A randomised comparative study of the effect of Airtraq optical laryngoscope vs. Macintosh laryngoscope on intraocular pressure in non-ophthalmic surgery

Brazilian Journal of Anesthesiology
Bikramjit DasRatul Kundu

Abstract

We compared intraocular pressure changes following laryngoscopy and intubation with conventional Macintosh blade and Airtraq optical laryngoscope. Ninety adult patients were randomly assigned to study group or control group. Study group (n=45) - Airtraq laryngoscope was used for laryngoscopy. Control group (n=45) - conventional Macintosh laryngoscope was used for laryngoscopy. Preoperative baseline intraocular pressure was measured with Schiotz tonometer. Laryngoscopy was done as per group protocol. Intraocular pressure and haemodynamic parameters were recorded just before insertion of the device and subsequently three times at an interval of one minute after insertion of the device. Patient characteristics, baseline haemodynamic parameters and baseline intraocular pressure were comparable in the two groups. Following insertion of the endotracheal tube with Macintosh laryngoscope, there was statistically significant rise in heart rate and intraocular pressure compared to Airtraq group. There was no significant change in MAP. Eight patients in Macintosh group had tongue-lip-dental trauma during intubation, while only 2 patients received upper airway trauma in Airtraq group. We conclude that Airtraq laryngoscope in comparison to ...Continue Reading

References

Feb 1, 1991·The British Journal of Ophthalmology·R RobinsonP Eustace
Apr 1, 1990·British Journal of Anaesthesia·S M MostafaS Bricker
Jul 1, 1988·Anesthesia and Analgesia·R P MahajanH Singh
May 1, 1985·Anesthesia and Analgesia·D F Murphy
Jul 1, 1987·The British Journal of Ophthalmology·B Drenger, J Pe'er
Sep 1, 1983·British Journal of Anaesthesia·D R DerbyshireG Smith
Apr 1, 1961·Archives of Ophthalmology·F J MACRI
Jun 16, 2012·Indian Journal of Anaesthesia·Sukhminder Jit Singh BajwaAparajita Panda

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