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5 lis 2016 · The splenophrenic shunt pattern was found in 3 dogs of the CPSS group as a single congenital anomaly without PH and in 2 dogs of the APSS group associated with MAPSS and ascites due to different hepatic diseases causing PH.
CT angiography was performed on 25 dogs subsequently proven to have an extrahepatic portosystemic shunt. The anatomy of each shunt and portal tributary vessels was assessed. Three-dimensional images of each shunt type were created to aid understanding of shunt morphology.
14 lip 2020 · Extrahepatic portal anatomy was normal in 89 of 90 (99%) dogs. One dog that had a single IHPSS inserting into the left phrenic vein, had evidence of multiple acquired extrahepatic portosystemic shunts adjacent to the caudal pole of the right kidney.
the shunt itself or the left phrenic vein.1 • Portoazygous shunts: Portoazygous shunts typically involve the left (most commonly) or right gastric veins and traverse the diaphragm through the oesophageal hiatus to insert in the azygous vein within the thorax.44 These shunts may be identified intraabdominally by
Shunts may connect the portal vein with the caudal vena cava directly, or may originate from a portal tributary, such as the left gastric vein, and terminate on a caval tributary, such as the phrenic vein. In a small percentage of dogs, the prehepatic portal vein is also congenitally absent.
27 lut 2024 · Laparotomy is the standard surgical procedure for CEHPSS in dogs, with the goal of completely occluding the shunt vessels in the inflow area leading to the systemic circulation (1 – 5). The main anatomical types of CEHPSS include spleno-caval, spleno-azygos, right gastric-caval and right gastric-azygos shunts (6 – 10).
phrenic vein, left colic vein or umbilical vein remnant. A full abdominal exploration is, therefore, strongly advised in every case. If no shunt can be found, intravenous mesenteric portovenography is recommended, as is a liver biopsy to rule out microvascular dysplasia (hypoplasia of the portal vein). Finding the shunt (intrahepatic)
