Laryngeal and respiratory reflexes are vitally important defense mechanisms against foreign body aspiration, safeguarding airway patency, and ventilation. These highly preserved automatisms easily overrule external influences like willpower or (anesthetic) medication. Prevention and anticipation are, therefore, the essential strategies to avoid adverse events and damage, and treatment is most effective in the early stage of the reflex response. The physiology and pathophysiology of the various defensive reflexes as well as a comprehensive anesthetic approach to prevention and treatment are outlined in this review.
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http://dx.doi.org/10.1111/pan.13807 | DOI Listing |
J Allergy Clin Immunol Pract
December 2024
Faculty of Biology, Medicine and Health, School of Biological Sciences, Division of Infection, Immunity & Respiratory Medicine, The University of Manchester, UK; NIHR-Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, UK.
While cough is a protective reflex it can occur in the absence of any physical need to clear the airway. In chronic cough, cough can be triggered by innocuous stimuli and persist despite medical treatment. Non-pharmacological interventions such as cough control therapy, provided by speech pathologists, have gained popularity in recent years.
View Article and Find Full Text PDFHead Neck
December 2024
Department of General Surgery, Vall d'Hebron University Hospital, Barcelona, Spain.
Background: Intraoperative neuromonitoring (IONM) of the recurrent laryngeal nerve (RLN) aims to detect and prevent iatrogenic damage during thyroid surgery. Mechanisms of injury include traction, heat damage, and nerve transection. Continuous IONM (C-IONM) techniques detect impending damage due to traction and heat related when they are still reversible.
View Article and Find Full Text PDFAuris Nasus Larynx
December 2024
Department of Otolaryngology/Head and Neck Surgery, Kyushu University Hospital, 3-1-1, Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
Objective: Haji et al. reported that characteristic click-like sounds during the swallowing reflex were recorded with a small lavalier microphone placed in the ear. They also reported that endoscopic and phototubometric observations showed that these sounds were likely related to the opening and closing of the Eustachian tube during swallowing.
View Article and Find Full Text PDFDysphagia
December 2024
Discipline of Speech Pathology, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia.
Adequate upper airway (oral, pharyngeal and laryngeal) sensation is crucial for safe and efficient swallowing and airway protection. Despite its importance, methods of upper airway sensory testing for individuals with dysphagia remain poorly defined. The aim of this study was to summarise and appraise current methods of upper airway sensory testing to inform dysphagia clinical practice and future research directions.
View Article and Find Full Text PDFCureus
October 2024
Otolaryngology - Head and Neck Surgery, Kagawa University, Takamatsu, JPN.
Plant foreign matter in the larynx is rare. Only three cases of a cocklebur foreign body in the larynx have been previously reported. A 55-year-old man accidentally swallowed cocklebur fruit.
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