Document Detail

The effects on cardio-respiratory and acid-base variables of the anaesthetic alfaxalone in a 2-hydroxypropyl-β-cyclodextrin (HPCD) formulation in sheep.
MedLine Citation:
PMID:  21543243     Owner:  NLM     Status:  Publisher    
The objective of this study was to determine the pharmacodynamic effects in sheep of the anaesthetic alfaxalone in a 2-hydroxypropyl-β-cyclodextrin formulation. Seven Ripollesa sheep, weighing 43.0±6.6kg, were used in the study. Twenty-four hours after instrumentation, the sheep were anesthetised with alfaxalone (2mg/kg bodyweight IV) in cyclodextrin. Heart rate, arterial blood pressure, respiratory rate and arterial blood gases were recorded. Alfaxalone administration resulted in minimal cardio-respiratory depression. Time to standing from anaesthesia was 22.0±10.6min. Apnoea was not observed in any of the sheep. Significant differences from baseline were not observed in respiratory rate or arterial blood pressure. Heart rate increased significantly (P<0.05) immediately after administration, returning to control values at 20min. The calculated haemoglobin saturation (SO(2)) decreased significantly during the first 15min after alfaxalone administration. The arterial pH decreased significantly during the first 30min of the study, although no significant differences from basal values were observed in the arterial partial pressure of carbon dioxide (PaCO(2)). The results showed that alfaxalone in 2-hydroxypropyl-β-cyclodextrin administered as an IV bolus at 2mg/kg produced minimal adverse effects and an uneventful recovery from anaesthesia in sheep.
A Andaluz; N Felez-Ocaña; L Santos; L Fresno; F García
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-2
Journal Detail:
Title:  Veterinary journal (London, England : 1997)     Volume:  -     ISSN:  1532-2971     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9706281     Medline TA:  Vet J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, Autonomous University of Barcelona (U.A.B), 08193 Bellaterra, Barcelona, Spain.
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