Effect of furosemide on urine specific gravity and osmolality in thoroughbred racehorses

Jeffrey Bosken, Thomas Tobin, George Mundy, Mitzi Fisher, Marie Gantz, Robert Banks, Jane Quandt, Hui Chu Lin, David Daunt

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Postrace urine samples from thoroughbred horses were examined to compare osmolality and specific gravity between horses treated with furosemide and those not treated. Samples were assigned to groups in relation to reported medication (furosemide) status, race finish position, and distance of race. Urine osmolality was significantly (P < .05) lower in samples from horses treated with furosemide when compared with untreated horses. Specific gravity determinations are less precise at measuring urine osmolality at lower levels (1.01 g/ml or less). The measurement of osmolality is a superior method for determining the urine solute concentration and facilitating the regulation of furosemide.

Original languageEnglish
JournalVeterinary Therapeutics
Volume4
Issue number3
StatePublished - 2003

ASJC Scopus subject areas

  • General Veterinary

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