Independent prognostic value of left atrial function by two-dimensional speckle tracking imaging in patients with non -ST-segment-elevation acute myocardial infarction

Table 3 Conventional and TDI electrocardiographic characteristics of patients

Characteristic	Had events (n = 20)	No events (n = 31)	p
LAVmax (ml)	62.18 ± 17.64	59.32 ± 11.77	0.104
LAVmin (ml)	26.56 ± 12.59	25.17 ± 9.58	0.262
LAVp (ml)	43.81 ± 15.59	43.06 ± 16.17	0.303
LAI (ml/m²)	35.78 ± 10.15	34.88 ± 11.51	0.089
LAPEF (%)	25.16 ± 12.26	29.02 ± 10.22	0.028*
LAAEF (%)	43.19 ± 9.67	45.33 ± 12.71	0.078
LA total EF (%)	58.06 ± 11.04	60.12 ± 10.52	0.054
LVEF (%)	56.18 ± 10.01	62.44 ± 11.92	0.089
E (cm/s)	77 ± 22	74 ± 16	0.434
A (cm/s)	82 ± 17	88 ± 11	0.118
E/A ratio	0.8 ± 0.2	0.8 ± 0.3	0.787
DT, ms	258 ± 44	230 ± 56	0.668
E’ (cm/s)	11.2 ± 2.5	12.5 ± 1.9	0.184
A’ (cm/s)	12.8 ± 2.2	11.6 ± 1.4	0.098
E/E’ ratio	6.9 ± 2.7	5.8 ± 1.8	0.037*

TDI Tissue Doppler Imaging, LAVmax Left atrial maximum volume, LAVmin LA minimum volume, LAVp LA pre-atrial volume, LAI Left atrial volume index, LAPEF left atrial passive ejection fraction, LAAEF Left atrial active ejection fraction, LA total EF left atrial total ejection fraction, LVEF left ventricular ejection fraction, E:mitral early diastolic peak velocity, A mitral late diastolic peak velocity, E/A ratio of early to late diastolic transmitral flow velocity, DT deceleration time, E’ myocardial early diastolic peak velocity, A’ myocardial late diastolic peak velocity, E/E’ ratio ratio of mitral to myocardial early diastolic peak velocity
*P < 0.05, between Had events group and No events group

ISSN: 1471-2261