AI Article Synopsis
- The study compared swallowing functions in 49 post-partial laryngectomy patients to a control group of 35 subjects, focusing on the impact of laryngeal mobility.
- Findings revealed that the mobility of the remaining laryngeal structures significantly affects swallowing efficiency, particularly in relation to the presence of the hyoid bone.
- Resection of the hyoid bone correlates with increased swallowing difficulties and aspiration risks, while the effectiveness of glottal occlusion alone does not compensate for swallowing disorders.
Article Abstract
Laryngographic, manometric and videorentgenocinematographic examinations of swallowing were conducted on 49 patients after partial laryngectomy and on 35 subjects being a control group. The results of examinations indicate that the mobility of remaining after the surgery parts of the larynx have the great influence on the efficient swallowing. The larynx mobility is closely related to the remaining of the hyoid bone. Resection of the hyoid bone or its part is the factor that causes intensified difficulty during swallowing and increase in the frequency of the occurrence of aspiration. The study of effectiveness of glottis or neoglottis performed with the use of laryngograph showed no relation between glottis/neoglottis occlusion effectiveness index and intensified swallowing disorders. This shows the lack of compensating option in swallowing disorders with the help of an mechanism based on an efficient glottis or neoglottis occlusion alone.
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