Table 3 Difference in myocardial velocities before and after intrauterine transfusion (n = 66). Absolute values and z-scores
Variable | LV | IVS | RV | |||
|---|---|---|---|---|---|---|
Median b (IQ) | Median b z-score (IQ) | Median b (IQ) | Median b z-score (IQ) | Median b (IQ) | Median b z-score (IQ) | |
(cm/sec) | (cm/sec) | (cm/sec) | ||||
Myocardial velocities | ||||||
Am | −1.03 (1.52) | −0.75a (1.54) | − 0.62 (1.41) | − 0.61a (1.29) | −0.47 (2.36) | − 0.40 (1.73) |
Sm | −0.52 (1.13) | − 0.62a (1.30) | −0.49 (0.64) | − 0.97a (1.18) | −0.45 (1.23) | − 0.49a (1.45) |
Em | −0.41 (1.08) | − 0.38a (1.12) | −0.34 (1.14) | − 0.34a (1.16) | −0.11 (2.00) | − 0.13 (1.61) |
Em/Am ratio | + 0.23 (0.55) | + 0.58a (1.43) | + 0.05 (0.50) | + 0.19 (1.55) | + 0.002 (0.32) | + 0.01 (1.35) |