Higher operating tables provide better laryngeal views for tracheal intubation

British Journal of Anaesthesia
H-C LeeJ-Y Park

Abstract

The present study was conducted to investigate the influence of different operating table heights on the quality of laryngeal view and the discomfort of the anaesthetist during enodotracheal intubation. Eight anaesthetists participated, to each of whom 20 patients were allocated. Before induction of anaesthesia, the height of the operating table was adjusted to place the patient's forehead at one of four landmarks on the anaesthetist's body (the order being determined by block randomization with eight blocks): umbilicus (Group U), lowest rib margin (Group R), xiphoid process (Group X), and nipple (Group N). Next, the anaesthetist began the laryngoscopy and evaluated the grade of laryngeal view. For this 'initial posture', the anaesthetist was not allowed to adjust his or her posture (flexion or extension of the neck, lower back, knee, and ankle). This laryngeal view was then re-graded after these constraints were relaxed. At each posture, the anaesthetist's joint movements and discomfort during mask ventilation or intubation were evaluated. The laryngeal view before postural changes was better in Group N than in Group U (P=0.003). The objective and subjective measurements of neck or lower back flexion during intubation were hig...Continue Reading

References

May 1, 1987·Anaesthesia·G L Samsoon, J R Young
Jul 1, 1985·Canadian Anaesthetists' Society Journal·S R MallampatiP L Liu
Nov 1, 1984·Anaesthesia·R S Cormack, J Lehane
Aug 6, 1998·British Journal of Anaesthesia·M L Heath

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Citations

Oct 11, 2014·Anaesthesia·B N ThomasI Hodzovic
Mar 31, 2015·Journal of Clinical Anesthesia·Gao P LiuChao Sun
Jan 18, 2015·British Journal of Anaesthesia·R K Dudeja
Jan 18, 2015·British Journal of Anaesthesia·P-G Guinot, E Lorne
Aug 28, 2016·British Journal of Anaesthesia·T Asai, E P O'Sullivan
Nov 18, 2016·BMC Anesthesiology·Raj M ReddyUNKNOWN Anaesthetic Department at Glan Clwyd Hospital
Jan 23, 2019·Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine·Kate CrewdsonUNKNOWN EHAC Medical Working Group

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