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Year : 2017  |  Volume : 11  |  Issue : 4  |  Page : 998-1003

Evaluation of effectiveness of dexmedetomidine and fentanyl-midazolam combination on sedation and safety during awake fiberoptic intubation: A randomized comparative study

1 Department of Anaesthesiology and Critical Care, SKIMS, Srinagar, Jammu and Kashmir, India
2 Department of Anaesthesiology and Critical Care, SKIMS Medical College, Srinagar, Jammu and Kashmir, India
3 Department of Neonatology, King Saud Medical City, Riyadh, Saudi Arabia

Correspondence Address:
Aabid Hussain Mir
Department of Anaesthesiology and Critical Care, SKIMS, Soura, Srinagar, Jammu and Kashmir
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/aer.AER_150_17

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Background: Awake fiberoptic intubation (AFOI) is a recommended technique for anticipated difficult airway. An ideal regime should provide patient comfort, cooperation, amnesia, hemodynamic stability, and blunt airway reflexes and maintain a patent airway with spontaneous ventilation. The aim of our study was to compare intubation conditions between dexmedetomidine and fentanyl–midazolam combination during AFOI. Methods: This prospective, randomized study was conducted on a total of sixty patients of the American Society of Anesthesiologists physical status I and II of either sex, in the age group of 18–60 years having predicted difficult intubation undergoing elective surgeries and the patients were allocated to two groups of thirty patients each. After premedication and topicalization of airways, dexmedetomidine group (Group I, n = 30) received dexmedetomidine 1 μg/kg over 10 min and midazolam–fentanyl group (Group II, n = 30) received fentanyl 2 μg/kg plus midazolam 0.02 mg/kg over 10 min. Adequacy of intubation condition was evaluated by cough score and postintubation score. Incidence of desaturation, hemodynamic changes, and sedation using Ramsay sedation scale were noted and compared between two groups. Results: The demographic characteristics were comparable in the two groups (P > 0.05). The mean Ramsay sedation score in Group I was 3.13 ± 0.937 and Group II was 3.16 ± 0.949, and the comparison between two groups was statistically insignificant (P = 0.891). Cough scores and postintubation scores were favorable in dexmedetomidine group than midazolam–fentanyl group and were statistically significant with P < 0.001 and 0.0001, respectively. Group I also showed better hemodynamics and less episodes of desaturation than Group II. Conclusions: Dexmedetomidine is more effective than midazolam–fentanyl during AFOI, as it provides better intubation condition, hemodynamic stability, and preservation of airway and spontaneous ventilation.

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