Ultrasound-guided blocks for shoulder surgery

Area of Science:

• Anesthesiology
• Regional Anesthesia
• Surgical Procedures

Background:

• Optimal perioperative anesthesia and analgesia are crucial for ambulatory shoulder surgery.
• Recent advancements have improved understanding of nerve block techniques and outcomes.

Purpose of the Study:

• To review and synthesize recent (12-18 months) advances in perioperative anesthesia for ambulatory shoulder surgery.
• To evaluate the effectiveness and safety of different nerve block approaches.

Main Methods:

• Review of recent studies on nerve block dosing, techniques, and complications.
• Correlation of postoperative complications with brachial plexus anatomy.
• Evidence synthesis supporting supraclavicular block as an alternative to interscalene block.

Main Results:

• Studies explored optimal dosing and techniques for single-shot and continuous nerve blocks.
• Evidence supports supraclavicular brachial plexus block as an equivalent alternative to interscalene block.
• Postoperative neurological and respiratory complications were analyzed in relation to block techniques.

Conclusions:

• Supraclavicular block is likely to gain popularity for shoulder surgery.
• Further large-scale trials are required to establish supraclavicular block superiority over interscalene block.
• Ultrasound guidance and continuous anesthetic infusions are improving interscalene block performance.