Elbow
Total elbow arthroplasty: outcomes after triceps-detaching and triceps-sparing approaches

https://doi.org/10.1016/j.jse.2014.11.038Get rights and content

Background

Total elbow arthroplasty (TEA) is associated with high complication rates compared with other large-joint arthroplasties. The frequency and type of complication may differ, depending on the surgical approach. A comparison of outcomes with triceps-off and triceps-on approaches was investigated.

Methods

Seventy-three patients underwent 83 primary TEAs between 2003 and 2012. Forty-six elbows had a triceps-off approach, and 37 had a triceps-on approach. Results were reviewed at a mean of 4.2 years. Cementing technique was graded according to Morrey's criteria, and clinical outcomes were assessed by means of the Mayo Elbow Performance Score.

Results

There was no statistically significant difference between the triceps-off and triceps-on groups with regard to the patient's age, gender, preoperative Mayo Elbow Performance Score or range of motion, or previous surgery on the affected elbow. Among patients who underwent a TEA for an inflammatory arthropathy, there was a significant difference in outcome between groups with regard to final flexion, extension, arc of motion, and pronation. Cementing technique in the triceps-off group was adequate in 70%. In the triceps-on group, cementing technique was adequate in 92%. The complication rate in the triceps-off group was 32.6% and included 7 triceps ruptures. Three patients who had attempted repairs of the triceps rupture developed deep infections requiring multiple further surgeries. The complication rate in the triceps-on group was 8.1%.

Conclusion

A triceps-on approach in TEA results in consistently good clinical outcomes with no risk of triceps rupture, and the approach does not compromise the cement mantle. We believe that this approach will reduce complication rates in TEA.

Section snippets

Materials and methods

A list of all patients who underwent a TEA between 2003 and 2012 by the University of Cape Town Shoulder and Elbow Unit was obtained from a surgical database. These patients formed the study cohort, and their medical records and radiographs were reviewed. Exclusion criteria were revision TEAs and postoperative follow-up of <12 months. Data captured included patient demographics, range of motion preoperatively and at various stages postoperatively, surgical time, radiographic analysis of

Results

The cohort consisted of 62 women (9 bilateral) and 11 men (1 bilateral). The average age at surgery was 60 years (range, 24-89 years). Sixty TEAs were performed for an inflammatory arthropathy, 6 for acute fractures, 5 for post-traumatic osteoarthritis, 4 for hemophiliac arthropathies, 2 for distal humerus nonunions, 2 for failed internal fixations referred to our unit, 2 for primary osteoarthritis, 1 for an idiopathic arthropathy,4 and 1 for post-traumatic instability.

Duration of follow-up for

Discussion

In our cohort, the 15.2% incidence of triceps rupture in the triceps-detaching group is comparable to that of other studies that have assessed patients for this complication. Kelly et al12 found an 11% incidence of triceps insufficiency in 28 TEAs performed for inflammatory arthropathies by a triceps-reflecting approach with bone slivers. They chose to manage these patients conservatively and reported good outcomes. Hildebrand et al11 found an 8% incidence of triceps rupture in 39 TEAs by a

Conclusion

We believe that a triceps-on approach is the best way forward in TEA as it may eliminate the risk of triceps rupture, does not compromise cementing technique or duration of surgery, and results in a significant reduction in complication rates compared with the literature.

Disclaimer

The authors, their immediate families, and any research foundation with which they are affiliated have not received any financial payments or other benefits from any commercial entity related to the subject of this article.

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    Institutional Review Board approval: Department of Surgery, Departmental Research Committee, University of Cape Town, project number 2013/107.

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