12 - Liver and gallbladder Flashcards
It is a plane fro the gallbladder fossa to the IVC that separates the livers right and left lobe grossly
cantlies line
How is the portal vein formed
- splenic vein 2. superior mesenteric vein
This measures the liver’s synthetic function
- PT 2. Clotting factors (except factor 8) 3. Serum albumin
This measures the integrity of hepatocellular membranes
- AST 2. ALT
What is the half life of alkaline phosphatase
7 days
It is the diagnostic and therapeutic procedure of choice for stones in the CBD associated with obstructive jaundice, cholangitis, and gallstone pancreatitis
ERCP
Parameters of Child Pugh Score
- Albumin 2. Bilirubin 3. clotting factors (INR) 4. encephalopathy 5. Ascites
Scoring of Child Pugh Score
5 - 6 - 10 % 7 - 9 30% 10 - 15 - 75 - 80%
What is the normal venous pressure
5 - 10 mmHg
What is the pressure in diagnosing portal hypertension
- > 5 mmHg than the IVC pressure 2. splenic pressure > 15 mmHg 3. portal venous pressure at surgery is > 20 mmHg
What is the portal pressure needed to form varices
>12 mmHg
Most common cause of portal hyptertension?
Liver cirrhosis
Most accurate method in determining portal hypertension
hepatic venography
treatment of portal hypertension
- CTP A - surgical shunt 2. CTP B and C - TIPS
It is a distal splenorenal shunt
Warren shunt