their shoulder arthroplasty as an outpatient were discharged home the day of surgery. No complications related to the outpatient protocol were observed. However, 4.8% of those who had outpatient surgery visited an emergency department or urgent care within 90 days compared with 5.0% of those who had surgery as an inpatient.Discussion:Outpatient shoulder arthroplasty can be performed safely and predictably in select patients at an ASC using a multimodal pain regimen without regional nerve block.

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Background: Latissimus dorsi (LD) and teres major (TM) tendon transfers have been performed concurrently with reverse shoulder arthroplasty (RSA) to address combined loss of elevation and external rotation (CLEER) at the shoulder. The purpose of this prospective, randomized study was to compare RSA with and without LD-TM tendon transfer in patients with rotator cuff tear arthropathy and CLEER. Methods: Patients undergoing RSA for rotator cuff tear arthropathy who also had CLEER were randomized into the group undergoing RSA with tendon transfer or the group undergoing RSA without tendon transfer. The primary outcome measure was the Activities of Daily Living and External Rotation (ADLER) score 2 years after surgery. Secondary outcome measures included the Disabilities of the Arm, Shoulder and Hand (DASH) score, American Shoulder and Elbow Surgeons (ASES) score, and Simple Shoulder Test (SST) score. Results: Both the treatment and control groups showed significant improvements in the ability to perform activities of daily living requiring active external rotation measured by the ADLER score postoperatively. No significant difference in the ADLER, DASH, ASES, or SST score was found between the 2 groups at final follow-up. Resolution of the Hornblower sign occurred postoperatively in 58.3% of patients in the control group and 73.3% of those in the treatment group. Conclusion: No differences in the ADLER, DASH, ASES, and SST results were found between patients treated with RSA alone and those treated with RSA with LD-TM transfer for rotator cuff tear arthropathy and CLEER. Both groups showed significant improvements in all clinical outcome assessments including functional tasks that require active external rotation.

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In that many patients with unstable shoulders demonstrate instability in midrange positions, it is hoped that further study of living shoulders will lead to a more effective understanding of the nonligament mechanisms of shoulder stability and the ways in which these stabilizing mechanisms can be restored.

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Therapeutic Level IV.