Alcoholic hepatitis Flashcards
Define alcoholic hepatitis
Inflammatory liver injury caused by heavy intake of alcohol
Aetiology of alcoholic hepatitis
progression, history, trigger
1 of the 3 forms of liver disease caused by excessive alcohol intake:
Alcoholic fatty liver (steatosis) ->
Alcoholic hepatitis —>
Chronic cirrhosis
Long history (15-20 yrs) of heavy drinking required
May be events that trigger the disease (e.g. aspiration pneumonia, injury)
Histopathological features of alcoholic hepatitis
7
Centrilobular balooning Degeneration & necrosis of hepatocytes Steatosis Neutrophilic inflammation Cholestasis Mallory-hyaline inclusions Giant mitochondria
Epidemiology of alcoholic hepatitis
Occurs in 10-35% heavy drinkers
Presenting symptoms of alcoholic hepatitis
general, 5 mild, 4 severe
May remain asymptomatic & undetected
Mild illness Nausea Malaise Epigastric pain Right hypochondriac pain Low grade fever
More severe Jaundice Abdominal discomfort or swelling Swollen ankles GI bleeding
Signs of alcohol excess on physical examination
10
Malnourished Palmar erythema Dupuytren’s contracture Facial telangiectasia Parotid enlargement Spider naevi Gynaecomastia Testicular atrophy Hepatomegaly Easy bruising
Signs of alcoholic hepatitis on physical examination
8
Febrile (50% patients) Tachycardia Jaundice Bruising Encephalopathy Ascites Hepatomegaly Splenomegaly
Investigations for alcoholic hepatitis
5
Bloods US Upper GI endoscopy Liver biopsy EEG
Investigations for alcoholic hepatitis - bloods
4
FBC
low Hb, high MCV, high WCC, low platelets
LFTs
high AST & ALT, high bilirubin, high ALP & GGT, low albumin
U&Es
urea & K+ tend to be low
Clotting
prolonged PT is sensitive marker for significant liver damage
Investigations for alcoholic hepatitis - US
Check for other causes of liver impairment (e.g. malignancy)
Investigations for alcoholic hepatitis - upper GI endoscopy
Investigate varices
Investigations for alcoholic hepatitis - liver biopsy
Can help distinguish from other causes of hepatitis
Investigations for alcoholic hepatitis - EEG
Slow wave activity indicated encephalopathy
Management of alcoholic hepatitis
3
Acute
Nutrition
Steroid therapy
Management of alcoholic hepatitis - acute
8
Thiamine
Vitamin C & other multivitamins (Pabrinex)
Monitor & correct K+, Mg2+ & glucose
Ensure adequate urine output
Treat encephalopathy w/ oral lactulose or phosphate enemas
Ascites managed w/ diuretics (spironolactone w/w/o furosemide)
Therapeutic paracentesis
Glypressin & N-acetylcysteine for hepatorenal syndrome