Dexmedetomidine does not improve patient satisfaction when compared with propofol during mechanical ventilation

  • Corbett S
  • Rebuck J
  • Greene C
 et al. 
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OBJECTIVE: Dexmedetomidine (DEX) may provide a sedation level that enables sleep and communication, with less amnesia and pain medication requirements, during mechanical ventilation. Our study directly assessed patient-perceived satisfaction with coronary artery bypass graft surgery after administration of DEX or propofol for intensive care unit (ICU) sedation. DESIGN: Prospective, randomized clinical study with subsequent questionnaire administration. SETTING: Tertiary care surgical ICU. PATIENTS: A total of 89 adult, nonemergent, coronary artery bypass graft patients with an expected length of intubation of .05). DEX patients perceived a shorter length of intubation (p = .044). A deeper sedation level was found in the propofol group (p = .021), with similar morphine and midazolam requirements (p = .317). Patient-rated level of overall awareness as a marker of amnesia did not differ between groups (p = .653). The ability to rest or sleep trended toward significance favoring propofol (p = .051). On evaluation of questionnaire ratings, DEX patients expressed more discomfort (p = .046), pain (p = .096), and sleeping difficulty (p = .036). Similar comfort levels were reported during extubation (p = .179). CONCLUSIONS: Despite theoretical advantages of DEX to improve overall patient satisfaction, the two agents provide similar responses to amnesia and pain control. According to our findings, DEX does not seem to have any advantage compared with propofol for short-term sedation after coronary artery bypass graft surgery.

Author-supplied keywords

  • Critical care
  • Dexmedetomidine
  • Patient satisfaction
  • Propofol
  • Questionnaire
  • Sedation

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  • Stephanie Mallow Corbett

  • Jill A. Rebuck

  • Christopher M. Greene

  • Peter W. Callas

  • Bruce W. Neale

  • Mark A. Healey

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