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Patients who underwent reverse shoulder arthroplasty with humeral retroversion of at least 20° had no differences in clinical or radiologic outcomes compared with patients who had humeral retroversion of no more than 10°, results showed.
Alexander W. Aleem, MD, and colleagues categorized 64 patients undergoing reverse shoulder arthroplasty with the Zimmer Trabecular Metal Reverse Shoulder System (Zimmer Biomet) based on whether they had humeral retroversion of 10° or less (group A) or humeral retroversion of 20° or greater (group B). Researchers compared clinical outcomes, including American Shoulder and Elbow Surgeons (ASES) scores, range of motion and internal rotation function, as well as radiographic outcomes, between the two groups.
A comparison of the groups showed no clinical or statistically significant differences in ASES scores, as well as no differences in range of motion or the ability to perform tasks that required shoulder internal rotation. However, researchers noted statistical and clinical improvements in both groups postoperatively compared with preoperative scores. At final follow-up, group A had an average score of 77.8 and group B had an average score of 79.2. – by Casey Tingle
Disclosures: Aleem has received research support from Zimmer Biomet. Please see the full study for a list of all other authors’ relevant financial disclosures.
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