An Innovative Approach to Determine Programmed Intermittent Epidural Bolus Pump Settings for Labor Analgesia: A Randomized Controlled Trial
Authors' conclusion
This novel study used a mathematical model to estimate PIEB pump settings while simultaneously maximizing 3 clinical outcomes.
Study context
- Population
- Nulliparous American Society of Anesthesiologists (ASA) II parturients aged 18 to 45 years at full term, single vertex gestation, in spontaneous labor with ≤7 cm cervical dilation26 withdrawn
- Participants
- 69 participants
- Comparison
- Randomised predetermined programmed intermittent epidural bolus (PIEB) pump settings (next bolus, interval, volume) to estimate optimal settings by response surface methodology (RSM)
Methodological detailsdouble-blind, single-centre, response surface methodology
- Double-blind
- Single-centre
- Response surface methodology
Primary result
As reported in the abstract
RSM-suggested PIEB settings and corresponding outcomes
- PIEB next bolus (PIEBnb)
- 29.4 minutes
- PIEB interval (PIEBi)
- 59.8 minutes
- PIEB volume (PIEBv)
- 6.2 mL
- Maternal satisfaction
- 93.9%
- Patient-controlled epidural analgesia (PCEA) ratio
- 0.77
- Need for clinician bolus
- 0.29
Further findings
Dermatome sensory score between T10 and T5
- Patients with sensory level T10–T5
- 89%
Lowest Bromage score
- Median lowest Bromage score
- 4
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
An Innovative Approach to Determine Programmed Intermittent Epidural Bolus Pump Settings for Labor Analgesia: A Randomized Controlled Trial. Anesth Analg. Published 16 August 2024. doi:10.
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