Key result
Prophylactic atropine prevents ephedrine-induced bradycardia without causing tachycardia in anesthetized dogs.
Why the study?
To confirm the reproducibility of ephedrine-induced cardiac baroreceptor reflex and bradycardia, and to evaluate the safety of prophylactic atropine to prevent this reflex in anesthetized dogs.
Does prophylactic atropine prevent ephedrine-induced cardiac baroreceptor reflex bradycardia in anesthetized dogs?
Does prophylactic atropine prevent ephedrine-induced cardiac baroreceptor reflex bradycardia in anesthetized dogs?
Prophylactic atropine safely prevents ephedrine-induced bradycardia mediated by the cardiac baroreceptor reflex in anesthetized dogs.
Answers are grounded in this paper and cite their sources.
Supports prophylactic atropine in veterinary anesthesia; leaves open translation to human perioperative care.
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Seki et al. (2025) studied Healthy dogs (n=6). Atropine vs. Saline was evaluated on Cardiovascular parameters (blood pressure, heart rate, stroke volume index, cardiac index) and immediate parasympathetic tone activity. Prophylactic administration of atropine safely prevented ephedrine-induced bradycardia in anesthetized dogs without causing adverse events such as tachycardia.
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