The cricoid is a circular "ring" of cartilage in the airway. When the lateral walls of the cricoid approximate, it takes the shape of an ellipse. In severe cases, this also reduces the glottic aperture and causes respiratory distress, stridor, and failure to thrive. The elliptical cricoid has limited surgical options outside of open laryngotracheal procedures and tracheostomy. Recently, alternatives to autologous grafts have been utilized in airway reconstruction to reduce harvest site morbidity and increase operating room efficiency. Herein a case is presented that demonstrates the successful use of a resorbable plate in augmenting the posterior larynx in an infant with a severely elliptical cricoid to avoid a tracheostomy.
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http://dx.doi.org/10.1016/j.ijporl.2020.110285 | DOI Listing |
West J Emerg Med
April 2023
Ajou University School of Medicine, Department of Anesthesiology, Suwon, Korea.
A young child's larynx was formerly believed to be narrowest at the cricoid level, circular in section, and funnel shaped. This supported the routine use of uncuffed endotracheal tubes (ETTs) in young children despite the benefits of cuffed ETTs, such as lower risk for air leakage and aspiration. In the late 1990s, evidence supporting the pediatric use of cuffed tubes emerged largely from anesthesiology studies, while some technical flaws of the tubes remained a concern.
View Article and Find Full Text PDFLaryngoscope
November 2023
Centre Hospitalier Universitaire Vaudois, ENT - Lausanne, Lausanne, Switzerland.
Objectives: To review treatment and outcomes in patients with congenital cricoid cartilage malformation.
Methods: Retrospective analysis of patients with diagnosis of congenital cricoid malformation (CCM) treated in a single tertiary pediatric referral center between 1985 and 2022. Patients were grouped according to the morphology of the cricoid cartilage that was diagnosed during endoscopy.
Anesth Pain Med (Seoul)
October 2022
Department of Anesthesia and Pain Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea.
Selection and insertion of an endotracheal tube (ETT) of appropriate size for airway management during general anesthesia in pediatric patients is very important. A very small ETT increases the risk of inadequate ventilation, air leakage, and aspiration, whereas a very large ETT may cause serious complications including airway damage, post-intubation croup, and, in severe cases, subglottic stenosis. Although the pediatric larynx is conical, the narrowest part, the rima glottidis, is cylindrical in the anteroposterior dimension, regardless of development, and the cricoid ring is slightly elliptical.
View Article and Find Full Text PDFInt J Pediatr Otorhinolaryngol
November 2020
University of Arkansas for Medical Sciences, Arkansas Children's Hospital, 1 Children's Way, Slot 836, Little Rock, AR, 72202, USA. Electronic address:
Pediatr Crit Care Med
August 2019
Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Objectives: To characterize the real size and morphology of tracheas in childhood for the optimal selection of endotracheal tube.
Design: A retrospective cohort study of pediatric patients who received CT scan of the cervical spine from July 2011 to March 2018. Cross-sectional CT images vertical to trachea were reconstructed and the accurate tracheal diameters were measured.
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