OHSS

Question 1

Mild OHSS features?

Answer 1

abdo bloating, mild pain, ovarian size <8cm

Question 2

Moderate OHSS features?

Answer 2

Ovarian size 8-12cm, ultrasound evidence of ascites, nausea/vomiting

Question 3

Severe OHSS features?

Answer 3

Clinical ascites
Oliguria >300ml/day or <30ml/h
Haematocrit >0.45
K+ >5
Hyponatraemia, Hypoosmolar, hypoproteinaemia
Ovarian size >12cm

Question 4

Critical OHSS features?

Answer 4

Tense ascites
Haematocrit >0.55
WCC >25
Oliguria/anuria
thromboembolism
ARDS

Question 5

Indications for paracentesis in OHSS?

Answer 5

Severe abdominal distension and abdo pain secondary to ascites
SOB and resp compromise secondary to ascites
Oliguria despite adequate volume replacement secondary to increase abdo pressure causing reduced renal perfusion