Abstract
The complete manifestation of esophageal Chagas’ disease includes nonperistaltic contractions in the esophageal body, absent lower esophageal sphincter (LES) relaxation, and dilatation of the organ. However, some patients have a minor degree of esophageal denervation and esophageal motility that does not imply a diagnosis of achalasia. Our objective was to evaluate the evolution of esophageal involvement by Chagas’ disease in 28 patients with dysphagia for solids and liquids and a positive serologic test for the disease, 14 with complete LES relaxation, 4 with partial (incomplete) LES relaxation, and 10 with absent LES relaxation; only 2 of them had mild dilatation. The patients (21 women), aged 43–74 years (median 60 years), were evaluated by clinical, radiographic, and manometric methods that were repeated 3–14 years (median 7 years) later. Dysphagia improved in 13 (46.4%) patients, was worse in 5 (17.9%), and did not change in 10 (35.7%). The radiographic examination did not change in 24 (85.7%) and was worse in 3 (10.7%). Esophageal manometry revealed a change from peristaltic to simultaneous contractions in 2 patients (7.1%), LES relaxation changed from complete to partial in 5 (17.9%), and from partial to absent in 2 (7.1%). There was no further clinical, radiographic, or manometric impairment in 15 (53.6%) patients. The symptom duration was longer and the age when they were evaluated was older in patients with no progression of the disease. We conclude that a conspicuous part of this group of patients with esophageal Chagas’ disease and dysphagia had no progression of esophageal disease after 3–14 years. This possibility should be considered when making therapeutic decisions.
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This work was supported in part by Fundação de Apoio ao Ensino, Pesquisa e Assistência do Hospital das Clínicas, Faculdade de Medicina de Ribeirão Preto, USP (FAEPA), and Fundação de Estudos e Projetos (FINEP), Pronex grant number 42/97.
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Meneghelli, U.G., Peria, F.M., Darezzo, F.M. et al. Clinical, Radiographic, and Manometric Evolution of Esophageal Involvement by Chagas’ Disease. Dysphagia 20, 40–45 (2005). https://doi.org/10.1007/s00455-004-0023-4
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DOI: https://doi.org/10.1007/s00455-004-0023-4