Why the study?
Programmed intermittent epidural bolus is an increasingly popular technique for labor analgesia, but its optimal settings have not been established.
Do higher gauge catheters and increased flow rates increase bolus injection pressure in programmed intermittent epidural bolus regimens?
Do higher gauge catheters and increased flow rates increase bolus injection pressure in programmed intermittent epidural bolus regimens?
This in vitro study investigates how epidural catheter size and flow rate affect bolus injection pressure, which may inform optimal settings for programmed intermittent epidural bolus regimens.
Catheter-pump combinations in PIEB alter bolus pressures and alarms; leaves open optimal settings for labor analgesia.
(Anesth Analg. 2019;129:1587–1594) Epidural analgesia is the most effective technique for labor analgesia, and programmed intermittent epidural bolus (PIEB) is a modality for delivering epidural analgesia that is becoming increasingly popular. However, the optimal settings for the PIEB technique have not been established. This study was undertaken to examine combinations of catheter types and pump characteristics and how they might influence epidural bolus injection pressure and the triggering of pump alarms. The investigators hypothesized that higher gauge catheters plus increased flow rates would increase the bolus injection pressure.
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Krawczyk et al. (2020) studied Labor analgesia. Epidural catheter size and flow rate was evaluated on Epidural bolus injection pressure and triggering of pump alarms.
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