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Osteolysis after rotator cuff repair with bioabsorbable anchors
1Klinik für Orthopädie und Unfallchirurgie, Klinikum rechts der Isar, Technischen Universität München, Ismaningerstrasse 22, Munich, Germany. hakanpilge@web.de
Archives of Orthopaedic and Trauma Surgery
|August 18, 2011
Summary
Osteolysis is common after rotator cuff repair with bioabsorbable anchors but does not impact clinical outcomes. Further research is needed to understand the long-term effects of osteolysis on rotator cuff repair success.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
- Radiology
Background:
- Bioabsorbable suture anchors are utilized in rotator cuff repair.
- Osteolysis, a potential complication, requires evaluation for its clinical impact.
Purpose of the Study:
- To assess the incidence of osteolysis following mini-open rotator cuff repair using first-generation bioabsorbable suture anchors.
- To determine the correlation between osteolysis and clinical/functional outcomes post-repair.
Main Methods:
- Retrospective clinical study of 30 patients with a mean 36-month follow-up.
- Patients underwent mini-open rotator cuff repair with bioabsorbable anchors.
- Assessment included Constant-Murley Score, radiographs, MRI, and isokinetic strength testing.
Main Results:
- Osteolytic changes were observed in 22 of 70 bio-anchors (Group A).
- No significant differences in range of motion or Constant-Murley Scores between groups with (A) and without (B) osteolysis.
- Similar rates of retears were noted in both groups (A: 2, B: 3).
Conclusions:
- A high rate of osteolysis was found after rotator cuff repair with bioabsorbable anchors.
- Osteolysis did not significantly affect clinical or functional outcomes in this cohort.
- Long-term effects of osteolysis require further investigation.