Table 1.
Pregnancies complicated by hypertrophic obstructive cardiomyopathy (from [14]).
| Case | Age | Delivery methods | Indication of C/S | Delivery weeks | Medication at preconception | NYHA class at preconception | NYHA class during pregnancy | NYHA class after birth | MR (≧moderate) | LVOTO (>50 mmHg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 25 | Vaginal delivery | 38 | Metoprolol, verapamil | 1 | 1 | 1 | − | − | |
| 2 | 32 | Cesarean section | PH and elevated PG of LVOTO | 31 | Verapamil | 1 | 1 | 1 | − | − |
| 3 | 39 | Vaginal delivery | 40 | None | 1 | 1 | 1 | − | − | |
| 4 | 30 | Cesarean section | Elevated PG of LVOTO | 27 | Diltiazem | 2 | 3 | 2 | + | + |
| 5 | 25 | Cesarean section | Nonsustained ventricular tachycardia | 29 | Mexiletine, metoprolol | 1 | 1 | 1 | − | − |
| 6 | 30 | Cesarean section | Previous cesarean section | 37 | Mexiletine, metoprolol | 1 | 1 | 1 | − | − |
| 7 | 32 | Vaginal delivery | 37 | None | 1 | 1 | 1 | − | − |
PH: pulmonary hypertension, PG: pressure gradient, LVOT: left ventricular outflow tract, NYHA: New York Heart Association, and MR: mitral regurgitation.