A comparison of the stress response to laryngoscopy

McCoy, É. P.; Mirakhur, R. K.; McCloskey, B. V.

doi:10.1111/j.1365-2044.1995.tb05924.x

Cited by 83 publications

(61 citation statements)

References 26 publications

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“…5,6 There was significant increase in both heart rate (33%) and arterial blood pressure (27%) after laryngoscopy with macintosh blade as compared to mccoy blade. Mehtab et al studied the hemodynamic response to laryngoscopy and tracheal intubation in 60 ASA 1 and 2 patients using either macintosh or mccoys laryngoscope.…”

Section: Discussionmentioning

confidence: 99%

Stress response to laryngoscopy and ease of intubation:comparison between macintosh and (levering) mccoys type laryngoscope

2016

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Section: Discussionmentioning

confidence: 99%

Stress response to laryngoscopy and ease of intubation:comparison between macintosh and (levering) mccoys type laryngoscope

2016

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“…It would have been more rational if we could have monitored CVP and catecholamine levels. McCoy laryngoscope has been evaluated for stress response to laryngoscopy and intubation by many authors 14 and has proved to be beneficial but there was no study available of its use in relation to IOP.…”

Section: Discussionmentioning

confidence: 99%

Intraocular pressure changes following laryngoscopy and intubation- McCoy versus Macintosh laryngoscope

Singhal

Singh²,

Saharan

et al. 2012

Sri Lankan J Anaesthesiol

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BackgroundWe compared intraocular pressure changes following laryngoscopy and intubation with conventional Macintosh blade and McCoy laryngoscope. MethodsSixty adult patients were randomly assigned to study group or control group. Study group -(Group A, n=30) -McCoy laryngoscope was used for laryngoscopy. Control group (Group B, n=30) -conventional Macintosh laryngoscope was used for laryngoscopy. Pre-medication was given in the form of tablet alprazolam 0.25mg orally at bed time and two hours prior to surgery. Preoperative baseline intraocular pressure was measured with Schiotz tonometer after instillation of 4% xylocaine drops in the right eye. Injection thiopentone sodium 5 mgkg -1 over 20 seconds was used for induction followed by injection vecuronium 0.1mgkg -1 for intubation. All patients were manually ventilated using oxygen 33%, nitrous oxide 67% and halothane 0.5% for three minutes and ETCO 2 was kept below 40mmHg. Laryngoscopy was done as per group protocol. Size 7mm ID cuffed endotracheal tube was used for female patients and size 8mm ID for male patients in both the groups. Intraocular pressure and haemodynamic parameters were recorded just before induction of anaesthesia (baseline), just before laryngoscopy and intubation and 1 and 3 minutes after intubation. ResultsPatient characteristics, baseline haemodynamic parameters and baseline IOP were comparable in the two groups. Following induction (T 0 ), there was statistically significant fall in IOP in both groups. One minute after intubation (T 1 ), there was significant rise in IOP in both the groups and remained so even at three minutes after intubation (T 3 ). When compared in between the groups at one minute after intubation, the rise in intraocular pressure was significantly less in the study group (A). ConclusionWe conclude that McCoy laryngoscope in comparison to Macintosh laryngoscope results in significantly less rise in IOP and clinically less marked increase in haemodynamic response to laryngoscopy and intubation.

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“…The McCoy laryngoscope is designed to elevate theepiglottis with its hinged tip. This design has twoadvantages compared with the Macintosh laryngoscope;less force is applied during laryngoscopy and stress response to laryngoscopy is reduced, and difficult laryngeal visualisation may be improved by lifting theepiglottis, especially in patients with fixed necks in neutral position [5][6][7] .…”

Section: Introductionmentioning

confidence: 99%

A Prospective Randomized Study to Compare and Evaluate King Vision Video Laryngoscope and McCoy Laryngoscope as Intubating Devices in Adult Patients

Ahmad¹

2017

jmscr

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A comparison of the stress response to laryngoscopy

Abstract: SummaryThe

Cited by 83 publications

References 26 publications

Stress response to laryngoscopy and ease of intubation:comparison between macintosh and (levering) mccoys type laryngoscope

Stress response to laryngoscopy and ease of intubation:comparison between macintosh and (levering) mccoys type laryngoscope

Intraocular pressure changes following laryngoscopy and intubation- McCoy versus Macintosh laryngoscope

A Prospective Randomized Study to Compare and Evaluate King Vision Video Laryngoscope and McCoy Laryngoscope as Intubating Devices in Adult Patients

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