Abstract Title:

Macroamylasemia in patients with celiac disease.

Abstract Source:

Am J Gastroenterol. 2001 Apr ;96(4):1096-100. PMID: 11316153

Abstract Author(s):

A Rabsztyn, P H Green, I Berti, A Fasano, J A Perman, K Horvath

Article Affiliation:

Department of Pediatrics, University of Maryland at Baltimore, USA.


OBJECTIVE: Macroamylasemia is considered to be rarely associated with celiac disease (CD). We have evaluated patients in whom macroamylasemia or elevated total amylase (TA) led to the diagnosis of CD. These cases served as a catalyst for examining the prevalence of elevated TA and macroamylase (MA) in patients with active CD.

METHOD: Total amylase and MA measurements were performed in the sera of 124 celiac patients with positive antiendomysium and tissue transglutaminase tests, in 100 patients on gluten-free diet (GFD) with negative serology test results, and in the sera of 89 healthy controls. Macroamylasemia was measured by using the PEG precipitation method.

RESULTS: Twenty-three newly diagnosed celiac patients had elevated serum amylase levels (>2 SD above the controls). The average TA and MA levels were significantly elevated in both celiac groups. The nonprecipitated amylase levels (pancreatic and salivary amylase fractions) were not different from those of the controls. Three controls (3.4%), 21 newly diagnosed celiac (16.8%), and seven patients on GFD (7%) had significantly elevated MA activity in their sera.

CONCLUSIONS: A significant percentage of the newly diagnosed patients with CD have macroamylasemia. Serum MA remained elevated in some patients on strict GFD. In addition, in the presence of an elevated amylase or MA the possibility of CD should be considered.

Study Type : Human Study

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Sayer Ji
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