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Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
43.4K
Stemless shoulder arthroplasty: current status.
1Aurora Advanced Healthcare, Milwaukee, WI, USA.
Journal of Shoulder and Elbow Surgery
|July 17, 2014
Summary
Stemless shoulder arthroplasty shows early promise with results comparable to traditional stemmed implants. Further clinical studies are needed to confirm long-term efficacy and safety.
Area of Science:
- Orthopedic surgery
- Biomaterials engineering
Background:
- The evolution of total shoulder arthroplasty has focused on reducing complications by shortening humeral stems.
- Stemless humeral arthroplasty components represent a recent innovation in shoulder replacement design.
Purpose of the Study:
- To review the current landscape of stemless shoulder arthroplasty components.
- To evaluate early clinical and radiographic outcomes of stemless shoulder arthroplasty.
Main Methods:
- Analysis of manufacturer data for five stemless shoulder arthroplasty components.
- Literature review of short-term results for stemless shoulder arthroplasty.
Main Results:
- Three stemless shoulder arthroplasty systems are undergoing US clinical trials, with initial availability anticipated in 2015.
- Early results suggest stemless designs offer clinical outcomes and implant stability similar to stemmed arthroplasty.
- Radiographic analysis shows no significant implant migration or subsidence at 2-3 year follow-up.
Conclusions:
- Stemless shoulder arthroplasty implants are available internationally, with promising early data.
- Further well-designed clinical studies are necessary to establish midterm and long-term outcomes.
- US clinical trials are underway, paving the way for potential wider adoption.
