Abstract
Hoewel real time-echografie mogelijk is bij wakkere katten, worden ze vaak met propofol onder anesthesie gebracht voor echografisch onderzoek in het geval ze moeilijk handelbaar zijn of als perioperatieve onderzoeken nodig zijn. Propofol kan bij katten hypertensie veroorzaken en mogelijk vasodilatatie teweegbrengen, hetgeen leidt tot redistributie van het bloedvolume in abdominale organen en eventueel tot organomegalie. In de voorliggende studie werden echografische metingen van de nieren van gezonde katten vergeleken voor en tijdens de intraveneuze toediening van propofol. Er werd geen significant effect gevonden van propofol op de grootte van de bijnieren; de geobserveerde verschillen waren klein en klinisch irrelevant. Hierdoor kan geconcludeerd worden dat het gebruik van propofol geen invloed heeft op de echografische diagnose van adrenomegalie.
Highlights
Ultrasonography of the feline adrenal glands has been described in healthy and sick cats, either with or without sedation or anesthesia (Cartee et al, 1993; Zimmer et al, 2000; Kley et al, 2007; Zatelli et al, 2007; Combes et al, 2012; Combes et al.; 2013) (Table 1)
Ultrasonographic changes in the adrenal glands have been reported in hyperaldosteronism, hyperadrenocorticism, sex hormone-producing tumor and pheochromocytoma in cats (Feldman and Nelson, 2003)
No significant difference in ultrasonographic adrenal size was detected between preanesthetic and peranesthetic measurements when using intravenous propofol
Summary
Ultrasonography of the feline adrenal glands has been described in healthy and sick cats, either with or without sedation or anesthesia (Cartee et al, 1993; Zimmer et al, 2000; Kley et al, 2007; Zatelli et al, 2007; Combes et al, 2012; Combes et al.; 2013) (Table 1). With new real-time, high-definition, ultrasound devices and increased experience of most of the ultrasonographers, ultrasonographic examination of the feline adrenal gland is nowadays a quick procedure, feasible in awake cats in the majority of cases (Zimmer et al, 2000). During perioperative examinations or in aggressive cats, ultrasound has to be performed under sedation or anesthesia. During computed tomography, propofol has been demonstrated to induce splenomegaly within 10 minutes after intravenous administration while this has not been observed
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