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CODEN : IJCACT

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Indian Journal of Clinical Anaesthesia


Comparison of hemodynamic responses to laryngoscopy and orotracheal intubation between Macintosh laryngoscope and king vision video laryngoscope in adult surgical patients


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Research Article

Author Details : Shirley Joseph, Bindu George*, Surekha

Volume : 6, Issue : 4, Year : 2019

Article Page : 607-613


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Abstract

Introduction and Objectives: Endotracheal intubation involving conventional laryngoscopy elicits a
hemodynamic stress response which can be deleterious in susceptible individuals. The study was aimed to
see if King Vision video laryngoscope has any advantages over conventional Macintosh laryngoscope in
attenuating the hemodynamic response during endotracheal intubation.
Materials and Methods: 80 ASA I and II patients (aged 18-59 years) who fit the eligibility criteria
and scheduled for elective surgery under general anesthesia were recruited for the study after obtaining
permission from the institutional review board. By randomization they were allocated into two groups.
Group A underwent intubation with King Vision video laryngoscope (KVVL) and group B were intubated
with Macintosh laryngoscope (MDL). Systolic BP, diastolic BP, mean arterial pressure, heart rate and Sp02
were measured at baseline, post induction, prelaryngoscopy and post intubation at 1, 3 and 5 minutes. The
time duration for intubation, numbers of attempts for intubation and postoperative pharyngeal morbidities
were also noted.
Results: The duration of laryngoscopy and intubation was significantly longer in group A (KVVL) when
compared to group B (MDL) patients (18.28 6.555 Vs. 14.75 3.678 seconds)(p = 0.004). However,
patients in group A (KVVL) had less hemodynamic response compared to group B (MDL) with statistically
significant heart rate changes at 3 minutes post intubation. (86.3715.255 Vs 94.4519.123 beats/minute
respectively)(p = 0.040). There were no significant differences between both the groups in terms of number
of attempts and post operative oropharyngeal morbidities.
Conclusion: We conclude that King Vision video laryngoscope is a useful alternative to traditional
Macintosh laryngoscope for reducing hemodynamic stress response during endotracheal intubation.

Keywords: King vision video laryngoscope, Macintosh laryngoscope, Hemodynamic response, Intubation time.

Doi : 10.18231/j.ijca.2019.118

How to cite : Joseph S, George B, Surekha, Comparison of hemodynamic responses to laryngoscopy and orotracheal intubation between Macintosh laryngoscope and king vision video laryngoscope in adult surgical patients. Indian J Clin Anaesth 2019;6(4):607-613

Copyright © 2019 by author(s) and Indian J Clin Anaesth. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (creativecommons.org)