Evaluation of retrograde intubation with different doses of dexmedetomidine infusion: A randomised controlled trial
Background: Retrograde intubation is one of the well-described and alternative methods of difficult airway management. It requires effective sedation and patient preparation. Study was done to evaluate intubating conditions during retrograde guided intubation with two different doses of dexmedetomid...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2020-07-01
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| Series: | Journal of Oral Biology and Craniofacial Research |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2212426820300701 |
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| Summary: | Background: Retrograde intubation is one of the well-described and alternative methods of difficult airway management. It requires effective sedation and patient preparation. Study was done to evaluate intubating conditions during retrograde guided intubation with two different doses of dexmedetomidine. Methods: This prospective randomized double blind parallel group trial was planned on 60 patients with difficult airway. Patients were divided in two groups to receive either dexmedetomidine 1.0 μg/kg (Group A) or dexmedetomidine 1.5 μg/kg (Group B) by intravenous (IV) route. The Modified Observer Assessment Awareness and Sedation (OAA/S) was measured as primary outcome and ease of intubation, facial grimace score, cough severity, hemodynamic response, patient recall and discomfort were assessed as secondary outcome during awake retrograde intubation. Results: Groups were comparable in terms of demographic and baseline parameters. OAA/S (P = 0.001), cough severity (P < 0.001), facial grimace score (P < 0.001), grading of discomfort during procedure (P < 0.001) and recall of procedure scale (P = 0.038) were found significantly better/lower in Group B as compared to Group A. Hemodynamic parameters were better in Group B and showed significant difference during the retrograde intubation. However, ease of intubation scale, intubating time and complications were not significantly different (P > 0.05) between the two groups. Conclusion: Retrograde intubation can be easily learned and performed with minimal complications. Dexmedetomidine in a dose of 1.5 μg/kg IV is optimum and safe for retrograde intubation with clinically manageable side effects. |
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| ISSN: | 2212-4268 |