Triceps-sparing ulnar approach for total elbow arthroplasty

Area of Science:

• Orthopedic Surgery
• Arthroplasty
• Biomechanics

Background:

• Triceps insufficiency is a potential complication following total elbow arthroplasty.
• The triceps-sparing ulnar approach has been utilized since 2008 to mitigate this risk.

Purpose of the Study:

• To evaluate the clinical results of the triceps-sparing ulnar approach in total elbow arthroplasty.
• To assess the post-operative alignment of prostheses using this surgical technique.

Main Methods:

• Retrospective review of 25 elbows in 23 patients who underwent total elbow arthroplasty with a triceps-sparing ulnar approach.
• Clinical outcomes assessed using Japanese Orthopaedic Association Elbow Score, Mayo Elbow Performance score, and Manual Muscle Testing for triceps strength.
• Implant alignment evaluated using 3D-CT scans.

Main Results:

• No cases of triceps insufficiency were reported.
• High mean functional scores (JOA: 90.8, MEPS: 93.8) and good range of motion (135°/-8°).
• Satisfactory implant alignment with minimal deviation and no radiolucent lines or loosening observed on final radiographs.

Conclusions:

• The triceps-sparing ulnar approach is effective in preventing post-operative triceps insufficiency.
• This technique allows for satisfactory implant alignment and yields favorable short-term clinical results in total elbow arthroplasty.