Clinical Predictors for Optimal Forward Elevation in Primary Reverse Total Shoulder Arthroplasty

• Published in: Journal of shoulder and elbow arthroplasty 2019, Vol.3, p.2471549219831527-2471549219831527
• Main Authors: Sollaccio, David R, King, Joseph J, Struk, Aimee, Farmer, Kevin W, Wright, Thomas W
• Format: Article
• Language: English
• Subjects: Joint surgery; Original Scientific Research; Shoulder
• ISSN: 2471-5492; 2471-5492
• DOI: 10.1177/2471549219831527

Background Few studies in the literature analyze clinical factors associated with superoptimal and suboptimal forward elevation in primary reverse total shoulder arthroplasty (RTSA). We investigate the functional outcome stratified by shoulder elevation 12 months after primary RTSA and its correlation with selected clinical patient factors. Methods We analyzed prospectively collected data within a comprehensive surgical database on patients who had undergone primary RTSA between June 2004 and June 2013. Two hundred eighty-six shoulders were stratified into 2 groups: group I for shoulders that had achieved at least 145° of active forward elevation 12 months postoperatively (90th percentile of active forward elevation, 29 shoulders) and group II for shoulders that never achieved at least 90° of active forward elevation 12 months postoperatively (10th percentile of active forward elevation, 28 shoulders). Statistical analysis associated independent clinical variables with postoperative motion using univariate analysis followed by logistic regression. Results Active shoulder elevation of at least 90° was achieved 12 months postoperatively in 259 subjects (90%). Upon comparison with group II (