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Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
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Cement-within-cement technique in revision reverse shoulder arthroplasty
Eric R Wagner1, Matthew T Houdek1, Nicholas M Hernandez1
1Department of Orthopaedic Surgery, Mayo Clinic, Rochester, MN, USA.
Journal of Shoulder and Elbow Surgery
|February 25, 2017
Summary
Cement-within-cement humeral fixation in revision reverse shoulder arthroplasty offers good outcomes and survival rates. This technique preserves bone stock and provides pain relief with few complications.
Area of Science:
- Orthopedic Surgery
- Arthroplasty
- Biomaterials
Background:
- Revision reverse shoulder arthroplasty (rRSA) presents unique challenges.
- Humeral component fixation is critical for successful rRSA outcomes.
- Evaluating novel fixation techniques is essential for improving patient results.
Purpose of the Study:
- To assess the complications and outcomes of cement-within-cement humeral fixation in rRSA.
- To determine the safety and efficacy of this technique in a revision setting.
Main Methods:
- A cohort of 38 shoulders underwent cement-within-cement revision of the humeral component.
- Follow-up averaged 3.7 years.
- Clinical, radiologic, and survival outcomes were analyzed using established statistical methods.
Main Results:
- The cement-within-cement technique had an average operative time of 153 minutes.
- A 95% implant revision-free survival at 2 years and 91% at 5 years was observed.
- Patients reported significant pain relief, improved range of motion, and high satisfaction, with low complication rates.
Conclusions:
- Cement-within-cement humeral fixation is a viable option for rRSA.
- The technique demonstrates good medium-term survival, functional improvement, and bone preservation.
- It is a valuable consideration for maintaining humeral bone stock and implant stability.
