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E-Poster Viewing Abstracts
E-Poster Viewing – Peripheral Nerve Blocks
ESRA19-0106 Flow characteristics of nerve block Y-connectors
  1. T Al-Ani1
  1. 1University Hospital Hairmyres, Anaesthesia, East Kilbride, United Kingdom

Abstract

Background and aims The use of nerve block Y-connectors is common in regional anaesthesia practice. We usually attach an elastomeric pump to the Y-connector (YC) in order to deliver two streams of local anaesthetic (LA). Do these YCs deliver equal volumes of LA at all times?

Methods The volumes (ml) of the LA infused at both ends of the Pajunk YC were calculated after:

  1. An elastomeric–pump infusion attached to the YC, with no external resistance applied to flow to either limbs of the YC.

  2. An elastomeric–pump infusion attached to the YC, with external resistance to flow applied to either limbs of the YC.

  3. A 20 ml syringe injection attached to the YC, with no external resistance to flow applied to either limbs of the YC.

  4. A 20 ml syringe injection attached to the YC, with external resistance to flow applied to either limbs of the YC.

All repeated 15 times.

Conclusions According to the above results, YCs do not deliver equal volumes of LA especially when resistance to flow is different between the YC limbs.

View this table:
Abstract ESRA19-0106 Table 1

https://doi.org/10.1136/rapm-2019-ESRAABS2019.335

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