Incremental value of three-dimensional echocardiography for evaluating left atrial function in patients with coronary slow flow phenomenon: a case control study

Table 3 Comparison of LA two-dimensional and three-dimensional measurements in patients with CSFP

	2D measurements (n = 60)	3D measurements (n = 60)	P-value
LA Vol_max (mL)	54.53 ± 13.59	54.78 ± 10.78	0.78
LA Vol_p (mL)	38.97 ± 11.52	39.31 ± 8.64	0.38
LA Vol_min (mL)	26.11 ± 9.61	26.90 ± 7.05	0.10
LA total ejection fraction (%)	53.34 ± 9.44	51.32 ± 3.86	0.09
LA active ejection fraction (%)	32.90 ± 9.47	31.78 ± 6.24	0.48
LA passive ejection fraction (%)	27.14 ± 9.71	28.37 ± 4.57	0.42

Values shown are means±SD or percentages
Abbreviation: 2D two-dimensional, 3D three-dimensional, LA left atrium, LA Vol_max maximal LA volume in ventricular systole just before mitral valve opening, LA Vol_min minimal LA volume after mitral valve closure, LA Vol_p LA volume at the onset of the P wave on electrocardiography

ISSN: 1476-7120