The disposition of the cervical spine and deformation of available cord space with conventional- and balloon laryngoscopy-guided laryngeal intubation: a comparative study

Anesthesia and Analgesia
S D MentzelopoulosE P Papageorgiou

Abstract

Orotracheal intubation causes cervical spine (C-spine) extension and potential (hypothetical) space available for the cord (SAC)-deformation. In the present study, we determined and compared the changes induced by conventional- and balloon laryngoscopy-guided orolaryngeal intubation in the upper C-spine's osseous unit-orientation, segmental angulation, segmental SAC-sagittal surface areas (SSAs), segmental/total posterior SAC-aspect, and segmental SAC-width. Eight healthy volunteers were enrolled. A set of neutral head position (baseline)- and two sets of intubation-lateral C-spine radiographs were obtained. Relative to baseline, both intubation techniques induced significant changes in the occiput (OCC)-, third cervical vertebra (C3)-, C4-, and C5-orientation, the OCC-C1-segmental angulation, all the segmental SAC-SSAs, and the OCC-C1-, and C1-2-posterior SAC-aspect (P < 0.05 to < 0.001); conventional intubation caused additional significant changes in C2-orientation, total (OCC through C5)-posterior SAC-aspect, and OCC-C1-SAC-width (P < 0.05 to < 0.001). Relative to conventional intubation, balloon-assisted intubation caused less change in C3-orientation and C2-3-SAC-width (P < 0.05), and less reduction in OCC-C1-, C1-2-, and...Continue Reading

References

Apr 1, 1986·Annals of Emergency Medicine·T G MajernickH G Hughes
Jan 1, 1983·Acta neurochirurgica·A Fortuna, S Mercuri
Jul 1, 1980·Neurosurgery·M M Panjabi, A A White
Sep 1, 1993·Postgraduate Medical Journal·K ChakravartyJ Visick
Nov 1, 2000·Critical Care : the Official Journal of the Critical Care Forum·S D MentzelopoulosE A Karamichali
Nov 30, 2000·Anesthesia and Analgesia·S D MentzelopoulosE A Karamichali

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Citations

Sep 30, 2005·Anesthesia and Analgesia·Spyros D MentzelopoulosSpyros G Zakynthinos
Oct 5, 2006·Current Opinion in Anaesthesiology·Spyros D Mentzelopoulos, Maria J Tzoufi

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