ArticleBrazilian journal of otorhinolaryngology
Pharyngeal motility in patients submitted to type I thyroplasty.
Article in Brazilian journal of otorhinolaryngology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Article
- Effectiveness of vocal fold medialization surgery on the swallowing function of patients with unilateral vocal fold paralysis.Laryngoscope investigative otolaryngology · 2023Article
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Authors and funding
3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
introductionType 1 thyroplasty is performed to improve glottis closure as well as dysphagic symptoms in patients with unilateral vocal fold immobility.
objectivesThis study aims to compare the motility of the pharynx and upper esophageal sphincter in patients with unilateral vocal fold immobility before and after thyroplasty Type I.
methodsWe prospectively studied 15 patients with unilateral vocal fold immobility who underwent thyroplasty Type I. Subjects were divided according to the topography of vagal injury and presence of dysphagia. High resolution manometry was performed before and 30 days after surgery. Time and pressure manometric parameters at the topography of the velopharynx, epiglottis and upper esophageal sphincter were recorded.
resultsDysphagia was present in 67% of patients. 63% had lower vagal injuries. Manometric parameters did not change after thyroplasty for the whole population. The group of dysphagic patients, however, had an increase in residual pressure at the upper esophageal sphincter after thyroplasty (1.2 vs. 5.2mmHg; p=0.05). Patients with low vagal injury developed higher peak pressure (100 vs. 108.9mmHg p≤0.001), lower rise time (347 vs. 330ms p = 0.04), and higher up stroke (260 vs. 266.2mmHg/ms p=0.04) at the topography of the velopharynx after thyroplasty.
conclusionPharyngeal motility is affected by thyroplasty Type I in patients with dysphagia and low vagal injury.
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