Document Detail

Antinociceptive effects of nalbuphine hydrochloride in Hispaniolan Amazon parrots (Amazona ventralis).
MedLine Citation:
PMID:  21627517     Owner:  NLM     Status:  In-Data-Review    
Objective-To evaluate the antinociceptive effects and duration of action of nalbuphine HCl administered IM on thermal thresholds in Hispaniolan Amazon parrots (Amazona ventralis). Animals-14 healthy adult Hispaniolan Amazon parrots of unknown sex. Procedures-3 doses of nalbuphine (12.5, 25, and 50 mg/kg, IM) and saline (0.9% NaCl) solution (control treatment) were evaluated in a blinded complete crossover experimental design by use of foot withdrawal threshold to a noxious thermal stimulus. Baseline data on thermal threshold were generated 1 hour before administration of nalbuphine or saline solution; thermal threshold measurements were obtained 0.5, 1.5, 3, and 6 hours after administration. Results-Nalbuphine administered IM at 12.5 mg/kg significantly increased the thermal threshold (mean change, 2.4°C), compared with results for the control treatment, and significantly changed thermal threshold for up to 3 hours, compared with baseline results (mean change, 2.6° to 3.8°C). Higher doses of nalbuphine did not significantly change thermal thresholds, compared with results for the control treatment, but had a significant effect, compared with baseline results, for up to 3 and 1.5 hours after administration, respectively. Conclusions and Clinical Relevance-Nalbuphine administered IM at 12.5 mg/kg significantly increased the foot withdrawal threshold to a thermal noxious stimulus in Hispaniolan Amazon parrots. Higher doses of nalbuphine did not result in significantly increased thermal thresholds or a longer duration of action and would be expected to result in less analgesic effect than lower doses. Further studies are needed to fully evaluate the analgesic effects of nalbuphine in psittacine species.
David Sanchez-Migallon Guzman; Butch Kukanich; Nicholas S Keuler; Julia M Klauer; Joanne R Paul-Murphy
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of veterinary research     Volume:  72     ISSN:  1943-5681     ISO Abbreviation:  Am. J. Vet. Res.     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-06-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375011     Medline TA:  Am J Vet Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  736-40     Citation Subset:  IM    
Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI 53706.
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