Exocrine Pancreas (Marin) Flashcards
the etiology of acute pancreatitis in dogs is most often
idiopathic
list some risk factors for acute pancreatitis in dogas
breed, females, high TG, obesity, trauma or surgery, neoplasia, toxins or drugs, middle or older aged dogs
what is thought to be the cause of acute pancreatitis in cats and what are some risk factors for disease?
we dont know what causes it
no association with breed, gender, diet, obesity, or drugs
being middle aged to older, bacterial infection more common but can be secondary, IBD, cholangitis, hepatic lipidosis secondary
briefly explain the pathophys of acute pancreatitis
pancreatic enzymes like trypsinogen inside the acinar cells become activated INSIDE the pancreas. Net result is intracellular digestive enzyme activation
the clinical signs of acute pancreatitis in dogs are highly variable and depend on the ___
degree of inflammation and whether it is local, systemic, or both
list some common C/S of acute pancreatitis in dogs and cats
dogs: lethargy, anorexia, vomiting, nausea, painful abdomen, diarrhea, fever, tachycardia, icterus
cats: lethargy, anorexia, weight loss, vomiting, icterus
A dog named Duchess Snugglepaws McFlooferton comes to see you because they are vomiting, very lethargic, and not interested in eating for the past few days. Besides pancreatitis, what other ddx are you going to have on your list?
Gi foreign body, gastric or duodenal ulcers, gall bladder disease, toxin ingestion, infectious gastroenteritis, neoplasia, metabolic disease
you do a CBC/chem on Duchess Snugglepaws McFlooferton who you think could have pancreatitis. What results do you expect?
neutrophilia +/- left shift, hemoconcentration, thrombocytopenia (can cause DIC so make sure you investigate this!!)
increased liver enzymes, hyper or hypo albuminemia, azotemia, hypocholesterolemia, hypocalcemia
true or false: serum lipase and amylase can be used to reliably diagnose pancreatitis in dogs.
false! they are not sensitive enough! lipase is normal in 60% of cases and amylase is normal in 50% of cases! they are also not specific enough! both can increase with hepatic or GI disease OR increased due to decreased renal clearance
what does the pancreatitis snap test actually test for
pancreatic lipase, using specific antibodies
can also do a spec test
the SNAP cPL test is the MOST useful for…
ruling OUT pancreatitis. if its negative, they are unlikely to have it
the Spec cPL test is the MOST useful for…
ruling IN pancreatitis, false positives are rare, but the test does work better in more severe cases
for the spec cPL test, the diagnostic cut off for pancreatitis is ____, and for thespec fPL test, the number consistent with pancreatitis is ____
400 mcg/L
more than 5.4 ug/L
you decide to do abdominal radiographs on Duchess Snugglepaws McFlooferton, who you suspect has pancreatitis. what are some things you suspect to see? if you see nothing on radiographs, then what?
decreased abdominal contrast/abdominal effusion, “signal loop” of duodenum.
if we see nothing this is still helpful because we can rule out other diseases!
you decide to do an abdominal ultrasound on Duchess Snugglepaws McFlooferton, who you think has pancreatitis. what do you expect to see?
hypoechoic pancreas
BUT this is HIGHLY dependent on operator skill and experience, can miss it!