The dextrose tolerance test is now being extensively employed as a diagnostic procedure. It is most beneficially used in the differentiation of mild diabetes mellitus and renal diabetes. It is also being used, and is believed to be of diagnostic value, in many pathologic conditions, such as encephalitis, malignant tumor, pituitary and thyroid dysfunctions and nephritis.1
Although it is definitely established as a diagnostic procedure, there is some diversity of opinion concerning what constitutes a normal response to the oral administration of dextrose. Some writers state that in a healthy person there may be a postprandial rise in blood sugar of from 14 to 16 per cent and a return to the normal within two hours.2 There are other writers3 who consider a postprandial hyperglycemia of 20 per cent within normal limits. It is generally believed that the persistence of the postprandial hyperglycemia is of more diagnostic significance than the
SWEENEY JS. DIETARY FACTORS THAT INFLUENCE THE DEXTROSE TOLERANCE TESTA PRELIMINARY STUDY. Arch Intern Med (Chic). 1927;40(6):818–830. doi:10.1001/archinte.1927.00130120077005
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