Abstract
ObjectiveTo assess changes in heart rate and arterial blood pressure following intravenous (IV) gadolinium–based contrast media administration to sevoflurane–anaesthetized dogs undergoing magnetic resonance imaging (MRI). Study designProspective clinical study. AnimalsFifty client–owned dogs (31 male, 19 female; aged 6–156 months; weighing 4.2–45.4 kg; ASA 2–3). MethodsHeart rate and oscillometric blood pressures (systolic, mean and diastolic) were recorded at 10 minutes, 5 minutes and immediately pre–administration of IV gadolinium contrast medium (time 0), then at 1, 2, 3, 5 and 10 minutes post–gadolinium administration. Repeated measures anova was used to compare cardiovascular variables pre and post–gadolinium administration. Significance was set at p < 0.05. ResultsThere were no significant changes in cardiovascular variables following the IV administration of gadolinium. Conclusions and clinical relevanceAdministration IV of gadolinium–based contrast media was not associated with adverse cardiovascular effects in these sevoflurane–anaesthetized dogs undergoing MRI.
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