Related Experiment Videos
[Swallowing apnea in adults]
M M Costa1, R I da Silva, E Lemme
1Departamento de Anatomia, ICB, Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro-HUCFF-UFRJ, Apoio Janssen.
Arquivos De Gastroenterologia
|August 26, 1998
Summary
Swallowing apnea involves distinct reflex pathways from foreign body responses and is not dependent on laryngeal structures. This airway protection mechanism frequently occurs at the end of exhalation, often followed by complementary expiration.
Area of Science:
- Physiology
- Respiratory System
- Swallowing Mechanisms
Context:
- Investigated swallowing apnea in 66 individuals, including 5 laryngectomized patients.
- Analyzed 1916 breathing/swallowing correlation charts using advanced manometric and computer systems.
Purpose:
- To elucidate the reflex pathways and physiological dependencies of swallowing apnea.
- To differentiate swallowing apnea from other airway interruption reflexes.
Summary:
- Swallowing apnea utilizes different reflex paths than foreign body-induced breathing interruptions.
- Swallowing apnea is independent of laryngeal structures and distinct from rima glottidis closure, though correlated.
- This apnea commonly occurs at the end of exhalation/start of inhalation, often followed by expiration.
- Lower lung volumes may predispose individuals to this reflex.
Impact:
- Provides novel insights into the distinct mechanisms of airway protection during swallowing.
- Clarifies the physiological basis of swallowing apnea, aiding in understanding related respiratory disorders.
- Highlights the importance of breathing phase in the occurrence of swallowing apnea.