Table 2.

Left ventricular functional echocardiographic measurements

	Preoperatively	Before discharge	Difference (post–pre)	p value
	Mean ± SD or Median [IQR]	Mean ± SD or Median [IQR]	Mean ± SD or Median [IQR]
Systolic
FS (%)	37.1 ± 7.1	34.4 ± 6.7	− 2.5 ± 7.1	0.14
TDI LV
Lateral wall
S′ (cm/s)	5.2 ± 1.4	5.8 ± 1.6	0.6 ± 2.1	0.12
IVS
S′ (cm/s)	5.3 [4.0–6.7]	3.9 ± 1.2	− 1.4 ± 1.8	< 0.001*
Diastolic
MV Doppler flow
E (m/s)	1.0 ± 0.3	1.0 [0.8–1.2]	0.04 ± 0.4	0.42
A (m/s)	0.8 ± 0.2	0.8 ± 0.2	− 0.1 ± 0.3	0.06
E/A	1.1 [1.0–1.2]	1.4 ± 0.5	0.3 ± 0.5	0.006*
TDI LV
Lateral wall
E′ (cm/s)	9.8 ± 3.4	9.7 ± 2.7	− 0.006 ± 4.1	0.99
A′ (cm/s)	5.9 ± 1.8	6.0 ± 2.3	0.4 ± 3.1	0.50
E/E′	9.5 [8.2–12.3]	10.2 [8.7–12.3]	0.4 ± 4.9	0.59
IVS
E′ (cm/s)	8.9 ± 2.7	7.6 ± 2.5	− 1.4 ± 3.3	0.03*
A′ (cm/s)	7.6 ± 2.8	5.0 [3.2–7.8]	− 2.6 ± 2.8	0.001*

*Means significant. p value determined with paired samples t test or Wilcoxon signed-rank test

FS fractional shortening, TDI tissue doppler image, LV left ventricle, MV mitral valve, IVS interventricular septum