PSS Exam Study questions all Solved 100%
CORRECT/ Answers
Breeds that get extrahepatic shunts - ✔✔yorkshire terrier
Miniature schnauzer
Maltese
Havanese
Miniature poodle
And DSH cats
What % of PSS are extrahepatic - ✔✔60-94%
What is the easier type of PSS to manage sx - ✔✔extrahepatic single
Where is a extrahepatic single PSS usually locatd? Second most common located? Third? -
✔✔1 =gastrosplenic to vena cava
2 = portocaval shunt
3 =portoazygos shunt
TQ baby yorkie, 4 mo, with a low BUN - ✔✔it has PSS
Causes of multiple acquired PSS - ✔✔1. Chronic portal hypertension
2. sequelae to acute or gradual congenital shunt attenuation
What 4 things cause chronic portal hypertension leading to multiple acquired PSS - ✔✔portal
v hypoplasia aka microvascular dysplasia
Hepatic fibrosis in a young animal
Chronic hepatitis, cirrhosis
, Hepatic arteriovenosus, malformation
Age of getting an acquired PSS - ✔✔between 1-7 yrs
Acquired PSS is _% of shunts dx in dogs - ✔✔17%
Not particularly common
Sx tx of multiple acquired PSS - ✔✔they're al over the place and therefore too many to sx tx
Tx of acquired extrahepatic PSS - ✔✔aimed at controlling hepatic encephalopathy and slowly
progression of liver disease
>not typically tx sx
Prognosis of acquired extrahepatic PSS - ✔✔1ry liver dz = poor
But post-attenuation is often asymptomatic
Hx associated with congenital PSS - ✔✔varied
Failure to thrive, "runt"
Neurologic signs
Urinary complaints
Unanticipated prolonged response to anesthetic RX
What is usually the first clue a pt has a congenital PSS - ✔✔when you do a spay/neuter and
there's a prolonged recovery from anesthesia
Why do congenital PSS puppies have urinary issues? - ✔✔at an increased risk to ammonium
biurate crystals >> leads to a 2ry bact infection due to urinary calculi
CORRECT/ Answers
Breeds that get extrahepatic shunts - ✔✔yorkshire terrier
Miniature schnauzer
Maltese
Havanese
Miniature poodle
And DSH cats
What % of PSS are extrahepatic - ✔✔60-94%
What is the easier type of PSS to manage sx - ✔✔extrahepatic single
Where is a extrahepatic single PSS usually locatd? Second most common located? Third? -
✔✔1 =gastrosplenic to vena cava
2 = portocaval shunt
3 =portoazygos shunt
TQ baby yorkie, 4 mo, with a low BUN - ✔✔it has PSS
Causes of multiple acquired PSS - ✔✔1. Chronic portal hypertension
2. sequelae to acute or gradual congenital shunt attenuation
What 4 things cause chronic portal hypertension leading to multiple acquired PSS - ✔✔portal
v hypoplasia aka microvascular dysplasia
Hepatic fibrosis in a young animal
Chronic hepatitis, cirrhosis
, Hepatic arteriovenosus, malformation
Age of getting an acquired PSS - ✔✔between 1-7 yrs
Acquired PSS is _% of shunts dx in dogs - ✔✔17%
Not particularly common
Sx tx of multiple acquired PSS - ✔✔they're al over the place and therefore too many to sx tx
Tx of acquired extrahepatic PSS - ✔✔aimed at controlling hepatic encephalopathy and slowly
progression of liver disease
>not typically tx sx
Prognosis of acquired extrahepatic PSS - ✔✔1ry liver dz = poor
But post-attenuation is often asymptomatic
Hx associated with congenital PSS - ✔✔varied
Failure to thrive, "runt"
Neurologic signs
Urinary complaints
Unanticipated prolonged response to anesthetic RX
What is usually the first clue a pt has a congenital PSS - ✔✔when you do a spay/neuter and
there's a prolonged recovery from anesthesia
Why do congenital PSS puppies have urinary issues? - ✔✔at an increased risk to ammonium
biurate crystals >> leads to a 2ry bact infection due to urinary calculi
