| Methods |
Anaesthetic drugs used: gallamine 20mg, propofol 2.5mg/kg, alfentanil 7microg/kg, suxamethonium 1mg/kg, N2O, O2 and enflurane
Premed‐induction interval: 72 (mean)
(minutes) |
| Participants |
100 |
| Interventions |
Drug(s) and dose: timolol 10mg/kg vs. placebo |
| Outcomes |
Critical flicker fusion threshold 15, 30, 60 and 120 mins after entering recovery area
Discharge |
| Notes |
1) Preoperative effect demonstrated on multiple‐affect adjective check list
2) Difference from placebo? No. Many patients discharged within 2 hours |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Adequate sequence generation? |
Unclear risk |
Method of randomization unknown |
| Allocation concealment? |
Unclear risk |
Unclear |
