Table 4.

Right 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
TAPSE	12.9 ± 2.6	6.5 ± 1.6	− 6.5 ± 3.1	< 0.001*
TDI RV
Free wall
S′ (cm/s)	9.8 ± 2.0	3.7 [3.7–5.6]	− 4.9 ± 2.5	< 0.001*
Diastolic
TV Doppler flow
E (m/s)	0.9 ± 0.2	1.0 ± 0.2	0.06 ± 0.3	0.21
A (m/s)	0.8 ± 0.3	0.8 ± 0.2	− 0.1 ± 0.5	0.41
E/A	1.2 ± 0.5	1.1 [0.9–1.6]	0.2 ± 1.0	0.68
TDI RV
Free wall
E′ (cm/s)	16.8 ± 7.1	6.7 [5.0–8.0]	− 10.2 ± 6.4	< 0.001*
A′ (cm/s)	12.9 ± 4.2	5.4 ± 3.3	− 6.8 ± 4.7	< 0.001*
E/E′	6.1 ± 2.4	15.5 ± 5.1	9.8 ± 5.2	< 0.001*

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

TAPSE tricuspid annular plane systolic excursion, TDI tissue doppler image, RV right ventricle, TV tricuspid valve