Impact of Total Ischemic Time on the Recovery of Regional Wall Motion Abnormality after STEMI in the Modern Reperfusion Era

Table 2

Echocardiographic parameters.

	ΔWMSI↓ (n = 109)	ΔWMSI↑ (n = 42)	value
LV end-diastolic dimension, mm	48.2 ± 4.1	50.0 ± 4.8	0.027
LV end-systolic dimension, mm	32.3 ± 4.5	34.0 ± 6.3	0.064
Interventricular septum thickness, mm	9.7 ± 1.4	9.8 ± 1.1	0.700
LV posterior wall thickness, mm	9.6 ± 1.2	9.9 ± 1.2	0.256
LV ejection fraction, %	51.9 ± 8.4	52.5 ± 8.7	0.669
LA volume index, ml/m^2	33.4 ± 11.4	33.9 ± 9.0	0.812
Early diastolic mitral inflow velocity (E), m/s	0.59 ± 0.19	0.65 ± 0.20	0.101
Late diastolic mitral inflow velocity (A), m/s	0.74 ± 0.18	0.76 ± 0.21	0.465
Mitral annulus early diastolic velocity (e′), m/s	0.06 ± 0.02	0.07 ± 0.07	0.477
E/e′	10.8 ± 5.0	12.6 ± 5.9	0.064
RV systolic pressure, mm Hg	25.5 ± 8.5	25.8 ± 10.1	0.840

Values are presented as mean ± standard deviation. LA, left atrium; LV, left ventricle; RV, right ventricle. Statistical significance was defined as by Welch’s t-test (continuous variables). The value in bold indicates statistical significance ().