Background: Complications with the use of the Artelon spacer in thumb carpometacarpal (CMC) joint arthritis include inflammation, osteolysis, and persistent pain. We evaluated our short-term results and complications.
Methods: A retrospective review of 29 patients was performed. Pre- and postoperative radiographs, operative techniques, complications, and subsequent surgeries were analyzed. Pearson's and chi-squared testing was used to identify associations between complications and surgical technique or preoperative radiographic criteria. The average age was age 51 ± 7.7 (34-66), average follow-up was 8 months (1-26).
Results: Twelve patients sustained complications. Nine patients displayed postoperative osteolysis. Four patients underwent conversion to CMC suspensionplasty due to persistent pain. The rate of revision surgery and radiographic postoperative osteolysis were not significantly associated with preoperative arthritis grade, metacarpal subluxation, or surgical techniques: fixation method, the bony surface(s) involved in the osteotomy, or spacer modifications.
Conclusions: Our study found a significant short-term complication rate following Artelon spacer arthroplasty of the CMC joint. This is higher than previously described. We could not identify any factors that were significantly associated with the complications. It is possible that the inherent instability of the joint or the material of the spacer is involved in implant failure. Further study is necessary to better define the indications for use and specific techniques for the use of the implant.
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| http://dx.doi.org/10.1007/s11552-011-9332-x | DOI Listing |
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