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Latarjet in lateral decubitus vs. beach-chair: effect on screw inclination and coracoid graft positioning-A
1Mater Private Hospital, Brisbane, Queensland, Australia.
Background:
The Latarjet procedure has traditionally been performed in the beach-chair position. Optimizing graft position is one of the key factors to reduce failure, prevent redislocation, and minimize the risk of future arthritis.
Methods:
Seventeen consecutive Latarjet procedures were reviewed (8 beach-chair; 9 lazy lateral decubitus) performed between January 2020 and July 2025. All procedures were carried out with 2 partially threaded screws through the plate (Arthrex) and labrocapsular repair to position the bone block extra-articularly. In the lateral position, the procedure was performed with a modified surgical sequence, with coracoid harvesting undertaken first, followed by glenoid preparation. All patients underwent computed tomography scanning at 4 months to measure screw inclination angle, vertical and medial-lateral position of the graft, as well as early resorption and bony union.
Results:
All patients were male. The average age of the beach-chair and lateral groups was 27.4 and 32 years, respectively. The mean screw-to-glenoid face angle was 40.5° in the beach-chair group compared to 28.0° in the lateral group (P = .008). The average medial/lateral positioning of the graft was +4.6 ± 1.2 in the beach-chair versus 1.0 ± 2.8 mm in the lateral group. Vertical graft position and resorption of the superior aspect of the graft did not show significant differences between the 2 groups.
Conclusion:
The Latarjet procedure performed in the lateral decubitus position and changing surgical flow were associated with improvement of screw angle and medial/lateral graft positioning compared with the beach-chair position.
