An observational pilot study of a novel loss of resistance syringe for locating the epidural space.

Abstract

BACKGROUND: The EpiFaith syringe is a novel loss-of-resistance syringe that utilizes a spring-loaded plunger that automatically moves forward within the syringe when there is a loss of resistance. We evaluated the syringe in a clinical setting, among a cohort of pregnant women receiving neuraxial labor analgesia.METHODS: In a non-randomized, observational study, four anesthesiologists used the EpiFaith syringe 10 times each while placing epidural catheters for labor analgesia. The anesthesiologists scored each placement on an 11-point Likert scale (-5?=?absolutely worse, 0?=?the same, and 5?=?absolutely better than using their regular loss-of-resistance syringe technique).RESULTS: All 40 neuraxial placements correctly located the epidural space. Air was used in the syringe in 35 of the 40 cases. In 50%, 27.5% and 22.5% of cases the anesthesiologists reported that using the EpiFaith syringe was better than, the same as, or worse than using their regular syringe, respectively. There were no inadvertent dural punctures.CONCLUSIONS: This feasibility study found that three of the four anesthesiologists scored the EpiFaith syringe as better or the same as using their regular loss-of-resistance syringe. More extensive studies are required to determine if the EpiFaith syringe reduces adverse outcomes such as unintentional dural punctures.

View details for DOI 10.1016/j.ijoa.2021.102984

View details for PubMedID 33994273