Randomised controlled trial of combined spinal epidural vs. spinal anaesthesia for elective caesarean section: vasopressor requirements and cardiovascular changes.

Background and objectivesCombined spinal and epidural anaesthesia (CSEA) has previously been shown to result in a higher sensory block than equivalent single shot spinal anaesthesia (SSSA). In nonpregnant patients, hypotension was also more pronounced in the CSEA group. The aim of this randomized tr