Annales d'endocrinologie · 2009
Thyroid and gastric autoimmune diseases.
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Morel S, Georges A, Bordenave L, Corcuff J-B
Аннотация
OBJECTIVES: Autoimmune thyroid disease (AITD) is frequently accompanied by other organ-specific diseases. We investigated the frequency of the association AITD-Biermer's disease (BD) in patients with AITD by investigating the prevalence of intrinsic factor antibodies (IF-Ab).
DESIGN AND METHODS: Sera from 113 patients with AITD (hypo- or hyperthyroidism) were screened for the presence of type I IF-Ab with a competitive automated immunoassay based. Matched sera from 113 patients with dysthyroidism (not AITD) were tested.
RESULTS: Four IF-Ab positive patients suffered from AITD. BD was known for two of them and strongly suspected in the two others. All patients with no AITD tested IF-Ab negative. B12 levels were often low whatever the etiology.
CONCLUSION: The prevalence of IF-AbI is higher (3.5%) in patients with AITD. Prospective studies should investigate whether correcting thyroid dysfunction improves vitamin B12 levels, and establish whether routine screening for gastric autoimmunity is clinically useful or purely academic.
DESIGN AND METHODS: Sera from 113 patients with AITD (hypo- or hyperthyroidism) were screened for the presence of type I IF-Ab with a competitive automated immunoassay based. Matched sera from 113 patients with dysthyroidism (not AITD) were tested.
RESULTS: Four IF-Ab positive patients suffered from AITD. BD was known for two of them and strongly suspected in the two others. All patients with no AITD tested IF-Ab negative. B12 levels were often low whatever the etiology.
CONCLUSION: The prevalence of IF-AbI is higher (3.5%) in patients with AITD. Prospective studies should investigate whether correcting thyroid dysfunction improves vitamin B12 levels, and establish whether routine screening for gastric autoimmunity is clinically useful or purely academic.