ICP Flashcards
(13 cards)
What is ICP?
rashless itch and abnormal LFTs
When does ICP develop?
Late 2nd or 3rd trimester
Factors in which ICP is more common?
-winter
-older maternal age
-history (and family) of ICP
Physiology of ICP:
Liver can’t export bile acids into gall bladder so it leaks into bloodstream
How to screen for ICP:
-rise in baseline LFT and serum bile acids
- family and personal history
- ask about itching and if rash present
Gestational pruritus
Pregnancy itching
Normal bile acids
Diagnosis of ICP
Mild ICP: 19-49 bile acids mol/L
Moderate ICP: 50-99 mol/L
Severe ICP: >100 bile acids mol/L
Risks with ICP
-preterm birth (1:10 including iatrogenic)
-meconium stained liquor
-NNU admission
-pre eclampsia and GDM
Stillbirth and ICP
Risk is only higher than general population when severe ICP
Antenatal care for women with ICP
-consultant led
-weekly LFT if necessary
-vigilance in FM
ICP treatment
-topical emollients
-antihistamine
Time of birth with ICP
mild: await spontaneous labour
Moderate: consider IOL at 39/40
Severe: 36 weeks
Postnatal care for women with ICP:
Retake LFTs and bile acids at 4 weeks postpartum and counsel about recurrence (45-90%)