Table 4.
Estimated fetal weight and biological parameters: Comparison between the affected fetuses with different degrees of tricuspid regurgitation and gestational age-matched controls
| Group | N | Gestational age (weeks) | RVCO/EFW (mL/min/kg) |
RVCO/HC (mL/min/cm) |
RVCO/AC (mL/min/cm) |
RVCO/FL (mL/min/cm) |
|---|---|---|---|---|---|---|
| Control | 151 | 30.16 ± 3.85 | 207.01 ± 31.59 | 11.30 ± 4.02 | 11.92 ± 3.86 | 54.84 ± 18.43 |
| HLHS-mild TR | 29 | 29.43 ± 3.64 | 280.00 ± 63.62* | 13.70 ± 3.32* | 14.62 ± 3.58* | 63.24 ± 13.90* |
| HLHS-severe TR | 10 | 28.61 ± 2.60 | 224.32 ± 61.64# (P = 0.013) | 10.85 ± 3.16# (P = 0.006) | 11.66 ± 3.23# (P = 0.015) | 53.59 ± 15.66# (P = 0.008) |
Abbreviations: HLHS hypoplastic left heart syndrome, TR tricuspid regurgitation, RVCO right ventricular cardiac output, EFW estimated fetal weight, HC head circumference, AC abdominal circumference, FL femur length
* P < 0.001 vs. control group, after adjusting for gestational age; # P < 0.05 vs. HLHS-mild TR, after adjusting for gestational age