The effect of rotation of an epidural needle. An in vitro study.
A study using postmortem dura mater demonstrated that rotation of the epidural needle significantly decreases the force required to puncture the dura. It is recommended that epidural needles should not be rotated after insertion of the tip into the epidural space.
Meiklejohn
B H
BH
University Department of Anaesthesia, Leicester Royal Infirmary.
D000328:Adult; D004388:Dura Mater / Q000293:injuries; D006801:Humans; D066298:In Vitro Techniques; D007268:Injections, Epidural / Q000009:adverse effects / Q000379:methods*; D009339:Needles; D012399:Rotation