Pediatric anesthesia & critical care
Reconsidering injection volume for caudal epidural block in young pediatric patients: a dynamic flow tracking experimental study
Authors' conclusion
Local anesthetics of 0.223, 0.591, and 0.797 mL.kg-1 could provide sufficient analgesia for localized foot, knee, and hip surgeries, respectively.
Study context
- Population
- Patients aged 6–24 months undergoing foot surgery under GA39 with flow tracking available
- Participants
- 40 patients
- Outcome
- Required volume of local anesthetics to reach each level of interlaminar space
Methodological detailsdynamic ultrasound flow tracking
- Dynamic ultrasound flow tracking
Main finding
As reported in the abstract
Required volume to reach each interlaminar level
- L5-S1 (mL.kg-1)
- 0.125
- L4-L5 (mL.kg-1)
- 0.223
- L3-L4 (mL.kg-1)
- 0.381
- L2-L3 (mL.kg-1)
- 0.591
- L1-L2 (mL.kg-1)
- 0.797
- T12-L1 (mL.kg-1)
- 0.960
- T11-T12 (mL.kg-1)
- 1.050
Further findings
Volume to reach the next upper spinal level
- Inconsistent across spinal levels
Original publication
Reconsidering injection volume for caudal epidural block in young pediatric patients: a dynamic flow tracking experimental study. Reg Anesth Pain Med. Published 10 July 2023. doi:10.
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