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P.158
Spread of epidural boluses in an experimental model: effect of catheter size and flow rate

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Spread of epidural boluses in an experimental model:

effect of catheter size and flow rate

 

Z Konstantinova1, C Papageorgiou1

1Department of Anaesthesia and Pain Medicine, The Hillingdon Hospital, London, UK

 

Introduction

• Distribution of solutions in the epidural space in human cadavers is non-uniform

and directed between structures according to pressures by which they were

compressed. 1

• Boluses delivered at higher pressure could result in higher spread of solution

associated with improved analgesia. Previous in vitro work has suggested that flow

rate has little effect on the area of distribution. 2

• We hoped to demonstrate a difference in spread using three different flow rates and

two different catheter sizes in an experimental model.

 

 

 

 

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