Glucosuria

Glucosuria

Basic Information

Definition

Glucose in urine

Synonym(s)

Typical Normal Range (US units; SI units)

Negative in healthy horses

Physiology

Serum glucose is freely filtered by the glomerulus and subsequently reabsorbed from the ultrafiltrate by the proximal tubules. The reabsorption of glucose by the renal tubules is a saturable process, and serum glucose levels above 150 mg/dL result in more glucose in the ultrafiltrate than can be resorbed by the renal tubules.

Causes of Abnormally High Levels

• Hyperglycemic glucosuria (eg, pituitary pars intermedia dysfunction [PPID], Cushing’s disease, and rarely diestrus)

• Renal glucosuria (normoglycemic glucosuria) due to defective renal tubular resorption resulting from tubular abnormalities or damage

• False increase (see later)

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Tags: Clinical Veterinary Advisor The Horse

Jul 24, 2016 | Posted by admin in SMALL ANIMAL | Comments Off

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