The anaesthetist sandwich

Combined low-dose spinal-epidural anaesthesia versus single-shot spinal anaesthesia for elective caesarean delivery

“…James et al demonstrated a more rapid onset sensory block with the orifice of a 24-gauge Sprotte needle directed cephalad using isobaric 0.5% bupivacaine, but no difference in the maximum sensory block height, incidence of hypotension or maternal satisfaction. 9 We would be interested to know whether others have tried to modify the degree and depth of spinal block by changing the orientation of the orifice of the pencil-point spinal needle.…”