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How To Reduce Anterior Shoulder Dislocations Using External Rotation (Hennepin Technique)
Additional Considerations for the Hennepin Technique
Reduction attempts are more likely to succeed if patients are calm and can relax their muscles and not resist the procedure. Analgesia and sedation help patients relax, as may external distractions such as pleasant conversation. Procedural sedation and analgesia (PSA) is often needed if substantial pain, anxiety, and muscle spasm impede the procedure. Regional anesthesia can be used (eg, ultrasound-guided interscalene nerve block) but has the disadvantage of limiting post-reduction neurologic examination. 