Kinetics of urinary recovery of five sugars after orogastric administration in healthy dogs

Jörg M. Steiner, David A. Williams, Erik M. Moeller

Research output: Contribution to journalArticlepeer-review

Abstract

Objective-To describe the kinetics of urinary recovery (UR) of 5 sugars used for gastrointestinal permeability and mucosal function testing following orogastric administration of lactose, rhamnose, xylose, methylglucose, and sucrose. Animals-7 healthy male Beagles. Procedures-A sugar solution containing lactulose, rhamnose, xylose, methylglucose, and sucrose was administered by orogastric intubation to healthy dogs. Urine samples were collected immediately before sugar solution administration (baseline) and at 2-hour intervals thereafter. The UR of the 5 sugars was determined from urine concentrations measured by high pressure liquid chromatography and pulsed amperometric detection. Percent urinary recovery (%UR) of the total UR up to 12 hours after sugar solution administration was calculated for each sugar at 2-hour intervals. Results-Mean %UR exceeded 85% for all 5 sugars at 6 hours after orogastric administration of the sugar solution and exceeded 90% after 8 hours. Conclusions and Clinical Relevance-In healthy dogs, a urine collection period of 6 hours is sufficient for gastrointestinal permeability and mucosal function testing following orogastric administration of lactulose, rhamnose, xylose, methylglucose, and sucrose.

Original languageEnglish (US)
Pages (from-to)845-848
Number of pages4
JournalAmerican journal of veterinary research
Volume63
Issue number6
DOIs
StatePublished - Jan 1 2002
Externally publishedYes

ASJC Scopus subject areas

  • veterinary(all)

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