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ORIGINAL ARTICLE
Year : 2020  |  Volume : 64  |  Issue : 11  |  Page : 943-948

Comparison of paediatric King Vision™ videolaryngoscope and Macintosh laryngoscope for elective tracheal intubation in children of age less than 1 year: A randomised clinical trial


Department of Anaesthesia and Critical Care, Jawaharlal Institute of Postgraduate Medical Research and Education, Puducherry, India

Correspondence Address:
Dr. Prasanna Udupi Bidkar
Department of Anaesthesia and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ija.IJA_154_20

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Background and Aims: Paediatric airway, because of its consistent anatomical differences from that of an adult, often encounters difficulty in aligning the line of sight with the laryngeal inlet during intubation. Paediatric videolaryngoscopes (VLs), by obviating the need for aligning the line of sight with the glottis, offer several advantages over direct laryngoscopy. Therefore, this study aimed to compare the recently introduced paediatric King Vision™ VL (KVL) and the direct laryngoscope with Macintosh blade for elective tracheal intubation in infants of age <1 year. Methods: Seventy-eight infants of American Society of Anesthesiologists physical status 1 and 2, scheduled for elective surgery, were enrolled for this prospective randomised clinical trial and randomised into either of the two groups – Group K and Group C, where the infants were intubated using size 1 King Vision or direct laryngoscope with Macintosh blade. The primary objective of this study was the time taken for intubation and the first-attempt intubation success rate. Results: Time to intubate (25.90 ± 2.34 s vs. 25.03 ± 1.42 s, P = 0.05) and first-attempt intubation success rate (100% vs. 100%, P = 1) were similar between the groups, whereas glottic visualisation (P = 0.01), alternate techniques used to assist intubation (P < 0.001), the ease of intubation (P = 0.02) and intubation difficulty score (P = 0.01) were better in Group K than that in Group C. Conclusion: The outcome of KVL and Macintosh laryngoscope was similar in terms of time taken for intubation and first-attempt intubation success rate with KVL having superior glottic visualisation, better ease of intubation and lower intubation difficulty score for elective intubations in children of age <1 year.


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