201_GBS screening and prophylaxis_prepping for birth Flashcards
How do you store GBS swab?
4 degrees Celsius
Processed within 24 hours of collection.
When use Edinburgh perinatal/postpartum depression scale?
In between 28-32 weeks prenatally
6-8 weeks pp
(anytime is valid)
Do we use EPDS universally?
Yes
What are the 4 principles of TIC approach?
Having trauma awareness
Establishing safety and trustworthiness
Ensuring choice, collaboration, connection
Building on strengths
What is GBS?
Group B streptococcus – bacteria found in gut, vagina, anus
Not an STI, not a sign of cleanliness
Transient bacteria
What is the incidence of GBS in pregnancy ?
1.5-4/10 – very common
What is the incidence of GBS infection for baby?
2.3/10 000 (rare)0.2 %
What is the incidence of a baby dying from EOGGBDS?
1.15/100 000 (very rare) 0.001 percent
Community standard managing positive GBS swab?
IV admin of prophalytic antibiotics every 4 hours till birth of bb starting when membranes rupture or during active labour (whatever comes first)
Who does SOGC recommend Abx to for GBS? (3)
- any woman positive for group B streptococcus by vaginal/rectal swab culture screening done at 35 to 37 weeks’ gestation (II-2B);
- any woman with an infant previously infected with group B streptococcus (II-3B);
- any client with documented group B streptococcus bacteriuria (regardless of level of colony-forming units) in the current pregnancy. (II-2A)
Chances of EOGBDS following community standard?
3/1000
Chances of death from EOGBSD following community standard?
3/10,000
Chances of EOGBDS following risk factor approach?
5/1000
Chances of death following risk factor approach?
5/10,000
Chances of EOGBDS taking no abx?
10/1000
Chance of death taking no abx?
10/10,000
Risk factor approach to GBS positive? (4)
Taking abx:
ROM more than 18 hours
Preterm labour
Previous child with GBS disease
Fever above 38 degrees
Signs of newborn with EOGBSD? (5)
Fever
Lethargic
Poor feeding
Central cyanosis
Stop breathing
What’s maternal colonization rate of GBS (comp. mid)?
10-35 %
Colonization rate of GBS among newborns who are colonized and not treated (comp mid)?
50 %
Rate of early onset GBS disease among colonized newborns (comp mid)?
1-2 %
Average risk of any baby in the population having early onset disease (comp mid)?
0.2 %
How much does screening and abx reduce the rates of EOGBSD? (comp mid)?
65-85%
How much does risk factor mgmt. of GBS reduce the rates of EOGBDS ((comp mid)?
51-75%
When does EOGBSD happen?
1-7 days
When does late onset GBS disease happen?
7-31 days
