Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 7/19/2025

Procedural Sedation for Shoulder Dislocation Reduction

Introduction to Sedation Protocol

  • The American College of Emergency Physicians recommends administering propofol with an initial dose of 1 mg/kg followed by 0.5 mg/kg supplemental doses as needed to maintain adequate sedation for procedural sedation in shoulder dislocation reduction 1, 2

Dosage and Administration

  • The initial bolus dose of propofol should be 1 mg/kg IV, with supplemental doses of 0.5 mg/kg IV as needed, allowing 20-30 seconds between supplemental doses to assess effect 1, 2
  • Consider combining propofol with an opioid analgesic, such as fentanyl 0.5-1 μg/kg prior to propofol administration, to improve analgesia and allow for lower total propofol doses 3

Monitoring and Equipment

  • Continuous pulse oximetry, blood pressure monitoring, cardiac monitoring, and capnography (optional but recommended) should be used during sedation, with a dedicated provider skilled in airway management monitoring the patient 1, 3
  • Airway equipment should be immediately available 1, 3

Pharmacological Properties

  • The onset of action of propofol is 2-4 minutes, with a recovery time of 14-18 minutes, which is shorter than alternatives like midazolam 3
  • Propofol has a shorter recovery time compared to midazolam (15-18 min vs. 76 min) 1

Adverse Effects

  • Oxygen desaturation <90% can occur in up to 30% of patients, with 1-3% requiring brief bag-mask ventilation 1
  • Transient decrease in blood pressure can occur in up to 84% of patients, with an expected decrease of 10-30% from baseline, and bradycardia can occur in approximately 6% of patients 1

Special Considerations

  • Avoid propofol in patients with allergies to egg, soy, or sulfite, but it is not contraindicated in patients with sulfonamide allergy 3
  • Careful dose titration is essential to minimize respiratory depression, and pre-treatment with fentanyl can reduce total propofol requirements 1, 3