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Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
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Sex-related differences in stemless total shoulder arthroplasty
Nicholas B Chang1, Ryan Bicknell2, Ryan Krupp3
1Roth|McFarlane Hand and Upper Limb Center, Western University, London, ON, Canada.
JSES International
|February 10, 2022
Summary
Patient sex does not impact functional outcomes after stemless shoulder arthroplasty. While men had better preoperative range of motion, this difference disappeared post-surgery. Operative times were shorter for women, with no difference in complications.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
- Reconstructive Surgery
Background:
- Stemless humeral implants are increasingly used in shoulder arthroplasty.
- Differences in male and female anatomy (size, strength, bone quality) may affect outcomes.
- Limited data exists on sex-related differences in stemless shoulder arthroplasty outcomes.
Purpose of the Study:
- To evaluate sex-related differences in clinical, functional, and radiographic outcomes.
- To compare outcomes between men and women undergoing stemless shoulder arthroplasty.
Main Methods:
- Retrospective review of 227 patients (143 men, 84 women) who had stemless shoulder arthroplasty.
- Comparison of clinical, functional, and radiographic outcomes including ASES scores, VAS pain, range of motion, radiolucencies, operative data, and complications.
- Statistical analysis using descriptive statistics, t-tests, chi-square tests, and logistic regression.
Main Results:
- Preoperatively, men showed significantly greater range of motion and ASES scores.
- At 2 years post-surgery, no significant differences were found between sexes in ASES scores, pain, active external rotation, implant migration, or radiolucencies.
- Mean operative time was 9 minutes longer in men (P<.01), with no significant differences in surgical complications or 3-year revision-free survival.
Conclusions:
- Patient sex is not a predictor of postoperative functional outcomes after stemless shoulder arthroplasty.
- Operative time was shorter in female patients.
- No significant differences in surgical complications were observed between men and women.
