Exposing the glenoid in shoulder arthroplasty.

Area of Science:

• Orthopedic Surgery
• Surgical Anatomy
• Biomedical Engineering

Background:

• Glenoid exposure is critical for accurate glenoid implant placement during shoulder arthroplasty.
• Standard surgical approaches include the deltopectoral and transdeltoid methods.
• The axillary nerve is a key anatomical structure near the glenoid, requiring careful consideration.

Purpose of the Study:

• To detail methods for achieving optimal glenoid exposure during shoulder arthroplasty.
• To describe techniques that facilitate the use of ancillary tools for precise implant positioning.
• To address challenges in accessing the glenoid in difficult and stiff shoulder cases.

Main Methods:

• Review of established surgical approaches for shoulder arthroplasty.
• Emphasis on the inferior glenohumeral release as a crucial step for glenoid visualization.
• Description of advanced techniques, including compression fracture, for increased surgical space in challenging cases.

Main Results:

• Inferior glenohumeral release effectively allows humerus retraction, exposing the glenoid face.
• In stiff shoulders, pectoralis major release, osteophyte resection, and posterior capsulectomy are preparatory steps.
• A compression fracture can provide necessary space for ancillary tools, aiding implant positioning.

Conclusions:

• Adequate glenoid exposure is paramount for successful shoulder arthroplasty.
• Specific surgical maneuvers, particularly inferior glenohumeral release, are vital for optimal visualization.
• Techniques to increase surgical space are effective in managing complex and stiff shoulder cases.