Biomechanical analysis of hyolaryngeal displacement: integrative review
Keywords:
Deglutition, deglutition disorders, biomechanical phenomena, hyoid bone, larynx.Abstract
Objetive: to conduct an integrative review of the literature on quantitative assessment procedures of the hyolaryngeal desplacement in the videofluoroscopy. Methods: Databases Lilacs, Scielo, Medline via Pubmed, Cochrane Library and Web of Science/ISI were used, with the inclusion of 15 studies, published between 2000 and 2014, in the English and Portuguese languages. Results: Most of the researchers used the ImageJ program, considered the fourth cervical vertebra as the point of origin, used coin in the chin of the subject to system calibration, evaluated swallowing of 5 and 10ml of liquid, did not describe the number of evaluated swallowing and used two evaluators in the analysis. The main anatomical points were anterior-upper and anterior-lower regions of hyoid and posterior-upper of the subglottic air column as a reference of the larynx. Conclusion: There is a description of the amplitude variation of hyolaryngeal displacement between genders, age groups, and dysphagia healthy subjects and procedures for analysis of the biomechanics of swallowing.Downloads
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Copyright (c) 2016 Viviane Souza Bicalho Bacelete, Laélia Cristina Caseiro Vicente, Marco Aurélio Rocha Santos
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