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Publication type: Journal Article
Document type: Full Paper

Year: 2007

Author(s): Reinprecht, B; Hackl, S; Reisinger, R; Zickl, M; Spona, J; Stanek, C; Zentek, J

Title: Metabolic and clinical traits in horses undergoing feed deprivation for elective orthopaedic surgery.

Source: Berl Munch Tierarztl Wochenschr. 2007; 120(3-4):134-140

Authors Vetmeduni Vienna:

Reisinger Renate
Stanek Christian
Zentek J├╝rgen

Vetmed Research Units
University Equine Clinic, Clinical Unit of Equine Surgery
Institute of Animal Nutrition and Functional Plant Compounds

The objective of this study was to investigate some metabolic and clinical effects of feed deprivation in horses that were submitted for orthopaedic surgery. The effects of preoperative feed restriction were investigated in 20 horses submitted for elective orthopaedic surgery. The patients were fasted from 12 hours before until 4 hours after surgery. Serum free amino acids, glucose,free fatty acids (FFA), white blood cell counts, creatine kinase (CK) and aspartate aminotransferase (AST) were determined 24 hours before surgery, 2 hours after the end of anaesthesia and 24 and 72 hours after surgery. Besides, abdominal sounds, appetite, faecal quality and body temperature were examined. Serum free amino acids did not react homogenously, concentrations were partly increasing or decreasing. Plasma glucose and FFA increased after surgery and returned to their preoperative levels 72 hours after surgery. A significant rise of the segmented granulocytes occurred 24 hours after surgery, all other parameters of the leukogram did not exceed the physiological range. AST reached its highest activity 24 hours after surgery, whereas CK activities were highest at 2 hours after surgery. Abdominal sounds were significantly reduced until 24 hours after surgery, however, appetite was not depressed. Faecal quality was physiological after surgery. Mean body temperature stayed within the physiological range. In conclusion, a relatively short perioperative fasting period had significant effects on the metabolic traits in horses, however the effects on physiological functions were minor. The consequences of major surgical procedures need to be addressed in future studies.

Keywords Pubmed: Amino Acids/blood
Blood Cell Count/veterinary
Blood Chemical Analysis/veterinary
Food Deprivation*
Horse Diseases/surgery*
Perioperative Care/veterinary
Postoperative Complications/veterinary
Preoperative Care/methods
Preoperative Care/veterinary*
Time Factors

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