Exactech Equinoxe anatomic versus reverse total shoulder arthroplasty for primary osteoarthritis: case controlled comparisons using the machine learning-derived Shoulder Arthroplasty Smart score.

Journal: Journal of shoulder and elbow surgery
PMID: 39292145

Abstract

BACKGROUND: The role of reverse total shoulder arthroplasty (rTSA) for glenohumeral osteoarthritis (GHOA) with an intact rotator cuff remains unclear with prior investigations demonstrating similar patient-reported outcome measures (PROMs) to anatomic total shoulder arthroplasty (aTSA). However, legacy PROMs are subject to skewed distributions with many patients achieving the maximum possible score (ceiling scores). We evaluated a cohort of primary rTSAs performed for GHOA with an intact rotator cuff compared with a case-matched cohort of aTSAs using the Shoulder Arthroplasty Smart (SAS) score, a machine learning-derived outcome measure that eliminates the ceiling effect.

Authors

  • Erick M Marigi
    Department of Orthopaedic Surgery, Mayo Clinic, Jacksonville, FL, USA.
  • Kevin A Hao
    College of Medicine, University of Florida, Gainesville, FL, USA.
  • Richard J Friedman
    Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA.
  • Alexander T Greene
    Exactech, Inc., Gainesville, FL, USA.
  • Christopher P Roche
    Exactech, Inc., Gainesville, FL, USA.
  • Thomas W Wright
    Department of Orthopaedic Surgery & Sports Medicine, University of Florida, Gainesville, FL, USA.
  • Joseph J King
    Department of Orthopaedic Surgery & Sports Medicine, University of Florida, Gainesville, FL, USA.
  • Bradley S Schoch
    Department of Orthopaedic Surgery, Mayo Clinic, Jacksonville, FL, USA. Electronic address: schoch.bradley@mayo.edu.

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