Evaluation of extravascular lung water and cardiac function in normal vaginal delivery by intrapartum bedside ultrasound

Table 4 Cardiac function during and after labor

Variables	Early labor	End of the second stage of labor	2 h postpartum	24 h postpartum	P value
LVEF, %	67.60(9.14)	70.99(7.96)	67.42(6.89)	65.90(7.93)^b	0.041
LV E/A	1.41(0.24)	1.38(0.44)	1.35(0.35)	1.49(0.41)	0.116
LIMP	0.42(0.11)	0.44(0.10)	0.42(0.14)	0.41(0.07)	0.279
RVFAC, %	54.25(7.00)	60.56(11.19)^a	54.95(12.29)^b	52.69(9.28)^b	0.041
RV E/A	1.20(0.28)	0.96(0.39)^a	1.07(0.32)	1.26(0.27)^b	0.002
RIMP	0.32(0.10)	0.46(0.14)^a	0.39(0.14)	0.33(0.17)^b	0.002
HR	83.50(17.00)	92.00(14.50)^a	86.00(12.00)^a	76.00(83.50)^bc	< 0.001
Systolic pressure	115.00(8.00)	121.00(5.75)^a	120.00(7.50)	118.00(5.00)^b	0.008
Diastolic pressure	72.00(6.75)	74.50(5.50)	72.00(6.00)	71.50(6.50)	0.314

Values reported as median (interquartile range) as appropriate
LVEF: left ventricle ejection fraction, LV E/A: left ventricular E/A ratio, LIMP: left ventricular index of myocardial performance, RVFAC: right ventricle fractional area change, RV E/A: right ventricular E/A ratio, RIMP: right ventricular index of myocardial performance
^a Compared with the early labor, the difference is statistically significant, and after q test with Holm correction, P < 0.05
^b Compared with the end of the second stage of labor, the difference is statistically significant, and after q test with Holm correction, P < 0.05
^c Compared with 2 h postpartum, the difference is statistically significant, and after q test with Holm correction, P < 0.05

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