Arthroscopic Bone Block Procedure for Posterior Shoulder Instability: Updated Surgical Technique

Area of Science:

• Orthopedic Surgery
• Sports Medicine
• Arthroscopy

Background:

• Posterior shoulder instability affects 4.64 per 100,000 person-years, often due to trauma or repetitive microtrauma.
• Current surgical treatments like soft-tissue repair and bone block procedures have high complication (14%) and revision (67%) rates.
• Accurate graft placement and management of associated lesions remain surgical challenges.

Purpose of the Study:

• To describe an updated arthroscopic posterior bone block augmentation technique.
• To provide surgical tips and tricks for graft harvest and positioning.
• To improve outcomes for posterior shoulder instability surgery.

Main Methods:

• Description of an updated arthroscopic posterior bone block augmentation technique.
• Detailed guidance on graft harvesting and precise positioning.
• Focus on addressing challenges like screw orientation and concomitant lesions.

Main Results:

• The updated technique aims to enhance accuracy in graft placement and screw orientation.
• Expected outcome is a reduction in complication and revision rates.
• The technical note provides practical solutions for challenging aspects of the procedure.

Conclusions:

• The described updated arthroscopic posterior bone block augmentation offers a refined approach.
• This technique has the potential to improve surgical outcomes for posterior shoulder instability.
• Further refinement of surgical techniques is crucial for managing this condition effectively.