Ketamine Administration for Pediatric Bone Fracture Reduction

Recommended Route and Dosing

• The American College of Emergency Physicians recommends IV ketamine at 1.5-2 mg/kg for adequate sedation in pediatric patients undergoing bone fracture reduction procedures 1, 2
• IV ketamine has a rapid onset of action, typically within 30-96 seconds, allowing for quick procedural intervention 2
• Recovery time with IV ketamine averages 84 minutes (range: 22-215 minutes) 2

Administration Protocol

• The American Heart Association recommends ensuring continuous monitoring of vital signs, including oxygen saturation, heart rate, and blood pressure, during ketamine administration 3
• Patients should maintain oxygen saturation >93% on room air during the procedure 1

Efficacy and Safety Considerations

• Studies show that 1.5 mg/kg IV ketamine results in only 5.5% of patients requiring additional doses, compared to 54% of patients requiring additional doses when 1 mg/kg was used 1
• All patients receiving appropriate dosing achieve adequate sedation for reduction procedures 2
• Common side effects of ketamine include emesis (7-8% of patients), nausea (4-5% of patients), ataxia (7-8% of patients), and dysphoria (1% of patients) 2

Clinical Pearls

• Consider adding midazolam (0.05 mg/kg) to reduce the risk of emergence reactions, particularly in older children 2

Ketamine for Pediatric Bone Reduction Procedures

Unique Benefits of Ketamine

• Ketamine functions as a dissociative agent through N-methyl-D-aspartate glutamate receptor antagonism, providing potent sedation, analgesia, and amnesia simultaneously during painful procedures like bone reductions 4, 5
• Studies show ketamine/midazolam combinations have significantly lower observed distress scores during orthopedic manipulations compared to alternatives like fentanyl/midazolam (OSBD-R scores of 1.12 vs 2.70, P<0.0001) 4

Safety Profile Advantages

• Ketamine demonstrates a superior respiratory safety profile compared to other sedative combinations, with a lower incidence of hypoxemia compared to fentanyl/midazolam (6% vs 24%, P=0.001) 6
• The incidence of serious adverse events like laryngospasm is very low (0.9-1.4%) 4

Patient and Provider Satisfaction

• Parental satisfaction is consistently high with ketamine sedation, with 92-99% rating the experience as "excellent" or "good" 4
• Physician satisfaction is similarly high, with 88% rating ketamine sedation as "excellent" or "good" 4