Quantitative Ultrasound Assessment of Hyoid Bone Displacement During Swallowing Following Thyroidectomy
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ORIGINAL ARTICLE
Quantitative Ultrasound Assessment of Hyoid Bone Displacement During Swallowing Following Thyroidectomy Bianca Oliveira Ismael da Costa1 · Darlyane de Souza Barros Rodrigues1 · Desiré Dominique Diniz de Magalhães1 · Ary Serrano Santos2 · Ricardo Vieira Santos2 · Elma Heitmann Mares Azevedo3 · Anna Alice Almeida1,4 · Leandro Pernambuco1,4 Received: 21 April 2020 / Accepted: 24 August 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract The aim of this study was to investigate temporal ultrasound measurements of the hyoid bone displacement during swallowing following thyroidectomy in women and to relate these measures to age, clinical outcomes, and upper digestive airway symptoms. The sample was divided into an experimental group (EG) of 20 women who underwent thyroidectomy (mean age = 49.55 years ± 15.14) and a control group (CG) of 20 healthy women volunteers (mean age = 40.75 years ± 15.92). Both groups were submitted to ultrasound assessment to obtain four temporal measurements of hyoid bone displacement during swallowing: elevation, anteriorization, maximum displacement, and maintenance of maximum displacement. In both groups, swallowing of ten milliliters of liquid and the same volume of thickened liquid (honey) were analyzed. The images were recorded on video (30 frames/second) and analyzed according to a standardized protocol. Temporal measurements of hyoid bone elevation and maximum displacement during swallowing of thickened liquid were significantly shorter in EG (p = 0.034 and p = 0.020, respectively). There were no differences in the swallowing of liquid, and no other variable was related to the ultrasound temporal measurements investigated. This study concludes that women who undergo thyroidectomy have a shorter time of hyoid bone elevation and maximum displacement during swallowing of 10 mL of thickened liquid. Keywords Deglutition · Deglutition disorders · Thyroidectomy · Ultrasonography · Ultrasound · Hyoid bone
Introduction
* Leandro Pernambuco [email protected] 1
Graduate Program in Speech, Language and Hearing Sciences (PPgFon/UFPB‑UFRN‑UNCISAL), Universidade Federal da Paraíba (UFPB), Campus I s/n, Cidade Universitária, João Pessoa, PB 58051‑900, Brazil
2
Lauro Wanderley University Hospital (HULW/UFPB/EBSERH), Universidade Federal da Paraíba (UFPB), R. Tabelião Stanislau Eloy, 585, Castelo Branco, João Pessoa, PB 58050‑585, Brazil
3
Department of Speech, Language and Hearing Sciences, Universidade Federal do Espírito Santo (UFES), Av. Marechal Campos, 1468, Maruípe, Vitória, ES 29043‑900, Brazil
4
Department of Speech, Language and Hearing Sciences, Universidade Federal da Paraíba (UFPB), Campus I s/n, Cidade Universitária, João Pessoa, PB 58051‑900, Brazil
Dysphagia is a common adverse effect during the postoperative period of patients who undergo thyroidectomy whether in the presence of damage to vagus nerve branches or the absence of operative complications [1, 2]. Symptoms can occur in about 55% of cases [1].
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