International journal of obstetric anesthesia
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Int J Obstet Anesth
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Int J Obstet Anesth · Aug 2014
Randomized Controlled Trial Comparative StudySpinal anaesthesia for caesarean section: an ultrasound comparison of two different landmark techniques.
Spinal anaesthesia performed at levels higher than the L3-4 intervertebral space may result in spinal cord injury. Our aim was to establish a protocol to reduce the chance of spinal anaesthesia performed at or above L2-3. ⋯ Our data suggest that when performing spinal anaesthesia in pregnant patients, if the intercristal line intersects an intervertebral space then the space below should be chosen and if the intercristal line intersects a spinous process then the interspace below should be chosen. This will reduce the incidence of spinal anaesthesia performed at or above L2-3.