Document Detail

Anaesthetic and cardiopulmonary effects of intramuscular morphine, medetomidine and ketamine administered to telemetered cats.
MedLine Citation:
PMID:  17198759     Owner:  NLM     Status:  MEDLINE    
The quality and duration of anaesthesia, cardiorespiratory effects and recovery characteristics of a morphine, medetomidine, ketamine (MMK) drug combination were determined in cats. Six healthy, adult female cats were administered 0.2 mg/kg morphine sulphate, 60 microg/kg medetomidine hydrochloride, and 5 mg/kg ketamine hydrochloride intramuscularly. Atipamezole was administered intramuscularly at 120 min after MMK administration. Time to lateral recumbency, intubation, extubation and sternal recumbency were recorded. Cardiorespiratory variables and response to a noxious stimulus were recorded before and at 3 min and 10 min increments after drug administration until sternal recumbency. The time to lateral recumbency and intubation were 1.9+/-1.2 and 4.3+/-1.2 min, respectively. Body temperature and haemoglobin saturation with oxygen remained unchanged compared to baseline values throughout anaesthesia. Respiratory rate, tidal volume, minute volume, heart rate, and blood pressure were significantly decreased during anaesthesia compared to baseline values. One cat met criteria for hypotension (systolic blood pressure <90 mmHg). End tidal carbon dioxide increased during anaesthesia compared to baseline values. All but one cat remained non-responsive to noxious stimuli from 3 to 120 min. Time to extubation and sternal recumbency following atipamezole were 2.9+/-1.1 and 4.7+/-1.0 min, respectively. MMK drug combination produced excellent short-term anaesthesia and analgesia with minimal cardiopulmonary depression. Anaesthesia lasted for at least 120 min in all but one cat and was effectively reversed by atipamezole.
Ashley J Wiese; William W Muir
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Publication Detail:
Type:  Journal Article     Date:  2007-01-02
Journal Detail:
Title:  Journal of feline medicine and surgery     Volume:  9     ISSN:  1098-612X     ISO Abbreviation:  J. Feline Med. Surg.     Publication Date:  2007 Apr 
Date Detail:
Created Date:  2007-03-26     Completed Date:  2007-06-14     Revised Date:  2007-12-07    
Medline Journal Info:
Nlm Unique ID:  100897329     Medline TA:  J Feline Med Surg     Country:  England    
Other Details:
Languages:  eng     Pagination:  150-6     Citation Subset:  IM    
Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon Tharp Street, Columbus, OH 43210-1089, United States.
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MeSH Terms
Analgesics, Opioid / administration & dosage
Analysis of Variance
Anesthesia / veterinary*
Anesthetics, Combined / administration & dosage
Anesthetics, Dissociative / administration & dosage
Cats / physiology*
Central Nervous System Depressants / administration & dosage*
Heart Rate / drug effects
Hypnotics and Sedatives / administration & dosage
Injections, Intramuscular / veterinary
Ketamine / administration & dosage*
Medetomidine / administration & dosage*
Morphine / administration & dosage*
Respiration / drug effects
Reg. No./Substance:
0/Analgesics, Opioid; 0/Anesthetics, Combined; 0/Anesthetics, Dissociative; 0/Central Nervous System Depressants; 0/Hypnotics and Sedatives; 57-27-2/Morphine; 6740-88-1/Ketamine; 86347-14-0/Medetomidine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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