International journal of obstetric anesthesia
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Int J Obstet Anesth · Aug 2015
Randomized Controlled TrialPencil-point needle bevel direction influences ED50 of isobaric ropivacaine with fentanyl in spinal anesthesia for cesarean delivery: a prospective, double-blind sequential allocation study.
There is little evidence on the influence of bevel direction of a pencil-point needle on the median effective dose (ED50) of isobaric ropivacaine and fentanyl in spinal anesthesia for cesarean delivery. ⋯ The orientation of the distal aperture of a 26-gauge Whitacre needle during induction of spinal anesthesia for cesarean delivery influences the ED50 of 0.75% ropivacaine.
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Int J Obstet Anesth · Aug 2015
Letter Case ReportsSpinal subdural haematoma after an epidural blood patch.