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Interaction effects in laryngeal and respiratory control of the voice source and vocal fold contact pressure.
J Acoust Soc Am
December 2024
Department of Head and Neck Surgery, University of California Los Angeles, Los Angeles, California 90095-1794, USA.
Previous studies of laryngeal and respiratory control of the voice source often focus on main effects of individual control parameters but not their interactions. The goal of this study is to systematically identify important interaction effects in laryngeal and respiratory control of the voice source and vocal fold contact pressure in a three-dimensional voice production model. Computational simulations were performed with parametric variations in vocal fold geometry, stiffness, prephonatory glottal gap, and subglottal pressure.
View Article and Find Full Text PDFA Novel Endoscopic Anterior Cricoid Rib Grafting: A Feasibility Study in An Animal Model.
OTO Open
September 2024
Department of Otolaryngology-Head and Neck Surgery King Saud University Medical City, College of Medicine, King Saud University Riyadh Kingdom of Saudi Arabia.
Objective: The objective of our study was to document the feasibility of a novel endoscopic anterior cricoid split and rib grafting technique in a goat airway model.
Study Design: Feasibility pilot animal study.
Setting: Animal surgical laboratory at a tertiary hospital and research center.
Utilizing ultrasonography to determine the minimal transverse diameter of the subglottic airway for informed selection of reinforced cuffed endotracheal tube models in children.
Eur Arch Otorhinolaryngol
December 2024
Anesthesiology Department, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, No. 289 of Kuocang Road, Liandu District, Lishui, Zhejiang, 323000, People's Republic of China.
Objective: We explored the use of ultrasonography in determining the minimal transverse diameter of the subglottic airway (MTDSA) for the purpose of choosing an appropriate model of reinforced cuffed endotracheal tube.
Methods: A total of 110 pediatric patients who received general anesthesia and tracheal intubation for selective surgeries at the hospital from February 2019 to February 2022 were chosen. They were then randomly assigned to three groups: 39 in the MTDSA group, 35 in the age formula group, and 36 in the height formula group.
Determining optimal cuff volume for cuffed endotracheal tubes commonly used in pediatric patients: A prospective observational study.
Saudi Med J
February 2024
From the Department of Anaesthesiology and Reanimation, Ankara City Hospital, Ankara, Turkey.
Objectives: To determine an optimal cuff inflation volume to achieve safe cuff pressure (20-25 cmH2O) in cuffed endotracheal tubes (ETTs) with an inner diameter of 4.5, 5.0, and 5.
View Article and Find Full Text PDFThe accuracy of the ultrasound measured transverse cricoid diameter and the epiphyseal transverse diameter of the distal radius in predicting the pediatric endotracheal tube size.
Paediatr Anaesth
January 2024
Anesthesia and Intensive Care Department, Faculty of Medicine, Assiut University, Assiut, Egypt.
Background: In everyday pediatric anesthesia practice, clinicians frequently exchange an already inserted endotracheal tube because of a leak or resistance causing significant morbidity. We investigated the accuracy of two ultrasound measurements; the transverse cricoid diameter and epiphyseal diameter of the distal radius in the prediction of endotracheal tube size that best fits in children compared to age-based formulas.
Patients: One hundred children (1-6 years) who underwent elective surgery with endotracheal tube whether cuffed (n = 50) or uncuffed (n = 50) were enrolled.
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