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Repeatability of the sugar-absorption test, using lactulose and mannitol, for measuring intestinal permeability for sugars. 1995

R M van Elburg, and J J Uil, and F T Kokke, and A M Mulder, and W G van de Broek, and C J Mulder, and H S Heymans
Department of Pediatrics, Beatrix Children's Hospital, University Hospital of Groningen, The Netherlands.

Differential sugar-absorption tests for measuring intestinal permeability for sugars have been studied in a variety of gastrointestinal diseases. Their use in general practice has been hampered by a lack of data on reference values and repeatability of the test and the laboratory assay. In this study, we determined the reference values of the sugar-absorption test, using lactulose and mannitol as probe molecules, for children and adults. The repeatability of the test is good; linear relationship: slope, 0.825 [95% confidence interval (CI), 0.571, 1.152); intercept, 0.005 (95% CI, -0.004, 0.010). The repeatability of the laboratory assay for the sugar-absorption test is excellent; linear relationship: slope, 1.014 (95% CI, 0.870, 1.094); intercept, 0.002 (95% CI, -0.005, 0.010). The validation of the sugar-absorption test makes the test useful as a simple, noninvasive, reliable intestinal permeability test for sugars, which can be of use for clinical practice. Taking possible interfering factors into account, the sugar-absorption test can be used as a diagnostic test for enteropathy of different etiologies and evaluation of therapeutic interventions in both children and adults. Studies with the sugar-absorption test may clarify the role of intestinal permeability in the pathophysiology of a variety of gastrointestinal diseases.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007408 Intestinal Absorption Uptake of substances through the lining of the INTESTINES. Absorption, Intestinal
D007792 Lactulose A synthetic disaccharide used in the treatment of constipation and hepatic encephalopathy. It has also been used in the diagnosis of gastrointestinal disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p887) Amivalex,Duphalac,Normase
D008297 Male Males
D008353 Mannitol A diuretic and renal diagnostic aid related to sorbitol. It has little significant energy value as it is largely eliminated from the body before any metabolism can take place. It can be used to treat oliguria associated with kidney failure or other manifestations of inadequate renal function and has been used for determination of glomerular filtration rate. Mannitol is also commonly used as a research tool in cell biological studies, usually to control osmolarity. (L)-Mannitol,Osmitrol,Osmofundin
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D002446 Celiac Disease A malabsorption syndrome that is precipitated by the ingestion of foods containing GLUTEN, such as wheat, rye, and barley. It is characterized by INFLAMMATION of the SMALL INTESTINE, loss of MICROVILLI structure, failed INTESTINAL ABSORPTION, and MALNUTRITION. Gluten Enteropathy,Sprue, Celiac,Sprue, Nontropical,Celiac Sprue,Gluten-Sensitive Enteropathy,Sprue,Disease, Celiac,Enteropathies, Gluten,Enteropathies, Gluten-Sensitive,Enteropathy, Gluten,Enteropathy, Gluten-Sensitive,Gluten Enteropathies,Gluten Sensitive Enteropathy,Gluten-Sensitive Enteropathies,Nontropical Sprue
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children

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