What question did this study set out to answer?

To evaluate the echocardiographic effects of xylazine alone and in combination with glycopyrrolate on cardiac performance in healthy cats.

October 1, 1986American Journal of Veterinary Research

Cardiac performance in cats after administration of xylazine or xylazine and glycopyrrolate: Echocardiographic evaluations

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Authors

NDNancy DunkleCornell University NMN. Sydney MoïseCornell University JSJanet M. Scarlett‐KranzCornell University

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Implication

Interventional study demonstrates reduced cardiac performance after xylazine sedation in cats, indicating glycopyrrolate does not reverse myocardial depression.

Key Points

To evaluate the echocardiographic effects of xylazine alone and in combination with glycopyrrolate on cardiac performance in healthy cats.
Evaluated 9 healthy cats under four conditions: manual restraint alone (baseline control), after IM administration of 0.55 mg/kg xylazine, after IM administration of 2.2 mg/kg xylazine, and after IM administration of 0.011 mg/kg glycopyrrolate followed 10 minutes later by 2.2 mg/kg xylazine.
Assessed cardiac performance using echocardiographic parameters including fractional shortening, left ventricular wall amplitude, aortic amplitude, and mitral valve E point septal separation.
Both low-dose (0.55 mg/kg) and high-dose (2.2 mg/kg) xylazine caused a significant decrease in left ventricular function and heart rate compared to baseline controls (P < 0.05).
Pretreatment with glycopyrrolate minimized xylazine-induced bradycardia but did not improve cardiac performance, resulting in a non-significant further decline in ventricular function relative to high-dose xylazine alone.
The reduction in left ventricular performance induced by xylazine alone or combined with glycopyrrolate occurred independently of heart rate.

Cite This Study

Dunkle et al. (1986) studied this question.

synapsesocial.com/papers/6a92cbf5eb36ee42261834e5 https://doi.org/10.2460/ajvr.1986.47.10.2212

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Implication

Interventional study demonstrates reduced cardiac performance after xylazine sedation in cats, indicating glycopyrrolate does not reverse myocardial depression.

Cardiac performance in cats after administration of xylazine or xylazine and glycopyrrolate: Echocardiographic evaluations

Discussion

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Implication

Key Points

Cite This Study

Cardiac performance in cats after administration of xylazine or xylazine and glycopyrrolate: Echocardiographic evaluations

Discussion

Member takes

Implication

Key Points

Cite This Study

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