Primary biliary cholangitis Flashcards
[…] condition causing […] and […] of the […] […], eventually leading to liver […].
autoimmune condition causing scarring and inflammation of the bile ducts, eventually leading to liver cirrhosis.
Epidemiology
middle-aged females (female:male ratio of 9:1
Features
Extreme […]
[…]
Dry skin
Dry eyes
[…]
Patients are at higher risk of developing […] […], and prognosis is poor.
Features
Extreme fatigue
Itching
Dry skin
Dry eyes
Jaundice
Patients are at higher risk of developing hepatocellular carcinoma, and prognosis is poor.
PBC Key investigation
Positive […]-[…] antibodies, […] subtype
raised serum […]
Positive Anti-mitochondrial antibodies, M2 subtype
raised serum IgM
Associations
[…] syndrome (seen in up to 80% of patients)
[…] arthritis
[…] […]
[…] disease
Associations
Sjogren’s syndrome (seen in up to 80% of patients)
rheumatoid arthritis
systemic sclerosis
thyroid disease
Mx
1st line –> […] […]
pruritus: […]
[…]-[…] vitamin supplementation
Liver […]
ursodeoxycholic acid
pruritus: cholestyramine
fat-soluble vitamin supplementation
Liver transplant
liver transplantation
e.g. if bilirubin > […] (PBC is a major indication)
recurrence in graft can occur but is not usually a problem
liver transplantation
e.g. if bilirubin > 100 (PBC is a major indication)
recurrence in graft can occur but is not usually a problem
PBC complciations
[…] → portal […] → […], variceal […]
[…] and osteoporosis
significantly increased risk of […] […] (20-fold increased risk)
cirrhosis → portal hypertension → ascites, variceal haemorrhage
osteomalacia and osteoporosis
significantly increased risk of hepatocellular carcinoma (20-fold increased risk)