Absorption of glucose from urinary conduits in diabetics and non-diabetics.

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Abstract
The ability of urinary conduits to absorb glucose was investigated. A solution containing 1% glucose and the inert marker phenol red was put into conduits in diabetic and non-diabetic patients. Samples were withdrawn at intervals for analysis and the fall in concentrations plotted against time. The loops in the patients without diabetes did not absorb glucose, but glucose was absorbed in one of the three diabetics. Ileal loops in patients with diabetes may absorb urinary glucose. This should be checked in any diabetic with urinary diversion before advice is given on long term management. Routine testing of conduit urine for glucose may not be an adequate screen for diabetes in patients with urinary diversions.