Lecture 7.2 - At Risk Birth (Part 2) Flashcards

(33 cards)

1
Q

What is the best prevention for c/s birth?

A

Early, continuous support of laboring person
–> Provided by someone who is not hospital staff or part of birthing persons social circle

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2
Q

What are some maternal risks of c/s?

A

Hemorrhage, Endometritis

Amniotic fluid or air embolism

Aspiration pneumonia related to anesthesia, atelectasis, UTI, injury to bowel/bladder.

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3
Q

What are the newborn risks associated with c/s?

A

Iatrogenic prematurity

Injuries

Asphyxia, respiratory complications, more likely to need resuscitation efforts

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4
Q

What is the difference between an elective and a scheduled c/s?

A

Elective - personal choice of birthing person

Scheduled - Medically indicated

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5
Q

Are all unplanned c/s emergencies?

A

No. Some have some flexibility of a few hours.
–> If dyad are stable and labour is not progressing as expected c/s might be indicated

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6
Q

What kind of incision is most commonly used with c/s?

A

Low transverse

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7
Q

What kind of c/s incision is associated with a higher rate of uterine rupture and is therefore not indicated for trial of labour?

A

Classical - high vertical

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8
Q

What anesthesia is used for c/s?

A

Spinal - if planned
–> If epidural has already been inserted and is still in situ, it will be topped up and used if it provides effective freezing

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9
Q

What is the preop checklist before c/s?

A

Teaching
–> For planned: anticipatory guidance, NPO 8 hours preop

Labs
–> CBC, T&C, urinalysis

Monitor
–> Maternal VS
–> FHR

Prep
–> Assist with epidural/spinal
–> Foley
–> Prepare partner for OR

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10
Q

What is the immediate post-op care following c/s?

A

Monitor:
–> VS q15 min for 1-2 hours

Regular post-op:
–> Airway, coughing & deep breathing,
–> IV fluids
–> Assess dressing
–> Pain medication

Specific for C/S
–> Assess fundus and lochia
–> Oxytocin as ordered

Bonding
–> Time together, Skin-to-skin, breastfeed within 60 minutes and early hand expression.

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11
Q

How often are vitals done following c/s immediately post-op?

A

VS q15 for 1-2 hours

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12
Q

How does postpartum care differ for c/s patients?

A

Enhanced needs for pain relief

TED/SCD –> Prevent DVT

Early ambulation (6-8 hours)

Must void following foley removal

Assess incision and dressing

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13
Q

What are some signs of post-op complication following c/s?

A

Temperature > 38°C

UTI: Pain or urgency with urination, cloudy urine

INCISION: REEDA, severe increasing pain

LOCHIA: Heavier than period, large clots, odour

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14
Q

Is TOLAC indicated with a previous transverse uterine scar?

A

Yes, if there are no contraindications

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15
Q

What kind of facility should TOLAC take place in? What kind of monitoring should be used?

A

In a facility with the capacity to to an emergent CS within 30 minutes
–> With continuous EFM

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16
Q

What is the most serious complication of TOLAC?

A

Uterine rupture

17
Q

How quickly can oxytocin be cleared from the system following stopping an infusion?

A

6-7 minutes

This makes it preferable to offering PGEs that have irreversible effects.

18
Q

Meconium Stained Amniotic Fluid causes which complications?

A

Blocking airway, irritate lung tissue, aspiration pneumonia

19
Q

What causes meconium stained fluid?

A

Fetal distress - such as hypoxia or infection causes blood shunting from GI tract and relaxation of sphincter muscles

GA - Post-date babies

20
Q

How is meconium stained fluid managed?

A

Stimulate baby and assess respiratory effort, heart rate, tone
–> If all good then only suction mouth
–> If one is depressed then suction trachea

21
Q

What causes shoulder dystocia?

A

When the anterior shoulder cannot pass under the pubic arch

22
Q

How is shoulder dystocia managed?

A

McRoberts Maneuver + Suprapubic pressure
–> Bring knees towards head to open outlet and facilitate delivery

23
Q

What is a sign of shoulder dystocia?

A

“turtling sign”

i do not like this turn of phrase

24
Q

When do most uterine ruptures occur?

25
What are some signs of uterine rupture?
Abnormal FHR, cessation of contraction, vaginal bleeding, constant abdominal pain, hypovolemic shock
26
How is uterine rupture managed immediately after occurring?
O2, fluids, blood products Prepare for surgery Family support
27
How is uterine rupture treated?
Depends on severity --> Laparotomy to hysterectomy
28
What is the maternal mortality rate following an amniotic fluid embolism?
Greater than 60%
29
What occurs with amniotic fluid embolism?
Reaction to amniotic fluid mixing with maternal blood and causing immune reaction --> Bronchoconstriction and pulmonary and vasoconstriction --> DIC, HypoTN, Hypoxia, hemorrhage
30
What are the emergency interventions following amniotic fluid embolism?
Oxygenate, prepare for intubation, CPR, administer IV fluids and blood products. Foley + prepare for emergency birth
31
What are the neonatal consequences of amniotic fluid embolism?
Survival rate is 20-60%, half with neurological consequences
32
Who is less likely to have a successful VBAC?
Recurrent indication for initial CS Increased age of labouring person GA > 40 weeks Pre-eclampsia Interpregnancy interval < 18-months Induction/augmentation of labour Increased NB birth weight
33
What is another word for amniotic fluid embolism?
Anaphylactoid syndrome of pregnancy