The Mendelsohn Maneuver and its Effects on Swallowing: Kinematic Analysis in Three Dimensions Using Dynamic Area Detector CT

This study investigated the effects of Mendelsohn maneuver with three-dimensional kinematic analysis. Nine female speech-language pathologists (nine females, mean ± SD 27.1 ± 3.5 years old) underwent 320-row area detector scan during swallows of 4-ml nectar-thick liquid using with no maneuvers (cont...

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Bibliographic Details
Published in:Dysphagia 2018-08, Vol.33 (4), p.419-430
Main Authors: Inamoto, Yoko, Saitoh, Eiichi, Ito, Yuriko, Kagaya, Hitoshi, Aoyagi, Yoichiro, Shibata, Seiko, Ota, Kikuo, Fujii, Naoko, Palmer, Jeffrey B.
Format: Article
Language:English
Subjects:
Adult
Biomechanical Phenomena
Comparative analysis
Deglutition - physiology
Detectors
Dysphagia
Epiglottis
Female
Gastroenterology
Hepatology
Humans
Hyoid bone
Imaging
Kinematics
Language
Manometry
Medicine
Medicine & Public Health
Nectar
Original Article
Otorhinolaryngology
Palate
Pharynx
Pharynx - anatomy & histology
Pharynx - physiology
Radiology
Speech
Swallowing
Tomography, X-Ray Computed - methods
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Summary:This study investigated the effects of Mendelsohn maneuver with three-dimensional kinematic analysis. Nine female speech-language pathologists (nine females, mean ± SD 27.1 ± 3.5 years old) underwent 320-row area detector scan during swallows of 4-ml nectar-thick liquid using with no maneuvers (control) and with Mendelsohn maneuver (MM). Critical event timing (hyoid, soft palate, epiglottis, laryngeal vestibule, true vocal cords (TVC), UES), hyoid and laryngeal excursion, cross-sectional area of UES, and volume of pharyngeal cavity and bolus were measured and compared between two swallows. In MM, all the events were significantly prolonged with delayed termination time ( p  
ISSN:0179-051X
1432-0460
DOI:10.1007/s00455-017-9870-7