9. Alcoholic Liver Disease Flashcards
What CYP enzyme is responsible for EtOH metabolism?
CYP2E1
What are the 2 alcohol metabolizing enzymes?
Alcohol Dehydrogenase (ADH) Aldehyde Dehydrogenase (ALDH)
The liver converts ________ and _________ into _________ and ________.
carbohydrates
proteins
fatty acids
triglycerides
The liver _________ triglycerides to produce energy.
oxidizes
The liver is responsible for synthesizing what lipids?
plasma lipoproteins
cholesterol
phospholipids
What plasma proteins does the liver synthesize?
albumin and clotting factors
A (high/low) INR means the patient is at risk for uncontrolled bleeding.
high
Ethanol is metabolized to acetaldehyde by what enzyme?
ADH
ADH converts ______ to _________.
ethanol to acetaldehyde
Acetaldehyde is metabolized to acetate by what enzyme?
ALDH
ALDH converts ________ to ________.
acetaldehyde to acetate
Pale palms are a sign of alcoholic liver disease. (T/F)
False, red palms are a sign of alcoholic liver disease.
In men, what amount of alcohol consumption can cause alcoholic liver disease?
10 years of > 60-80 g/day
In women, what amount of alcohol consumption can cause alcoholic liver disease?
10 years of >20 g/day
What are the 3 stages of alcoholic liver disease?
- Alcoholic fatty liver disease
- Alcoholic hepatitis
- Cirrhosis
Name 3 presentations of Alcoholic fatty liver.
- anorexia
- fatigue
- RUQ discomfort
- hepatomegaly
- AST and GGT elevation
Name 3 presentations of Alcoholic Hepatitis.
- severe malaise
- fever
- protein/calorie malnutrition
- jaundice
- coagulopathy
- ascites
- encephalopathy
- elevated AST and GGT
- decreased serum albumin
What is the most effective treatment for alcoholic hepatitis?
abstaining from alcohol
Under what criteria would you recommend Prednisolone for alcoholic hepatitis?
Maddrey’s Discriminant Function > 32
Model for end-stage liver disease > 21
What 3 medications can be used to treat alcoholic hepatitis?
- Prednisolone
- Pentoxifylline
- N-AcetylCysteine
In what cases would N-AcetylCysteine be recommended?
short term mortality benefit
Which is a clinical manifestation of chronic alcoholism?
a. pale palms of hands
b. enlarged testicles
c. gynecomastia
d. shrunken sinus cavities
c. gynecomastia
Which of the following is NOT a stage of alcoholic liver disease?
a. alcoholic fatty liver
b. alcoholic poisoning
c. alcoholic hepatitis
d. cirrhosis
b. alcoholic poisoning
The primary treatment for alcoholic liver disease is?
a. abstaining for alcohol
b. prednisone
c. rifaxamin
d. acetaminophen
a. abstaining for alcohol
Which medication was show in an NEJM study to have a benefit in short term mortality?
a. ibuprofen
b. rifaxamin
c. N-acetylcysteine
d. ethanol
c. N-acetylcysteine
Which of the following is NOT a clinical manifestation of alcoholic hepatitis?
a. encephalopathy
b. coagulopathy
c. ascites
d. elevated serum albumin
d. elevated serum albumin