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  • Title: Is the 14C-triolein breath test useful in the assessment of malabsorption in clinical practice?
    Author: Benini L, Scuro LA, Menini E, Manfrini C, Vantini I, Vaona B, Brocco G, Talamini G, Cavallini G.
    Journal: Digestion; 1984; 29(2):91-7. PubMed ID: 6734960.
    Abstract:
    A 14C-triolein breath test was carried out on 49 subjects suffering from chronic pancreatitis or from other digestive diseases, and its results were compared with the daily fecal fat excretion. The 14CO2 peak excretion was abnormal in all the subjects with a fecal fat excretion above 14 g/day, whereas individual values of 14CO2 peak excretion in subjects without steatorrhea and with a fecal fat excretion ranging from 7.1 to 14 g overlapped. The lowest value observed in patients not suffering from steatorrhea was chosen as the lower normal limit of 14CO2 peak excretion. A test sensitivity as high as 64% was attained. The correlation between fecal fat and 14CO2 peak excretion was highly significant (r = 0.802; p less than 0.0001), and it followed a negative exponential function. Therefore, small variations in the 14CO2 peak excretion can be associated with a wide range of fecal fat excretion. Well-compensated diabetes secondary to pancreatitis did not interfere with the results of the test. In conclusion, in our experience this test proved to be a qualitative diagnostic tool with a low sensitivity.
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