Preslaski 2012.

Methods	Randomized, double‐blind study Setting: Country: USA Period:
Participants	Sample size: 23 (11/12) Included Excluded Missing
Interventions	Interventions: add dexmedetomidine to existing benzodiazepine sedation when patients qualified for daily awakenings Control: add midazolam to existing benzodiazepine sedation
Outcomes	Primary The time from study initiation to tracheal extubation. Secondary Maintenance of target sedation (Riker score of 3 to 4) The use of other sedative and analgesic agents Patient recall of ICU experiences Occurrence of adverse events including haemodynamic profiles and delirium Measured by: ICU Delirium Screening Checklist Adverse events: including haemodynamic profiles and delirium
Notes	Conclusion: need full paper review, but apparently delirium was monitored as an adverse event (ICU Delirium Screening Checklist) Authors have been contacted by email 19 September 2016 — awaiting response.