Journal
VETERINARY JOURNAL
Volume 190, Issue 2, Pages 273-277Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tvjl.2010.10.013
Keywords
Ultrasound; Cat; Spleen; Haemodynamic effects; Contrast-enhanced ultrasound
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Funding
- Orion-Farmos Research Foundation
- Helvi-Knuuttila Trust
- Finnish Veterinary Foundation
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The spleens of 18 healthy cats were imaged using contrast-enhanced ultrasound (CEUS) to evaluate splenic perfusion and to compare perfusion patterns in awake and anaesthetised cats. Two groups of cats were imaged; the first (Group 1) consisted of 10 young, anaesthetised cats and the second (Group 2) comprised eight young to middle aged cats that were initially imaged when awake and later following anaesthesia. A two-phase enhancement of the spleen was observed both in awake and in anaesthetised cats. The ;time to first appearance of the contrast was significantly faster in awake (3.9 +/- 0.6 s) than anaesthetised (4.8 +/- 1.0 s) cats in Group 2 (P = 0.031). A marked heterogeneous perfusion pattern was more prevalent in the anaesthetised (50%) compared to the awake (12.5%) animals in Group 2. The spleen was heterogeneous for approximately 30 s in all groups. The results indicated that CEUS suspected focal perfusion defects of the spleen, especially during general anaesthesia, should be evaluated with caution and only after the initial heterogeneity has disappeared. (C) 2010 Elsevier Ltd. All rights reserved.
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