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Use of a Bicortical Button to Safely Repair the Distal Biceps in a Two-Incision Approach: A Cadaveric Analysis
Jonathan D Barlow1, Ryan J McNeilan1, Amy Speeckaert1
1Hand and Upper Extremity Center, Department of Orthopaedics, The Ohio State University Medical Center, Columbus, OH.
Purpose:
No consensus has been reached on the most effective anatomic approach or fixation method for distal biceps repair. It is our hypothesis that, using a cortical biceps button through a 2-incision technique, the distal biceps can be safely and anatomically repaired.
Methods:
A 2-incision biceps button distal biceps repair was completed on 10 fresh-frozen cadavers. The proximity of the guide pin to the critical structures of the forearm, including the posterior interosseous nerve and recurrent radial artery, was measured. The location of repair was mapped and compared with anatomic insertion.
Results:
The average distance from the tip of the guide pin to the posterior interosseous nerve was 11.4 mm (range, 8-14 mm). The average distance from the tip of the guide pin to the recurrent radial artery was 12.5 mm (range, 8-19 mm). The distal biceps tendon was repaired to the anatomic insertion site on the tuberosity using the biceps button technique in all specimens.
Conclusions:
The 2-incision biceps button repair described here allows safe and accurate repair of the tendon to the radial tuberosity in this cadaveric study.
Clinical Relevance:
The goal of distal biceps repair is to safely, securely, and anatomically repair the torn biceps tendon to the radial tuberosity. The most commonly performed techniques (single anterior incision with cortical button and the double-incision procedure with bone tunnels and trough) have limitations. A 2-incision button repair safely and anatomically repairs the distal biceps tendon.
