Bright 2003.

Methods	RCT
Participants	40 women undergoing elective caesarean section
Interventions	Ephedrine vs placebo Group 1: ephedrine 30 mg Group 2: placebo Identical capsules taken by mouth 1 h before institution of the spinal anaesthetic. All participants then received Hartmann's solution 15 mL/kg before subarachnoid injection of 0.5% heavy bupivacaine 2.5 mL and diamorphine 0.25 mg, using a 25‐gauge pencil‐point needle with the patient in the sitting position on the operation table
Outcomes	Maternal: — Neonatal: —
Notes	Women were given bolus injections of rescue ephedrine 6 mg on each occasion their systolic blood pressure was less than 80% of that recorded before the spinal injection. Abstract only. Insufficient information to assess risk of bias – unable to find contact details of author