. 2016 Jul 15;51(1):50–57. doi: 10.1093/ejcts/ezw227

Table 4:

Systolic and diastolic function of the systemic right ventricle following either a modified Blalock–Taussig shunt or a right ventricle-to-pulmonary artery conduit

	MBT shunt	RVPA conduit	P-value
Ejection fraction %	57.9 ± 8.3	56.5 ± 8.5	0.44
Systolic function
Longitudinal
Strain %	−14.78 ± 5.68	−12.23 ± 4.52	0.023
Strain rate % s⁻¹	−1.37 ± 0.61	−0.92 ± 0.28	0.0001
Circumferential
Basal strain %	−12.53 ± 4.80	−10.44 ± 3.56	0.15
Basal strain rate % s⁻¹	−0.82 ± 0.34	−0.73 ± 0.22	0.19
Mid-strain %	−16.90 ± 5.14	−12.97 ± 4.63	0.006
Mid-strain rate % s⁻¹	−1.17 ± 1.11	−0.94 ± 0.34	0.22
Apical strain %	−17.28 ± 9.54	−18.03 ± 6.98	0.070
Apical strain rate % s⁻¹	−1.30 ± 0.84	−1.38 ± 0.50	0.35
Radial
Basal strain %	16.11 ± 12.45	15.82 ± 7.47	0.38
Basal strain rate % s⁻¹	1.16 ± 0.52	1.10 ± 0.41	0.25
Mid-strain %	24.76 ± 11.89	16.22 ± 8.05	0.0001
Mid-strain rate % s⁻¹	1.32 ± 0.69	1.17 ± 0.44	0.14
Apical strain %	11.08 ± 8.32	9.95 ± 7.72	0.15
Apical strain rate % s⁻¹	1.31 ± 0.78	1.14 ± 0.75	0.12
Diastolic function
Longitudinal
Strain rate % s⁻¹	1.82 ± 0.91	1.32 ± 0.61	0.0001
Circumferential
Basal strain rate % s⁻¹	1.04 ± 0.40	0.99 ± 0.36	0.63
Mid-strain rate % s⁻¹	1.46 ± 0.52	1.27 ± 0.50	0.054
Apical strain rate % s⁻¹	1.63 ± 1.10	1.94 ± 0.75	0.12
Radial
Basal strain rate % s⁻¹	−1.22 ± 0.59	−1.11 ± 0.49	0.11
Mid-strain rate % s⁻¹	−1.74 ± 0.94	−1.39 ± 0.68	0.011
Apical strain rate % s⁻¹	−1.42 ± 0.82	−1.24 ± 0.87	0.029

Values in bold indicate where P < 0.05.

MBT: modified Blalock–Taussig; RVPA: right ventricle-to-pulmonary artery.