TABLE 2.

Functional Parameters at 1-Day Posthatch

Parameter	0 nmol TCE	4 nmol TCE
BW (g)	40.7 ± 3.1	39.7 ± 5.2
Heart rate (beats/min)	277 ± 37	349 ± 52*
Tricuspid velocity (max)	55.4 ± 7.0	66.4 ± 6.5*
Pulmonary valve velocity (max)	55.2 ± 13.6	56.0 ± 17.6
PWd (mm)	1.00 ± 0.22	0.97 ± 0.07
PWs (mm)	1.59 ± 0.34	1.47 ± 0.18
AWd (mm)	0.92 ± 0.19	0.95 ± 0.05
AWs (mm)	1.67 ± 0.32	1.62 ± 0.18
LVDd (mm)	3.37 ± 0.27	3.24 ± 0.54
LVDs (mm)	1.69 ± 0.29	1.64 ± 0.41
LVFS%	50 ± 6	50 ± 5
RVDd (mm)	2.47 ± 0.37	2.45 ± 0.56
RVDs (mm)	1.07 ± 0.27	1.10 ± 0.32
RVFS%	57.7 ± 7	55 ± 20
LV mass (mg)	120 ± 44	110 ± 28
LV mass/BW (mg/g)	2.92 ± 1.06	2.84 ± 0.99

Note. Mean ± SD of functional parameters assessed by echocardiography, N = 10 per group. AWs and AWd, anterior wall thickness in systole and diastole; BW, body weight; LVDs and LVDd, LV diameter in systole and diastole; LVFS% and RVFS%, % fractional shortening of LV and RV; LV mass, calculated LV mass; PWs and PWd, posterior wall thickness in systole and diastole; RVDs and RVDd, RV diameter in systole and diastole.

*p = 0.002 by Student’s t-test.