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Short-term outcomes of the Nexel total elbow arthroplasty
Mahdi Siala1, Gabriel Callamand1, Stephanie Delclaux1
1Department of Orthopedic Surgery, Hôpital Pierre-Paul Riquet, Toulouse, France.
Background:
Third-generation total elbow arthroplasties (TEAs) have shown better mechanical characteristics than older designs. However, these results remain purely mechanical and lack clinical evidence. The purpose of this study was to evaluate clinical and radiographic outcomes of the new-generation semiconstrained Nexel TEA performed at our center.
Materials And Methods:
Between 2015 and 2017, 9 Nexel TEAs were implanted in 9 patients (mean age 61 years, range 38-71). Indication for further surgery, range of motion, mean Mayo Elbow Performance Score (MEPS), Subjective Elbow Value (SEV), radiolucency lines, outcome measures that included implant survival, complications, and revisions were assessed.
Results:
The mean follow-up was 28 months (5-46 months). Average range of motion significantly improved from pre- to postoperation, with flexion from 120° (70°-140°) to 140° (130°-155°) and supination from 60° (0°-80°) to 80° (80°). Average MEPS improved from 33 (5-45) to 85 points (30-95). During the study period, 5 elbows (56%) experienced complications and 2 (22%) underwent revision. Aseptic humeral loosening was the main indication for revision. The survivorship rate without revision was 75% at 45 months.
Conclusions:
The short-term clinical results of the Nexel TEA are satisfactory. However, an unusually high rate of complications and revisions was observed, mainly at the humeral component. Further research with longer follow-up and more patients included are needed to validate this new prosthesis.
