Why the study?
Does anesthesia with isoflurane affect echocardiographic measurements in clinically healthy adult chinchillas compared to the awake state?
Does anesthesia with isoflurane affect echocardiographic measurements in clinically healthy adult chinchillas compared to the awake state?
Isoflurane anesthesia alters multiple echocardiographic measurements in chinchillas compared to the awake state, which is important for establishing accurate reference values.
Anesthesia alters echo parameters in chinchillas; leaves open need for species-specific awake reference intervals in veterinary practice.
Heart disease has been described in the chinchilla and, with increasing popularity as a pet, the demand for diagnostic evaluation and treatment has increased. The goal of this study was to determine reference values for echocardiographic measurements in chinchillas and the effect of anesthesia on these measurements. Seventeen clinically healthy adult chinchillas were studied. All animals were anesthetized with isoflurane by mask. Standard echocardiographic views were used. A difference was seen in the echocardiographic measurements for left ventricular systolic dimension, fractional shortening, aortic (Ao) diameter, left atrial (LA) diameter, ratio of LA diameter to Ao diameter, and peak flow velocities and ejection times for Ao and pulmonary artery flows between awake and anesthetized chinchillas.
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Linde et al. (2004) studied this question.
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