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Revision Rotator Cuff Repair With Versus Without an Arthroscopically Inserted Onlay Bioinductive Implant in Workers'
Ryan S Ting1, Yao Chen Loh1, Ron Rosenthal1
1Orthopaedic Research Institute, Saint George Hospital Campus, University of New South Wales, Sydney, Australia.
Orthopaedic Journal of Sports Medicine
|June 22, 2023
Summary
Onlay bioinductive implants did not improve repair integrity or clinical outcomes in revision rotator cuff repair for workers' compensation patients. This study found no significant differences compared to standard repair methods.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
- Regenerative Medicine
Background:
- Rotator cuff repair augmentation with biological grafts shows promise.
- Difficult rotator cuff tears often require advanced augmentation techniques.
Purpose of the Study:
- To evaluate bioinductive implants for revision arthroscopic rotator cuff repair in workers' compensation patients.
- To assess the impact on repair integrity, tendon healing, and functional outcomes.
Main Methods:
- A matched-cohort study compared bioinductive implant use (n=19) versus standard repair (n=32).
- Repair integrity was assessed via retear rates using Kaplan-Meier curves.
- Secondary outcomes included elastography and functional assessments up to 6 months post-surgery.
Main Results:
- No significant difference in retear rates between the bioinductive implant group (16% at 6 months) and the control group (19%).
- Elastography showed unchanged tendon stiffness in the implant group, below healthy tendon levels.
- No significant differences in patient- or surgeon-reported outcomes at 6 months.
Conclusions:
- Onlay bioinductive implants did not demonstrate improved repair integrity in revision rotator cuff repair.
- No significant clinical outcome benefits were observed compared to standard revision repair in this cohort.
- Further research may be needed to identify specific indications for bioinductive implants in rotator cuff repair.
