Table 2. Early Echocardiographic Indices Of Ventricular Systolic Function Before And After Successful PCI In 21 Patients With Stable CAD*.

Method	Index	Pre-PCI	Post-PCI	p-value
2-D echocardiography
	LVEF (%)	47 ± 7.7	48.4 ± 9.2	0.10
	WMSI	1.41 ± 0.35	1.39 ± 0.39	0.26
M-mode echocardiography
	TAPSE (mm)	23 ± 2.7	23.2 ± 3.2	0.64
Doppler echocardiography
	Tei index	0.4 ± 1.1	0.4 ± 1.1	0.33
Tissue Doppler Imaging (cm/sec)
	Sa – septal	7.10 ± 1.37	7.29 ± 1.42	0.58
	Sa – lateral	8.52 ± 2.25	8.19 ± 2.36	0.44
	Sa – inferior	8.38 ± 1.91	8 ± 1.30	0.29
	Sa – anterior	7.48 ± 2.14	7.2 ± 1.47	0.46
	Sa – posterior	8.19 ± 1.72	8.24 ± 1.58	0.92
	TA-Sa	11.8 ± 2	12.2 ± 2	0.282

*Means ± standard deviation. PCI: percutaneous coronary intervention; CAD: coronary artery disease; LVEF: left ventricular ejection fraction; WMSI: wall motion abnormality score index; Sa: peak systolic velocity of mitral annulus; TA-Sa: peak systolic velocity of tricuspid annulus.