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Updated: Feb 5, 2026

Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
Shoulder arthroplasty. Comorbidity as prognostic factor.
Matías J Esteras-Serrano1, Isabel M Ruiz-Hernández1, Josep O Gimferrer-Arriaga1
1Department of Orthopaedic Surgery and Traumatology, Hospital Son Llàtzer, Palma, Spain.
Fewer comorbidities improve shoulder replacement outcomes. Patients with more pre-surgery drugs, neurological disorders, or osteoporosis experienced worse functional recovery, highlighting the need to manage comorbidity before shoulder arthroplasty.
Area of Science:
- Orthopedic Surgery
- Reconstructive Surgery
- Patient Outcomes
Background:
- Preoperative comorbidity is a significant, yet understudied, factor influencing functional recovery after shoulder replacement.
- Existing research has not fully elucidated the correlation between patient comorbidities and post-arthroplasty functional outcomes.
Purpose of the Study:
- To clinically evaluate the impact of preoperative comorbidity on functional restoration following shoulder replacement surgery.
- To identify specific comorbidities and preoperative factors associated with varying degrees of functional recovery post-shoulder arthroplasty.
Main Methods:
- Retrospective analysis of 70 shoulder replacement cases between 2005 and 2016.
- Collected demographic data, comorbidity count, preoperative medication use, arthroplasty type, and complications.
- Assessed functional outcomes using the validated QuickDASH questionnaire.
Main Results:
- The QuickDASH score, a measure of upper limb function, directly correlated with the number of preoperative drugs and comorbidities.
- Neurological disorders and osteoporosis were specifically linked to poorer functional outcomes.
- Worse outcomes were also associated with female sex, alcohol consumption, and shoulder arthroplasty following proximal humeral fractures.
Conclusions:
- Minimizing preoperative comorbidities is crucial for achieving better functional results after shoulder replacement.
- Optimizing patients' clinical status and carefully considering comorbidities are essential for successful shoulder arthroplasty.
- Factors such as increased medication use, female gender, alcohol consumption, and fracture-related arthroplasty predict less favorable functional recovery.
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