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Alterations in horse blood cell count and biochemical values after halothane anesthesia.

Abstract: Quantitative changes in hematologic and serum biochemical values associated with prolonged general anesthesia produced by known alveolar doses of halothane in oxygen were determined in six young, healthy horses under laboratory conditions. In addition, 25 young equine patients anesthetized for shorter periods under clinical conditions were similarly (except hematologic values) prospectively evaluated. In normal horses, muscle- and hepatic-derived serum biochemical values were mildly increased immediately after anesthesia. Values after anesthesia remained at greater than base-line values for up to 4 days. Evidence of minimally depressed renal function was also present immediately after halothane exposure but did not persist beyond the first day.
Publication Date: 1980-06-01 PubMed ID: 7436084
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  • Comparative Study
  • Journal Article

Summary

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This research studies the effects of Halothane anaesthesia on horses and observes changes in horse blood cell count and biochemical values post treatment. The analysis includes prolonged exposure in a laboratory setting and shorter exposures in clinical conditions.

Research Context

  • The research is centered around the impact of a commonly used anaesthetic — Halothane — on the hematologic (concerning the blood) and serum biochemical values in horses. Halothane is prominent in both veterinary and human medicine.
  • The study is split into two sections for comparison. The first involves a prolonged exposure to Halothane under a controlled lab environment on healthy horses. The second examines shorter, more frequent exposures in real-world clinical settings.

Specific Findings

  • Results showed mild increases in muscle- and hepatic (liver)-derived serum biochemical values immediately following anesthesia in a normal horse, indicating the anaesthetic’s impact on the body. These elevated values persisted for up to four days post-anesthesia.
  • Interestingly, the research also found evidence of slightly decreased kidney function following Halothane exposure. This, however, did not persist beyond the first day, suggesting a temporary effect of the anaesthetic on kidney function.

Implications

  • The findings have essential implications for veterinary anaesthesia, as it indicates the possible physiological responses in horses after Halothane exposure. An understanding of these changes could guide vets for post-operative care and monitoring.
  • While potentially alarming, the changes observed were mild and temporary. This suggests that while Halothane does impact horse blood and biochemistry, the effects are not severe or long term. Still, it speaks to the importance of monitoring and appropriate care post-application of anaesthesia in horses.

Cite This Article

APA
Steffey EP, Farver T, Zinkl J, Wheat JD, Meagher DM, Brown MP. (1980). Alterations in horse blood cell count and biochemical values after halothane anesthesia. Am J Vet Res, 41(6), 934-939.

Publication

ISSN: 0002-9645
NlmUniqueID: 0375011
Country: United States
Language: English
Volume: 41
Issue: 6
Pages: 934-939

Researcher Affiliations

Steffey, E P
    Farver, T
      Zinkl, J
        Wheat, J D
          Meagher, D M
            Brown, M P

              MeSH Terms

              • Anesthesia, Inhalation / veterinary
              • Animals
              • Blood Cell Count / veterinary
              • Halothane
              • Hematocrit
              • Horses / blood
              • Leukocyte Count

              Citations

              This article has been cited 2 times.
              1. Valverde A, Gianotti G, Rioja-Garcia E, Hathway A. Effects of high-volume, rapid-fluid therapy on cardiovascular function and hematological values during isoflurane-induced hypotension in healthy dogs. Can J Vet Res 2012 Apr;76(2):99-108.
                pubmed: 23024452
              2. Edner AH, Nyman GC, Essén-Gustavsson B. Metabolism before, during and after anaesthesia in colic and healthy horses. Acta Vet Scand 2007 Nov 15;49(1):34.
                doi: 10.1186/1751-0147-49-34pubmed: 18001483google scholar: lookup