Pediatric Hepatitis Flashcards

1
Q

Types of hepatitis viruses

A
  1. hepatitis A
  2. hepatitis B
  3. hepatitis C
  4. hepatitis D
  5. hepatitis E
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2
Q

symptoms of hepatitis in children

A
  1. poor appetite
  2. diarrhea
  3. constipation
  4. belly pain
  5. tiredness
  6. hepatomegaly
  7. jaundice
  8. high liver enzymes
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3
Q

Causes of hepatitis in child

A
  1. may never find cause
  2. Epstein-Barr virus
  3. cytomegalovirus
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4
Q

Hepatitis A in children

A

Picornavirus;
highly contagious;
vaccination occurs as an infant

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5
Q

hepatitis A in children: transmission

A

spread through person-to-person contact and fecal-oral so can spread through households or daycare centers

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6
Q

hepatitis A in children: remember what about asymptomatic children

A

can still spread virus when asymptomatic

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7
Q

how are symptoms different in children and older child/adult

A

older children and adults have more severe symptoms

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8
Q

where in the US is hepatitis A most common

A

western and southern US

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9
Q

How long is hepatitis A infection contagious

A

for 1-3 weeks:

  1. one to 2 weeks before onset of illness;
  2. one week after onset of jaundice
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10
Q

What is the incubation period for hepatitis A infection in child

A

15-50 days

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11
Q

What are the 2 phases of hepatitis A

A
  1. preicteric phase

2. jaundice phase

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12
Q

Preicteric phase of hepatitis A: symptoms

A
  1. Fever;
  2. nausea;
  3. vomiting
  4. digestive complaints
  5. abdominal complaints
    * phase may be missed in children
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13
Q

Jaundice phase of hepatitis A

A
  1. occurs after preicteric phase;
  2. urine darkens and stools become clay-colored;
  3. diarrhea in infants;
  4. constipation in older child
  5. poor weight gain;
    * can last 1-6 months with relapse
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14
Q

Management of hepatitis A in child

A
  1. supportive;
  2. rarely causes liver failure
  3. most recover fully
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15
Q

Hepatitis A vaccine after exposure in peds

A
  1. if > 12 months: vaccinate within 2 weeks of exposure

2. if < 12 months or over 40 years, immunocompromised, or chronic liver disease: administer gamma globulin

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16
Q

Primary prevention of hepatitis A

A

Vaccination:

  1. children born after 2006 have been vaccinated
  2. born before 2006 vaccinate only by risk
17
Q

Two cohorts of children with hepatitis B

A
  1. children born with it

2. children who acquire it later in life {rare}

18
Q

If mother is HBsAg positive, the risk of transmission is what percent

A

70-90%

19
Q

Pregnancy and hepatitis B

A
  1. screen all pregnant women
  2. breastfeeding not contraindicated
  3. important to provide immunoglobulin and vaccination to baby immediately after birth
20
Q

When should a baby’s antigen and antibody levels be checked

A

2-3 months after vaccination

21
Q

hepatitis B in premature infants

A
  1. limited immune response
  2. if birthweight is < 2000 g and mother is HBsAg positive or unknown, give both Hepatitis B and Hepatitis B immunoglobulin {HBIG} at birth
  3. vaccinate again at 1 month
22
Q

screening for hepatitis B

A
  1. consider screening anyone at any age whose mother might not have been tested during pregnancy;
  2. most commonly those born outside US
23
Q

Hepatitis B treatment for newborns whose mother are hep B surface antigen or unknown

A
  1. within 12 hours of birth administer HepB vaccine regardless of birth weight;
  2. If infant is < 2000g then administer HBIGin addition
  3. administer second dose right at 1 month
  4. administer third dose at 6 months
    * *timing is critical
24
Q

when should newborn be tested for hepatitis B surface antigen and antibody

A

2 months after 3rd dose is administered

25
Q

What should lab work look like if treatment for hepatitis B was successful

A

antibody positive and antigen negative

26
Q

Primary prevention of hepatitis B

A
  1. vaccinate all neonates
  2. test all pregnant women and those at high risk
  3. administer catch-up vaccine for teens before college
  4. test others who are risk
  5. test those whose mother may not have been screened
27
Q

two cohorts of hepatitis C

A

those born with it

those who acquire it

28
Q

what population have higher risk of hepatitis C

A
  1. IV or intranasal drug use;
  2. imprisonment
  3. occupation
  4. sexual exposure
  5. transfusions
29
Q

Which group have an increased risk of Hepatitis C without no known risk factors

A

baby boomers

30
Q

what children are at risk for hepatitis C

A
  1. child with hemophilia
  2. children with HIV positive mom {largest cohort};
  3. children with mothers with hep C
31
Q

What should be done if you identify a Hepatitis C positive child or teen

A
  1. repeat antibody testing - can be false positives
  2. screen for risk factors
  3. draw viral load {RNA}
  4. check liver function tests
  5. refer to hepatitis center
32
Q

child with chronic hepatitis C is treated how

A

same as adult

33
Q

Babies who are exposed to hepatitis C will retain mother’s antibodies for how long

A

12-18 months

34
Q

When is a child pronounced as cleared of hepatitis C

A

if they test negative after age 18 months

35
Q

When should you test for hepatitis C RNA {NAAT test}

A

at age 1-2 months

36
Q

Management of hepatitis C in child

A
  1. vaccinate against other hepatitis viruses
  2. track growth- interferon and ribavirin can decrease growth markedly
  3. avoid other hepatotoxic meds
  4. teach alcohol avoidance
  5. provide long-term surveillance for liver cancer/failure