A new method for determining levels of sedation in dogs: A pilot study with propofol and a novel neuroactive steroid anesthetic

Youngblood, Brad; Ueyama, Yukie; Muir, William W.; Belfort, Gabriel M.; Hammond, R.H.; Dai, Jing; Salituro, Francesco G.; Robichaud, Albert J.; Doherty, James

doi:10.1016/j.jneumeth.2018.05.006

Cited by 3 publications

(1 citation statement)

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“…5 Occasionally, it is necessary to administer drugs that reduce a patient's anxiety, facilitate handling and reduce its level of stress. 3,6,7 The anxiolytic of choice should be one that is safe, well tolerated and one that does not significantly affect cardiovascular and hemodynamic function in order to obtain reliable results in complementary tests and, consequently, avoid an incorrect diagnosis. 8 Gabapentin is a structural analog of gammaaminobutyric acid.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the effects of gabapentin on the physiologic and echocardiographic variables of healthy cats: a prospective, randomized and blinded study

Veronezi

Lopes

Zardo

et al. 2022

Journal of Feline Medicine and Surgery

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Objectives The aim of this study was to evaluate, using echocardiography, the effects of oral administration of a single dose of gabapentin on the physiologic variables (heart rate [HR], respiratory rate [RR] and systolic blood pressure [SBP]) and systolic and diastolic cardiac function of healthy cats. Methods This was a prospective, randomized and blinded study with 40 healthy cats aged between 6 months and 2 years. The cats’ health status was assessed on the first appointment (T1) when they underwent a physical examination, complete blood count, biochemical profile, assessment of physiologic variables and echocardiogram. The echocardiogram was used to measure the left ventricle’s (LV) internal diameter during systole and diastole, isovolumic relaxation time, transmitral flow, E-wave deceleration time and HR. The cats were randomly divided into two groups: (1) a treatment group with 20 cats that received a single oral dose of gabapentin (100 mg/cat); and (2) a control group with 20 cats that received a single oral dose of placebo. All variables of the physiologic and echocardiographic variables were re-evaluated 1–3 weeks after T1 (T2), 90 mins after medication or placebo administration. Results There was no difference in the physiologic variables evaluated in both groups. The proportion of cats in the treatment group that had their ventricular filling waves fused on T1 but did not have them fused on T2 was significantly higher (45%) compared with cats in the control group (15%; P = 0.0384). Conclusions and relevance There was no difference between the groups in regard to SBP, HR, RR and echocardiographic variables. Gabapentin improved evaluation of diastolic function on echocardiogram because it reduced the fusion of ventricular filling waves during the evaluation of the diastolic function of the LV. Gabapentin did not cause adverse effects on the cardiovascular hemodynamics of young healthy cats.

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