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2025, Vol: 15, Issue: 9
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Case Report


UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS

Mario Ricciardi.


Cited By:10

Abstract
Extrahepatic porto-systemic shunt (PSS) in small animals can be congenital (CPSS) or acquired (APSS) as a consequence of portal hypertension (PH), and are distinguished on the bases of their anatomical pattern. A precise morphologic imaging assessment, along with clinical and histopathologic findings, is important for distinguishing patients with PH from those with congenital PSSs, which require different therapeutic approach. Expected findings in patients with PH are presence of ascites, multiple APSS, and a confirmed cause of portal flow obstruction. On the other hand, a single PSS, absence of ascites and no evidence of portal vein, caudal vena cava or hepatic disorders are typical findings of CPSS patients. This paper describes four cases of PSSs in which the combination of the computed tomographic imaging findings did not match the standards for APSS nor for CPSS: one dog had chronic hepatitis causing PH and ascites and a splenoazygos PSS, to date considered a CPSS pattern. One dog showed a left splenogonadal PSS and porto-caval varices, to date considered APSS pattern, without ascites, portal vein obstruction or primary structural hepatic disorders. Two cats, with and without diffuse hepatic structural disorders respectively, had a single left splenogonadal PSS without ascites. Possible interpretation of such unusual haemodynamic conditions and clinical repercussion, especially for orientation of treatment choice, are discussed.

Key words: Computed tomography, Dog, Cat, Portal hypertension, Portosystemic shunt, haemodynamic.


 
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How to Cite this Article
Pubmed Style

Mario Ricciardi. UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS. Open Vet. J.. 2017; 7(2): 86-94. doi:10.4314/ovj.v7i2.2

Web Style

Mario Ricciardi. UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS. https://www.openveterinaryjournal.com/?mno=249396 [Access: October 30, 2025]. doi:10.4314/ovj.v7i2.2

AMA (American Medical Association) Style

Mario Ricciardi. UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS. Open Vet. J.. 2017; 7(2): 86-94. doi:10.4314/ovj.v7i2.2


Vancouver/ICMJE Style

Mario Ricciardi. UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS. Open Vet. J.. (2017), [cited October 30, 2025]; 7(2): 86-94. doi:10.4314/ovj.v7i2.2


Harvard Style

Mario Ricciardi (2017) UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS. Open Vet. J., 7 (2), 86-94. doi:10.4314/ovj.v7i2.2


Turabian Style

Mario Ricciardi. 2017. UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS. Open Veterinary Journal, 7 (2), 86-94. doi:10.4314/ovj.v7i2.2


Chicago Style

Mario Ricciardi. "UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS." Open Veterinary Journal 7 (2017), 86-94. doi:10.4314/ovj.v7i2.2


MLA (The Modern Language Association) Style

Mario Ricciardi. "UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS." Open Veterinary Journal 7.2 (2017), 86-94. Print. doi:10.4314/ovj.v7i2.2


APA (American Psychological Association) Style

Mario Ricciardi (2017) UNUSUAL HAEMODYNAMICS IN TWO DOGS AND TWO CATS WITH PORTOSYSTEMIC SHUNT – IMPLICATIONS FOR DISTINGUISHING BETWEEN CONGENITAL AND ACQUIRED CONDITIONS. Open Veterinary Journal, 7 (2), 86-94. doi:10.4314/ovj.v7i2.2


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