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Parry, Andrew and White, Robert N. (2018) Post-temporary ligation intra-operative mesenteric portovenography: comparison with computed tomographic angiography for investigation of portosystemic shunts. Journal of Small Animal Practice, 59 (2). pp. 106-111. ISSN 1748-5827

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Abstract

Objectives: Comparison of pre-operative computed tomographic angiography and post-temporary full ligation intraoperative mesenteric portovenography for the documentation of the intrahepatic portal vasculature in patients with single extrahepatic portosystemic shunts.

Methods: Retrospective study of patients with extrahepatic portosystemic shunts that underwent preoperative computed tomographic angiography and intra-operative mesenteric portovenography after temporary full ligation of an identified shunt vessel. Studies were compared for appearance of the intrahepatic portal vasculature.

Results: Fourteen dogs and five cats were included in the study with various single congenital extrahepatic portosystemic shunts variations. With the exception of those shunts involving the right gastric vein, the identification of the intrahepatic arborisation was similar on both modalities. Subjectively, however, there was improved contrast enhancement, as well as slight enlargement of the intrahepatic portal vasculature, on portovenography compared to computed tomographic angiography.

Clinical significance: This paper shows that computed tomographic angiography cannot replace intraoperative mesenteric portovenography after temporary full ligation, which provides

information regarding the development of intrahepatic portal vascularity. It is a practical and dynamic procedure providing results which are instantaneously available at the time of surgery. In addition, TFL-IOMP confirmed both that the shunting vessel had been recognised and only one vessel was present.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/908594
Additional Information:	This is the peer reviewed version of the following article: Parry, A. T. and White, R. N. (2018), Post-temporary ligation intraoperative mesenteric portovenography: comparison with CT angiography for investigation of portosystemic shunts. J Small Anim Pract, 59: 106–111. doi:10.1111/jsap.12786 which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1111/jsap.12786/abstract. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Keywords:	Intraoperative mesenteric portovenography (IOMP), computed tomographic angiography (CTA), portosystemic shunt
Schools/Departments:	University of Nottingham, UK > Faculty of Medicine and Health Sciences > School of Veterinary Medicine and Science
Identification Number:	https://doi.org/10.1111/jsap.12786
Depositing User:	Eprints, Support
Date Deposited:	03 Oct 2017 13:24
Last Modified:	04 May 2020 19:29
URI:	https://eprints.nottingham.ac.uk/id/eprint/46902

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