ArticleGastroenterology research2021
Cross-Sectional Study of Swallowing Phases in Cases of Megaesophagus Caused by Chagas Disease.
Article in Gastroenterology research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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2 authors at 2 institutions in 1 country.
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Abstract
backgroundChagas disease, caused by the flagellate protozoan
methodsA total of 29 patients, aged 48 - 73 years (mean: 63.8 ± 5.1 years), with dysphagia, radiological changes in the esophagus, and positive serologic test for Chagas disease, participated in the study. They were submitted to the videofluoroscopic evaluation of oral, pharyngeal, and esophageal phases, swallowing twice 10 mL of liquid and 10 mL of thickened barium boluses.
resultsThe most frequent findings were: oral residues and ineffective ejection in the oral phase; residues in vallecula, pharynx, and pyriform sinuses in the pharyngeal phase; abnormal esophageal motility, longer clearance, and longer transit in the esophageal phase. Laryngeal penetration was seen in 28% of the patients. Patients with increased esophageal diameter had more pharyngeal residues than patients without increased esophageal diameter. None of the patients had airway aspiration.
conclusionMegaesophagus caused by Chagas disease may affect all phases of swallowing, with an increase in oral and pharyngeal residues which suggest the impairment of oral and pharyngeal efficiency. None of the patients had airway aspiration.
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