Alcoholic Liver Disease Flashcards

1
Q

What can increase the risk of alcohol having a harmful effect on the liver? (2)

A

Obesity
Viral hepatitis

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2
Q

What are the 3 steps of progression of alcohol-related liver disease?

A
  1. Alcoholic fatty liver
  2. Alcoholic hepatitis
  3. Cirrhosis
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3
Q

What is the main treatment of alcoholic fatty liver?

A

Abstinence
It is completely reversible

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4
Q

Until what stage of alcohol related liver disease are the effects reversible on abstinence?

A

Mild alcoholic hepatitis

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5
Q

What are the benefits of stopping drinking in alcohol related liver cirrhosis?

A

It prevents further damage to the liver

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6
Q

What is the recommended alcohol consumption per week?

A

No more than 14 units a week
Spread over 3 or more days
No more than 5 units in a day

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7
Q

What is the definition of binge drinking?

A

6 or more units for women
8 or more units for men

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8
Q

What are some complications of drinking during pregnancy? (4)

A

Miscarriage
Small for dates
Preterm delivery
Fetal alcohol syndrome

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9
Q

What are some complications of alcohol? (9)

A

• Alcohol-related liver disease
• Cirrhosis and its complications (e.g., hepatocellular carcinoma)
• Alcohol dependence and withdrawal
• Wernicke-Korsakoff syndrome (WKS)
• Pancreatitis
• Alcoholic cardiomyopathy
• Alcoholic myopathy, with proximal muscle wasting and weakness
• Increased risk of cardiovascular disease (e.g., stroke or myocardial infarction)
Increased risk of cancer, particularly breast, mouth and throat cancer

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10
Q

What are some signs suggestive of excessive alcohol consumption? (5)

A

• Smelling of alcohol
• Slurred speech
• Bloodshot eyes
• Dilated capillaries on the face (telangiectasia)
• Tremor

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11
Q

What happened to the MCV suggesting alcohol-related liver disease?

A

It is raised

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12
Q

What LFTs would you see in alcohol-related liver disease?

A

Raised transaminases (AST:ALT ratio over 1.5)
Raised GGT
Raised ALP later in disease
Raised bilirubin in cirrhosis

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13
Q

What happens to the investigations suggestive of synthetic function of the liver in alcohol-related liver disease? (2)

A

• Low albumin due to reduced synthetic function of the liver
Increased prothrombin time due to reduced synthetic function of the liver (reduced production of clotting factors)

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14
Q

What does an ultrasound show in early alcoholic liver disease?

A

Fatty changes shown as increased echogenicity

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15
Q

How is ultrasound used in patients with liver cirrhosis?

A

Used to screen for HCC

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16
Q

What is transient elastography used for?

A

assess the elasticity of the liver using high-frequency sound waves. It helps determine the degree of fibrosis (scarring).

17
Q

What medical management can be given in severe alcoholic hepatitis? What effects does it have?

A

Corticosteroids
Reduces inflammation short term
No long term outcomes

18
Q

What are the general management principles of alcohol-related liver disease? (7)

A

• Stop drinking alcohol permanently (drug and alcohol services are available for support)
• Psychological interventions (e.g., motivational interviewing or cognitive behavioural therapy)
• Consider a detoxication regime
• Nutritional support with vitamins (particularly thiamine – vitamin B1) and a high-protein diet
• Corticosteroids may be considered to reduce inflammation in severe alcoholic hepatitis to improve short-term outcomes (but not long-term outcomes)
• Treat complications of cirrhosis (e.g., portal hypertension, varices, ascites and hepatocellular carcinoma)
• Liver transplant in severe disease (generally 6 months of abstinence is required)

19
Q

What 2 questionnaires can be used to screen for harmful alcohol use?

A

CAGE
AUDIT

20
Q

What is the CAGE questionnaire? What are the questions in it?

A

The CAGE questions can be used to quickly screen for harmful alcohol use:
• C – CUT DOWN? Do you ever think you should cut down?
• A – ANNOYED? Do you get annoyed at others commenting on your drinking?
• G – GUILTY? Do you ever feel guilty about drinking?
E – EYE OPENER? Do you ever drink in the morning to help your hangover or nerves?

21
Q

What is the AUDIT questionnaire and how is it used?

A

The Alcohol Use Disorders Identification Test (AUDIT) was developed by the World Health Organisation to screen people for harmful alcohol use. It involves 10 questions with multiple-choice answers and gives a score. A score of 8 or more indicates harmful use.

22
Q

What are the symptoms of alcohol withdrawal and what time frame do you experience each symptom? (4)

A

• 6-12 hours: tremor, sweating, headache, craving and anxiety
• 12-24 hours: hallucinations
• 24-48 hours: seizures
24-72 hours: delirium tremens

23
Q

What type of substance is alcohol?

A

Depressant

24
Q

What does alcohol do to GABA and glutamate receptors?

A

It stimulates GABA receptors in the brain.
GABA receptors have a relaxing effect on the rest of the brain.

Alcohol also inhibits glutamate receptors (also known as NMDA receptors), causing a further relaxing effect on the electrical activity of the brain (glutamate is an “excitatory” neurotransmitter).

25
Q

What happens to GABA and glutamate receptors with chronic alcohol use?

A

GABA system is down regulated
Glutamate system is upregulated

26
Q

Chronic alcohol use affects the GABA and glutamate systems. What happens when alcohol is removed from the system?

A

the GABA system under-functions and the glutamate system over-functions, causing extreme excitability of the brain and excessive adrenergic (adrenalin-related) activity.

27
Q

What is the presentation of delirium tremens? (9)

A

• Acute confusion
• Severe agitation
• Delusions and hallucinations
• Tremor
• Tachycardia
• Hypertension
• Hyperthermia
• Ataxia (difficulties with coordinated movements)
• Arrhythmias

28
Q

What score is used to score patients on withdrawal symptoms and guide treatment?

A

CIWA-Ar score

29
Q

What is the CIWA-Ar score for?

A

The CIWA-Ar (Clinical Institute Withdrawal Assessment for Alcohol, revised) tool can be used to score the patient on their withdrawal symptoms and guide treatment.

30
Q

What is the medical management of alcohol withdrawals and how long is it given?

A

Chlordiazepoxide (Librium) is a benzodiazepine used to combat the effects of alcohol withdrawal.
Diazepam is a less commonly used alternative.

It is given orally as a reducing regime titrated to the required dose based on the local alcohol withdrawal protocol (e.g., 10 – 40 mg every 1 – 4 hours). The dose is reduced over 5-7 days.

31
Q

What medical management is used in alcohol withdrawal to prevent Wernicke-Korsakoff syndrome?

A

High-dose B vitamins (Pabrinex) is given intramuscularly or intravenously, followed by long-term oral thiamine.

32
Q

What is the cause of wernicke-korsakoff syndrome?

A

excess leads to thiamine (vitamin B1) deficiency. Thiamine is poorly absorbed in the presence of alcohol. Alcoholics often have poor diets and get many of their calories from alcohol

33
Q

What are the features of wernickes encephalopathy? (3)

A

• Confusion
• Oculomotor disturbances (disturbances of eye movements)
• Ataxia (difficulties with coordinated movements)

34
Q

What are the features of Korsakoff’s syndrome? (2)

A

○ Memory impairment (retrograde and anterograde)
○ Behavioural changes