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ORIGINAL ARTICLE
Year : 2022  |  Volume : 16  |  Issue : 3  |  Page : 407-411

A comparative study between local dexmedetomidine and intravenous dexmedetomidine during awake fiberoptic nasotracheal intubation


Department of Anaesthesiology, Bharati Vidyapeeth (Deemed to be University) Medical College, Pune, Maharashtra, India

Correspondence Address:
Dr. Shweta Laxmikant Konnur
D4/404, Laketown Society, Bibwewadi, Pune - 411 037, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aer.aer_140_22

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Background: Awake fiberoptic intubation (AFOI) is the gold standard for managing a difficult airway. To make the patient comfortable and cooperative during the procedure, many drugs such as benzodiazepines, opioids, or dexmedetomidine are used. Most of these intravenously given drugs may cause respiratory depression and hypoxia. Aim: We compared the efficacy of dexmedetomidine through nebulization and transtracheal route with intravenous routes with the primary aim of comparing patient tolerance score (PTS) and secondary objectives of comparing sedation score, cough score, and total duration required for awake fiberoptic nasotracheal intubation. Settings and Design: This study was a prospective randomized double-blind study. Subjects and Methods: Seventy-six patients, scheduled for elective surgery requiring AFOI between 18 and 75 years, were included in the study. They were randomly divided into two groups of 38 each. Group I patients received intravenous dexmedetomidine 1 μg.kg−1 and Group L patients received local dexmedetomidine through nebulization 0.5 μg.kg−1 and transtracheal injection 0.5 μg.kg−1. Statistical Analysis Used: Statistical Package for the Social Sciences version 22 was used. Results: Patients who received dexmedetomidine through nebulization and transtracheal route have significantly better PTSs and less cough scores as compared to patients who received dexmedetomidine by intravenous route (P < 0.05). Hemodynamic parameters and sedation scores between the two groups were statistically insignificant (P > 0.05). The time required for the procedure was significantly less in Group L compared to Group I (P < 0.05). Conclusion: Dexmedetomidine by nebulization and transtracheal route provides optimal conditions for AFOI with good patient tolerance and less cough score as compared to the intravenous route.


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