ORIGINAL ARTICLE
Year : 2021  |  Volume : 15  |  Issue : 2  |  Page : 86-92

Comparative evaluation of intubation performances using two different barrier devices used in the COVID-19 era: A manikin based pilot study


1 Department of Anaesthesiology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
2 Department of Biostatistics and Health Informatics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India

Correspondence Address:
Rudrashish Haldar
Department of Anaesthesiology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Rae Bareilly Road, Lucknow, Uttar Pradesh - 226 014
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/sja.sja_1062_20

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Background and Aims: Protection of anaesthesiologists from contaminated aerosols of COVID 19 patients during endotracheal intubation has spurred the development of barrier devices like aerosol boxes and clear transparent plastic sheets and usage of videolaryngoscopes in COVID 19 patients. However, the efficiency, feasibility and difficulties faced by anaesthesiologist while performing endotracheal intubations under barrier devices require scientific validation. This manikin-based pilot study aims to assess the laryngoscopic performances of experienced anaesthesiologists under two different barrier enclosures. Methods and Materials: 53 anaesthesiologists (14 Consultants and 39 Senior Residents) who were undergoing an airway training module as a part of preparedness for handling the COVID 19 pandemic were recruited. Using an aerosol box over a manikin, the participants attempted intubation using a Glidescope Videolaryngoscope and Macintosh laryngoscopes (GA and MA Groups). Subsequently, intubation was attempted under a transparent plastic sheet using both laryngoscopes (GP and MP groups). Time required for intubation, first pass success rates, subjective ease of intubation and the feedback obtained from the participants were recorded and analysed. Results: Time required for accomplishing successful intubation was 38.55 ± 12.16 seconds, 26.58 ± 5.73 seconds, 46.89 ± 15.23 seconds and 37.26 ± 8.71 seconds for GA, MA, GP and MP groups respectively. Time for intubation and difficulty (VAS) was least for Macintosh group with aerosol box (MA) and maximum time was taken in Glidescope group with transparent polythene drape (GP). First attempt success rate for Glidescope groups (GP and GA) were 100% and in MA and MP group was 98% and 96% respectively. Restriction in hand movement and stylet removal were the major difficulties reported Conclusion: Longer intubation times were observed while using Glidescope Videolaryngoscopes with either of the two barrier devices in place compared to Macintosh laryngoscopes.


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