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  • Title: Esophageal involvement in mixed connective tissue disease.
    Author: Doria A, Bonavina L, Anselmino M, Ruffatti A, Favaretto M, Gambari P, Peracchia A, Todesco S.
    Journal: J Rheumatol; 1991 May; 18(5):685-90. PubMed ID: 1865414.
    Abstract:
    A study of esophageal symptoms and function was performed in 21 patients with mixed connective tissue disease (MCTD). Esophageal involvement was found in 18 cases (85%), in 14 (66%) with typical symptoms, in 15 (71%) with manometric abnormalities and in 11 (57%) with both. The manometric pattern was characterized by reduction of amplitude and coordination of peristaltic waves throughout the esophageal body and reduction of lower esophageal sphincter (LES) competency. In comparison, 38 patients with systemic sclerosis showed a similar but more severe pattern, particularly at the level of the distal esophagus and LES. Thus, although similar, the esophageal involvement in MCTD was not exactly the same as that of systemic sclerosis. Furthermore, in MCTD a correlation between manometric abnormalities and cutaneous involvement was lacking, and this suggests that esophageal disorders are not always linked with clinically evident scleroderma-like features of this disease. Since the diagnosis of MCTD is made in the presence of the clinical picture of more than one connective tissue disease, the detection of esophageal involvement by a sensitive technique such as esophageal manometry in a patient with suspected MCTD may be a useful diagnostic aid.
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