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Year : 2020  |  Volume : 3  |  Issue : 1  |  Page : 4-12

Anatomy of infant larynx and cuffed endotracheal tubes

Department of Pediatrics, University of Liége Faculty of Medicine, Liége; Department of Pediatrics, Central Hospital of Liége, Chenée, Belgium

Correspondence Address:
Dr. Josef Holzki
Beienburger Street 45, D-51503 Roesrath
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ARWY.ARWY_17_20

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The anatomy of the infant larynx has been discussed since 1897. Mainly, anatomists have described the particulars of the paediatric airway and have laid the base for tube selection for safe intubation of infants. The findings were similar to what anaesthesiologists, paediatric ENT-surgeons and airway endoscopists encountered in daily practice. However, since 2003, radiologists challenged the findings of anatomists, paediatric ENT-surgeons and airway endoscopists by using radiologic modalities (such as computed tomographic scans and magnetic resonance imaging) to propose quite different anatomical forms of the infant larynx. They thought that the outlet of the cricoid ring was oval shaped and that the funnel shape of the larynx had its narrowest part at the glottic level. This can be found neither in endoscopic investigations nor in fresh autopsies, the most realistic approach to the anatomy of the infant larynx. These aspects will be thoroughly discussed in this article.

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