Audiology - Communication Research
https://www.audiolcommres.org.br/article/doi/10.1590/2317-6431-2024-2947pt
Audiology - Communication Research
Original Article

Características laríngeas e de deglutição em idosos pós-acidente vascular encefálico: um estudo preliminar

Laryngeal and swallowing characteristics in elderly after stroke: a preliminary study

Jonan Emi Valencia Cardenas; Cris Magna dos Santos Oliveira; Raquel Rodrigues Rosa; Gabriele Ramos de Luccas; Claudia Tiemi Mituuti; Kelly Cristina Alves Silverio; Alcione Ghedini Brasolotto; Giédre Berretin-Felix

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Resumo

Objetivo: Realizar uma análise comparativa dos aspectos da segurança (penetração/aspiração) e da eficiência (resíduos) da deglutição com as características morfológicas e o comportamento funcional fonatório da laringe em idosos pós- acidente vascular encefálico em fase tardia.

Métodos: Estudo preliminar observacional e retrospectivo, realizado a partir da análise de gravações de exames de videoendoscopia da fonação e deglutição de 24 pacientes. Considerou-se: assimetria laríngea, arqueamento da porção membranosa, aumento de volume das pregas vestibulares, classificação do fechamento glótico, presença de constrição mediana e anteroposterior durante a fonação. Para a deglutição, utilizaram-se as seguintes escalas: Escala de Penetração e Aspiração, Yale Pharyngeal Residue Severity Rating Scale, para classificar resíduos em valéculas e seios piriformes, e Escala de Resíduos em Faringe. Foram aplicados os testes de Mann-Whitney e Kruskal-Wallis, considerando nível de significância de 5%.

Resultados: A maioria dos pacientes apresentou arqueamento da porção membranosa das pregas vocais e aumento do volume das pregas vestibulares, assim como constrição anteroposterior das aritenoides. Foi identificada penetração laríngea, presença de resíduos em valéculas, seios piriformes e faringe para as consistências da International Dysphagia Diet Standardization Initiative 0 e 4, e aspiração com o International Dysphagia Diet Standardization Initiative 0. No International Dysphagia Diet Standardization Initiative 0, na presença de constrição anteroposterior de aritenoides durante a fonação, foram observados menores níveis na Escala de Penetração e Aspiração (p=0,016) e Escala de Resíduos em Faringe (p=0,013). Menores escores na escala de resíduos em valéculas foram observados de acordo com a quantidade de cobertura da epiglote (p=0,017) para o International Dysphagia Diet Standardization Initiative 4. Ainda, na ausência de assimetria das pregas vocais, observaram-se menores níveis da Escala de Resíduos em Faringe (p=0,025) e de resíduos em valéculas (p=0,008) para International Dysphagia Diet Standardization Initiative 7.

Conclusão: A segurança e a eficiência da deglutição são distintas nos indivíduos pós-acidente vascular encefalico tardio que apresentam constrição anteroposterior, assim como a eficiência da deglutição se distingue de acordo com a quantidade de cobertura da epiglote e assimetria das pregas vocais nesses indivíduos.

Palavras-chave

Acidente vascular encefálico; Idoso; Transtornos de deglutição; Deglutição; Laringe

Abstract

Purpose: To carry out a comparative analysis between the aspects of safety (penetration/aspiration) and efficiency (residues) of swallowing with the morphological characteristics and phonatory functional behavior of the larynx, in elderly after stroke, in the late phase.

Methods: Observational and retrospective study carried out based on the analysis of recordings of Fiberoptic Endoscopic Evaluation of Swallowing and Laryngoscopy examinations of speech and swallowing in 24 patients. The following were considered: laryngeal asymmetry, arching of the membranous portion, increased volume of the vestibular folds, classification of glottic closure, presence of median and anteroposterior constriction during phonation. For swallowing, the Penetration and Aspiration scales, the Yale Pharyngeal Residue Severity Rating Scale to classify residues in valleculae and pyriform sinuses, and the pharyngeal residue scale proposed by Kelly et al. (2006) were used. The Mann-Whitney and Kruskal-Wallis tests were applied, considering a significance level of 5%.

Results: Most patients presented arching of the membranous portion of the vocal folds and increased volume of the vestibular folds, as well as anteroposterior constriction of the arytenoids. Laryngeal penetration, presence of residues in valleculae, pyriform sinuses and pharynx were identified for IDDSI 0 and 4 consistencies, and aspiration with IDDSI 0. At IDDSI level 0, the presence of anteroposterior constriction of the arytenoids during phonation was associated with lower scores on the Penetration-Aspiration Scale (p=0.016) and the Pharyngeal Residue Scale (p=0.013). Lower scores on the residual scale in valleculas were observed according to the amount of epiglottis coverage (p=0.017) for IDDSI 4. Furthermore, the absence of vocal fold asymmetry was associated with lower pharyngeal residue scores (p=0.025) and vallecular residue scores (p=0.008) for IDDSI level 7.

Conclusion: Swallowing safety and efficiency differ in individuals with late post-stroke presenting anteroposterior constriction, and swallowing efficiency also varies according to the degree of epiglottic coverage and vocal fold symmetry in these individuals.

Keywords

Stroke; Elderly; Deglutition disorders; Deglutition; Larynx

References

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Submitted date:
05/24/2024

Accepted date:
11/26/2024

698f7d67a9539576d9041876 acr Articles
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