Fecal bile acid excretion profile in gallstone patients (original) (raw)
Epidemiological studies have shown a positive association between cholesterol gallstones and colonic cancer. These two diseases may be somehow related with bile acids metabolic alterations. The aim of this study was to evaluate the profiles of fecal bile acid in gallstone patients, in order to estimate the quality and amount of fecal bile acids. A fecal bile acid profile of ten gallstone patients and ten controls was compared using high performance liquid chromatography. Total fecal bile acid excretion was significantly increased in gallstone patients compared with controls (692.7 mg/day (302.5-846.2) vs 165.7 mg/day (138.7-221.3), p < 0.01) as was the excretion of secondary free bile acids 562.9 mg/day (253.3-704.9) vs 99.9 mg/day (88.9-154.2), p < 0.01). Lithocholic and glycodeoxycholic acid percentages have also been found to show differences with controls of 55.4 (47.4-73.9) vs 24.6 (22.1-38.4) (p < 0.01) and 29.4 (3.3-41.7) vs 2.8 (1.0-3.8) (p < 0.03), respectively ...
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