Peer-reviewed veterinary case report
How anesthetic breathing circuits affect cat body temperature
By Kelly, Christopher K et al.·Published in Journal of the American Veterinary Medical Association·2012·Department of Clinical Sciences, United States·View original on PubMed →
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Original publication title: Effect of anesthetic breathing circuit type on thermal loss in cats during inhalation anesthesia for ovariohysterectomy.
- Species:
- cat
Plain-English summary
A group of 141 female cats undergoing routine spay surgery (ovariohysterectomy) were monitored to see how different anesthetic breathing systems affected their body temperature. The cats were given anesthesia through either a nonrebreathing circuit or a reduced volume circle system. It turned out that the type of breathing circuit didn't make a difference in their body temperatures during the surgery; instead, how long the surgery lasted was more important. This means that pet owners can focus on the duration of the procedure when considering their cat's comfort during anesthesia.
People also search for: cat spay surgery recovery · cat anesthesia temperature · how long does cat spay surgery take
Abstract
OBJECTIVE: To compare the effects of a nonrebreathing circuit versus a reduced volume circle anesthetic breathing circuit on body temperature change in cats during inhalation anesthesia for ovariohysterectomy. DESIGN: Randomized, controlled clinical trial. ANIMALS: 141 female domestic cats hospitalized for routine ovariohysterectomy. PROCEDURES: Cats were randomly assigned to receive inhalation anesthetics from either a nonrebreathing circuit or a reduced volume circle system with oxygen flow rates of 200 and 30 mL/kg/min (90.9 and 13.6 mL/lb/min), respectively. Body temperatures were monitored throughout the anesthetic period via an intrathoracic esophageal probe placed orally into the esophagus to the level of the heart base. RESULTS: No difference in body temperature was found between the 2 treatment groups at any measurement time. The duration of procedure had a significant effect on body temperature regardless of the type of anesthetic circuit used. CONCLUSIONS AND CLINICAL RELEVANCE: Duration of the procedure rather than the type of anesthetic circuit used for inhalation anesthesia was more influential on thermal loss in cats undergoing ovariohysterectomy.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/22607595/