Reduced Blood Pressure and Heart Rate: Several studies have shown that gabapentin can reduce both blood pressure and heart rate in cats. Specifically, one study noted an average 12 bpm decrease in heart rate in gabapentin-treated cats compared to those given a placebo. The cats were evaluated twice, approximately 1 week apart, and BP (Doppler sphygmomanometry) was obtained 3h after cats received either a single dose of gabapentin 10 mg/kg PO or placebo. 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. While some studies suggest that gabapentin can reduce blood pressure and heart rate in cats, others indicate a potential for situational increases in blood pressure, particularly in cats with pre-existing high blood pressure. Objectives: Situational increases in blood pressure (BP) frequently confound the accurate diagnosis of pathological systemic hypertension in cats. The objective of this study was to investigate the effect of gabapentin on direct, ambulatory systolic arterial BP (SBP) in cats in at-home and in-clinic environments. Increasing doses of alfaxalone in cats will produce a dose-dependent decrease in cardiac output and arterial blood pressure; however, at clinical doses, heart rate is preserved and decreases in systemic vascular resistance are minimal. 33,34 Alfaxalone presents an advantage over other injectable anesthetics in its ability to be injected In cats, it showed efficacy in post-ovariohysterectomy-related pain and in anxiety management. In horses, gabapentin has been administered as an analgesic for chronic pain management. Gabapentin is eliminated almost entirely through renal excretion, and decreased renal function significantly influences the pharmacokinetics of gabapentin in humans. 14 While doses of gabapentin in the range of 50–150 mg/cat have been used in normal cats, 4,5,11 it should be noted that higher doses may be unsuitable for cats with CKD. 15 In a The authors concluded that gabapentin affects BP in cats with and without CKD, which should be considered when gabapentin is administered to cats that require BP measurement. Gabapentin Dosage for Cats. The dosage for gabapentin may vary depending on a cat’s size, as well as whether it’s being used as a pain medication, as part of seizure management, or as a sedative before vet visits or travel. From a safety perspective, a gabapentin dosage for cats will typically not exceed 50-100mg per cat to address pain or Figure 2 Estimated marginal mean (95% confidence interval) systolic blood pressure (BP) by treatment and time after administration in a crossover study of five cats treated with gabapentin (100 mg/cat) or placebo in their home environment (study phase 1). Values for each time point represent the mean of all values obtained during the Essentially, the primary research suggests that gabapentin does not cause a direct increase in blood pressure, although some situational increases cannot be excluded in certain cats. Some studies have shown a reduction in blood pressure and heart rate, particularly related to its effect on the nucleus tractus solitarii in the brain, an area Gabapentin is not metabolized or protein bound, and is cleared only by renal excretion in humans; it is unknown whether this is also true in cats. 7 In humans, it has been demonstrated that kidney disease significantly influences the pharmacokinetics (PK) of gabapentin, and a 60% and 85% decrease in gabapentin clearance is seen in moderate and Gabapentin is eliminated almost entirely through renal excretion, and decreased renal function significantly influences the pharmacokinetics of gabapentin in humans. 14 While doses of gabapentin in the range of 50–150 mg/cat have been used in normal cats, 4,5,11 it should be noted that higher doses may be unsuitable for cats with CKD. 15 In a Gabapentin is eliminated almost entirely through renal excretion, and decreased renal function significantly influences the pharmacokinetics of gabapentin in humans. 14 While doses of gabapentin in the range of 50–150 mg/cat have been used in normal cats, 4,5,11 it should be noted that higher doses may be unsuitable for cats with CKD. 15 In a Objectives: The aim of the present study was to assess the effect of gabapentin on blood pressure (BP) in cats with and without chronic kidney disease (CKD). Methods: A randomized, blinded, placebo-controlled crossover study was performed. A total of 29 cats were included: 13 cats with stable CKD (IRIS stage 2-4) and 16 apparently healthy cats If our study finds that gabapentin affects the function of normal cats significantly, judicious use of this medication will be recommended for cats with known or suspected cardiac disease. Benefits. Cats in this study will receive a physical examination, two blood pressure checks, two echocardiograms and two electrocardiograms (ECG). Gabapentin may decrease arterial BP in cats with and without CKD and these findings should be taken into account when gabapentin is administered to patients in which measurement of BP is needed. Visits to the veterinary clinic can be a source of stress for both the feline patient and the caregiver. Gabapentin is eliminated almost entirely through renal excretion, and decreased renal function significantly influences the pharmacokinetics of gabapentin in humans. 14 While doses of gabapentin in the range of 50–150 mg/cat have been used in normal cats, 4,5,11 it should be noted that higher doses may be unsuitable for cats with CKD. 15 In a Situational increases in blood pressure (BP) frequently confound the accurate diagnosis of pathological systemic hypertension in cats. The objective of this study was to investigate the effect of gabapentin on direct, ambulatory systolic arterial BP (SBP) in cats in at-home and in-clinic environments.
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