listeria Flashcards
who is most at risk of listeria
reduced cell-mediated immunity ie pregnant women
risk of listeria infection in pregnant women
1/8000
sources of listeria infection?
contaminated food
unpasteurised milk, ripened soft cheese, pate
food in the freezer defrosted and served without cooking can have the bacteria
transmitted trans-placentally or from cervix
symptoms of listeria in pregnant women
non specific flu like illness, fever, malaise or asymptomatic
risks of miscarriage/IUD
20%
risk of neonatal mortality
40%
risk of PTD
50%
how is listeria diagnosed
blood culture, vaginal swab, isolation on placenta
signs of listeriosis
meconium staining in preterm fetus
treatment for listeriosis?
IV ampicillin 2g every 6 hours
if listeria contracted in first half of pregnancy, what is the likely outcome for the fetus
miscarriage
if listeria contracted in the second half of pregnancy, what is the likely outcome for the fetus
PTD, sepsis baby
