Fetal Exposure to Hepatitis Flashcards
hep B immunization for newborns
-given prior to discharge, at 2 months and at 6 months
-if premature, given at 2kg or 2 months
if mother is hep B positive, what to do for newborn?
-careful bathing with gloves to remove all maternal blood and body fluids
-infant should received IM injection of hep B immunoglobulin within 12 hours of birth, 95% effective at preventing disease
how does maternal hep C infection effect infant?
rarely transmitted and those that are infection 75% are clear of infection by age 2
how does hepatitis E effect mother and baby?
greater risk to mother with a mortality rate of 20% during pregnancy, increased risk of fetal complications and death
risk for untreated HIV mothers to pass it onto neonate?
30% and it usually happens during delivery
risks of neonates born to untreated HIV positive mothers?
neonates are usually asymptomatic but are at risk for prematurity, low birth weight, and SGA
risk for infants born to untreated HIV positive mothers?
FTT, hepatomegaly, interstitial lymphocytic pneumonia, recurring infections and CNS abnormalities
what 4 things can reduce the risk of mother transmitting HIV to newborn?
-antiviral therapy during pregnancy
-elective C section
-antiviral medication given to neonate for the first 6 weeks of life
-avoid breastfeeding
what is parvovirus B19 and what does is cause?
- very common DNA virus
- fever, malaise, depression of pregenitor cells in bone marrow with a drop in reticulocyte (developing RBCs) that can lead to anemia in those with preexisting low blood count
-generalized rash
-arthralgia (joint pain)/arthritis
how does parvovirus B19 affect the fetus?
-1-2% of infections, cause spontaneous abortion nonimmune hydroid fetalis
what is hydrops fetalis?
characterized by marked anemia, cardiac failure and extramedullary hematopoiesis (formation and activation of blood cells outside of the bone marrow)
what is parvovirus congenital infection syndrome?
rash, anemia, and enlarged heart and liver
when do you screen a woman for GBS?
37 weeks
if the neonate gets GBS what is the treatment?
IV ampicillin and gentamicin for 10-14 days
what are the signs of early onset of GBS in a neonate?
onset in the first 24 hours; pneumonia and or meningitis, respiratory distress, floppiness, poor feeding, tachycardia, shock, and seizures
what are the outcomes of late onset GBS in a neonate?
can occur 7-10 days of age; more serious; usually meningitis; intelligential disability, quadriplegic, blindness, deafness, uncontrollable seizures, and hydrocephalus (build of fluid in brain)
when is the worst time for a mother’s exposure to rubella?
first 4-5 months of pregnancy, consequences for the infant are far greater
What are the symptoms of congenital rubella syndrome?
-intrauterine growth restriction
-Deafness
-Cataracts
-Jaundice
-purpura (rash, purple spots)
-hepatosplenomegaly
-microcephaly (small head)
-chronic encephalitis (inflamed brain)
-cardiac defects
what are the death rates with neonates born with cytomegalovirus?
20-30% with neonates born with symptoms - 90% of survives have neurological disorders
what is the most common sexually transmitted disease in the United States??
Chlamydia
how do you treat a newborn whose mother was positive for chlamydia?
Eye antibiotics either erythromycin or tetracycline -these prevent the infant from developing pneumonia or ear infection
What are symptoms of infants born with syphilis exposure?
non-viral hepatitis with jaundice, hepatosplenomegaly, pseudoparalysis, pneumonitsis, bone marrow failure, myocarditis, meningitis, anemia, Adema associated with nephrotic syndrome, and rash to the palms of hands and soles of the feet 
name the facial abnormalities I can be caused by fetal alcohol syndrome
Hypoplastic (under developed) maxilla, mircognathia (undersize jaw), Hydroplastic phil trim (grooves beneath the nose), short palpebral fissures ( eyes slits between upper and lower lids)