PAS

Question 1

Risk of PAS w/ first CS + previa?

Answer 1

3%

Question 2

Risk of PAS w/ second CS + previa?

Answer 2

11%

Question 3

Risk of PAS w/ third CS + previa?

Answer 3

40%

Question 4

Risk of PAS w/ fourth CS + previa? Fifth?

Answer 4

61%

67%

Question 5

Delivery for suspected PAS?

Answer 5

Planned C-hyst at 34-35w6d weeks

Question 6

US findings consistent w/ PAS?

Answer 6

• Loss of normal uterine boundary

- Lacunar blood flow

Question 7

What percentage of preivas identified before 20 weeks will resolve?

Answer 7

90%

Question 8

Delivery for placenta previa

Answer 8

36 weeks

Question 9

Recommended imaging modality for initial evaluation of PAS?

Answer 9

Ultrasound!!

It is unclear whether MRI improves diagnosis of PAS beyound that achieved with US alone

Question 10

Recommended imaging modality for initial evaluation of PAS?

Answer 10

Ultrasound!!

It is unclear whether MRI improves diagnosis of PAS beyond that achieved with US alone

Question 11

At what EBl should you re-dose antibiotics?

Answer 11

1,500 mLs

Question 12

What US is the MOST predictive US finding consistent with PAS?

Answer 12

Increasing number of lacunae within the placenta at 15-20 wks gestation

Question 13

Most common reason for a cesarean hysterectomy in women undergoing primary cesarean delivery?

Answer 13

Uterine Atony

Question 14

Most common reason for cesarean hysterectomy in women having a repeat C/S?

Answer 14

Placenta Accreta

Question 15

Incidence of PPH w/ Vaginal delivery?

Answer 15

4%

Question 16

Incidence of PPH w/ Cesarean section

Answer 16

6%

Question 17

Best treatment for transfusion associated citrate toxicity?

Answer 17

Calcium Chloride to correct metabolic alkalosis

Question 18

Patient counseling regarding placenta previa

Answer 18

Pelvic rest
Avoid vigorous exercise
Avoid anything that could precipitate preterm labor