Exam 2: Group B Strep (GBS) Flashcards
What is Group B Strep?
Naturally occurring bacterium
Found in 50% of healthy adults
Pregnant parents who test + are carriers
25% of pregnant PTs carry GBS in vagina or rectum
Risk of neonatal infection
Adverse outcomes related to GBS
Tissue damage
Inflammation
Lung and brain injury
Pneumonia
Meningitis
Sepsis
Fetal death
Mode of GBS transmission
Vertical transmission from birth parent to baby in vaginal tract
Ascending infection following rupture of membranes
When does the CDC recommend screening all pregnant patients for GBS?
Between 35-37 weeks gestation
What do pregnant patients with a positive GBS culture receive?
Antibiotics in labor
Do pregnant patients who are GBS positive and are scheduled for a C-Section require antibiotic prophylaxis?
If the membranes are intact, no
What are the risk factors for GBS infection?
Previous child with a GBS infection
GBS bacteriuria
Intrapartum fever of 100.4 or greater
Preterm birth
Pre-labor rupture of membranes (longer than 18 hours)
What steps are taken for preterm births?
Test for GBS upon admission and start antibiotics immediately
What is the best treatment for GBS?
Penicilin G (5 million unit loading dose, 2.5-3 million units every 4 hours until delivery)
When should PCN be administered?
4 hours prior to delivery to ensure adequate blood levels
What drug can be used as an alternative to PCN?
Cefazolin if no anaphylaxis, Vancomycin or clindamycin
Nursing interventions for GBS
Complete a comprehensive assessment noting GBS status
If positive, notify provider for orders for antibiotics
Administer antibiotics promptly
Monitor VS and report temp. greater than 100.4
Communicate information regarding GBS status to other members of the HC team when appropriate
