ICP Flashcards

(34 cards)

1
Q

percentage of pregnant women devlop itching

A

25%

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2
Q

ICP affect what percent of pregnancies

A

0.7%

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3
Q

Do we use isolated raised transaminases alone to diagnose ICP

A

NO

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4
Q

onset of symptoms of icp is most common in which trimester

A

3rd trimester

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5
Q

Bile acid <19 umol/l indicates

A

gestational pruritis

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6
Q

Mild, moderate and severe ICP bile acidd ranges

A

mild: 19-39
moderate: 40-99
severe: >100

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7
Q

Still birth rate with severe ICP

A

3.4%

compared to 0.3% background

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8
Q

follow up in mild, moderate and severe ICP

A

mild: weekly testing as the approach 38w
moderate: weekly testing as the approach 35w
severe: testing not routinely needed

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9
Q

When to deliver mild,moderate severe ICP

A

mild: by 40w
moderate: 38-39w
severe: 35-36w

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10
Q

when to do coagulation testing in icp

A

failure of liver synthetic function
or
failure of fat absorption (steatorrhea)

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11
Q

when to seek specialist hepatology advice in icp

A
  • severe ICP
  • very early
  • atypical
  • who don’t have resolution of itch and bichemical abnormalities after birth
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12
Q

ICP symptoms

A

itching without rash
inc. serum bile acid

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13
Q

when to test LFT and bile acids after birth

A

at least 4 w after birth

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14
Q

character of itching in ICP

A

affect palm and soles
pronounced at night (interfere w/ sleep)
+ dark urine and pale stool
+- steatorrhea and malabsorption of vit K

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15
Q

how should women w/ icp be monitored

A

consultant led maternity unit

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16
Q

when to measure LFTS and bile acid after the diagnosis measurement

A

after 1 week and assess

17
Q

fetal monitoring in icp

A

u/s and/or ctg isn’t routine
- mother to monitor fetal movements

icp not associated w/ FGR or placental insufficincy,so no need of us/ctg

18
Q

what drugs used in ttt of ICP

A

only symptomatic ttt: antihistamines
(topical emollient: aqueous cream)

no role for any ttt in improving preg. outcome (rifampicin)

19
Q

do we give ursodeoxycholic acid in icp

A

no
(may be benefitial in women w/ bile acid >40 at 34-36w in reducing PTL

20
Q

main side effect of UDCA

21
Q

when to give vit k in icp

A

in case of fat malabsorption (steatorrhea) -> coag. profile (abnormal Prothrombin time)

consider water soluble vit k: menadiol sodium phosphate 10 mg daily)

21
Q

if UDCA is given in ICP what is the dose

A

15 mg/kg daily
as a single dose or in two divided doses

22
Q

mode of bith in ICP

A

vaginal, IOL or CS

23
indications of CEFM
1. severe ICP 2. GDM, PET, multiple preg. 3. meconium stained liquor( common in moderate & severe ICP)
24
if itching or biochemical abnormalities presist beyond 6 w postpartum
consider other diagnoses refer to hepatologist
25
what contraception should be used ith caution in ICP
* CHC UKMEC 2: unless itching and lfts resolve before starting * if recurrence of sym after using CHC: UKMEC 3 * HRT safe
26
recurrence rate of ICP in future preg.
45-90% | baseline LFT and bile acid to be performed at booking & repeat if needed
27
Acute fatty liver of pregnancy typically occurs in what trimester | life threatening complication of preg
third up to 20% present postnatally
28
the most important serum marker for AFLP
hypoglycemia glucose <4mmol/l
29
management of AFLP
- MD: HDU - aggresively treat coagulopathy and hypoglycemia (FFP & vit K, 50% dextrose respectively) - screen baby for LCHAD def. - laaison with hepatology: plasma exchange or liver transplant ( no improvement in LFT or encephalopathy)
30
recurrence risk of AFLP in. future preg.
25% | more likely if heterozygous for LCHAD def.
31
VIT K is responsible for manufacturing which caog. factor?
10 9 7 2
32
which is the main enzyme raised in ICP
ALT serum bile acid is the most imp. marker for diagnosis & monitoring