Intrahepatic Cholestasis of Pregnancy
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| ICD-10 | O26.6 |
|---|---|
| ICD-9 | 646.73 |
| DiseasesDB | 6884 |
Intrahepatic Cholestasis of Pregnancy (ICP), also termed Obstetric Cholestasis in the United Kingdom, gives rise to troublesome itching during pregnancy but may lead to possibly serious complications for the mother and very serious outcomes for the fetus.
Itching has long been considered to be a common symptom of pregnancy. The vast majority of times, itching, or pruritus is a minor annoyance caused by changes to the skin, especially that of the abdomen. However, there are instances when itching is a symptom of ICP.
ICP occurs most commonly in the third trimester, but can begin at any time during the pregnancy.
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[edit] Risks if untreated
Maternal consequences include:
- Itching, which can become intense and debilitating
- Premature labor
- Deranged clotting, which requires Vitamin K
Fetal consequences include:
- Stillbirth
- Meconium ingestion
- Meconium Aspiration Syndrome
Delivery before the beginning of the 38th week is considered to be crucial for the best fetal outcome.[citation needed]
[edit] Signs and symptoms
Hallmarks of ICP include the following symptoms:
- Itching of the palms of the hands and soles of the feet without presence of a rash
- Itching that increases in the evening
- Darker urine
- Lighter stools
- Increased clotting time
- Fatigue
- Increased nausea
- Decrease in appetite
- Jaundice
- Premature labor
It is important to note that not all ICP sufferers have all of the above symptoms. For example, Jaundice only occurs in relatively small subset of cases.
[edit] Diagnosis
Whilst most pregnant women experience some itch from time to time, itching on the palms and soles without a visible rash, or persisting severe or extenive itch symptoms should be reported to the midwife or obstetrican.
To obtain a diagnosis of ICP, a blood test is arranged to check the Liver Function Tests (LFTs). This is a simple blood test, the results of which should be available by the next day. If the ALT level is elevated, this, plus pruritus of palms and soles, should be treated as diagnostic of ICP.
[edit] Treatment
Upon diagnosis, most providers will prescribe Ursodeoxycholic Acid. However, some will prescribe Cholestyramine. While there is no cure for ICP, and no way to guarantee a successful outcome, studies have shown a slightly better fetal and maternal outcome from administration of Ursodeoxycholic Acid, whereas Cholestyramine appears to only relieve itching.[citation needed]
If additional blood tests to check clotting function identify a problem, giving Vitamin K may help avoid the risk of hemorrhage at delivery, and the necessity of early delivery.
Delivery before the beginning of the 38th week is considered crucial to fetal outcome.[citation needed]
[edit] See also
- Pruritic Urticarial Papules and Plaques of Pregnancy (PUPPP) an itchy condition of pregnancy that is associated with a rash.
