Table 3.
Right ventricular volume and fetal cardiac function parameters: Comparison between the affected fetuses with different degrees of tricuspid regurgitation and gestational age-matched controls
| Group | N | Gestational age (weeks) | RVEDV (mL) |
RVESV (mL) |
RVSV (mL) |
RVCO (mL/min) |
RVEF (%) |
|---|---|---|---|---|---|---|---|
| Control | 151 | 30.16 ± 3.85 | 3.54 ± 1.50 | 1.33 ± 0.56 | 2.21 ± 0.97 | 321.89 ± 142.02 | 62.31 ± 4.15 |
| HLHS-mild TR | 29 | 29.43 ± 3.64 | 4.17 ± 1.43* | 1.62 ± 0.67* | 2.55 ± 0.81* | 369.35 ± 118.41* | 61.92 ± 4.78 |
| HLHS-severe TR | 10 | 28.61 ± 2.60 | 4.69 ± 1.59*# (P = 0.008) | 2.71 ± 0.99*## | 1.98 ± 0.66# (P = 0.003) | 298.09 ± 101.94# (P = 0.014) | 42.56 ± 4.93*## |
Abbreviations: HLHS hypoplastic left heart syndrome, TR tricuspid regurgitation, RVEDV right ventricular end-diastolic volume; RVESV right ventricular end-systolic volume, RVSV right ventricular stroke volume, RVCO right ventricular cardiac output, RVEF right ventricular ejection fraction
* P < 0.001 vs. control group, after adjusting for gestational age; # P < 0.05, ## P < 0.001 vs. HLHS-mild TR, after adjusting for gestational age