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

Table 4 Correlation of LA volume and function by RT3DE with LV systolic and diastolic function

	LV GLS		mitral E		mitral E/A		mitral e’
	r	P	r	P	r	P	r	P
LA 2D Vol_max (mL)	0.16	0.11	−0.14	0.17	−0.24	0.01	−0.32	0.001
LA 2D Vol_p (mL)	0.18	0.07	−0.24	0.01	−0.35	0.001	−0.37	< 0.001
LA 2D Vol_min (mL)	0.22	0.03	−0.20	0.04	−0.26	0.009	−0.31	0.001
LA 2D total ejection fraction (%)	−0.18	0.07	0.21	0.04	0.20	0.04	0.24	0.01
LA 2D active ejection fraction (%)	−0.23	0.02	0.11	0.25	−0.05	0.60	0.06	0.52
LA 2D passive ejection fraction (%)	−0.15	0.13	0.26	0.008	0.27	0.005	0.21	0.03
LA 3D Vol_max (mL)	0.23	0.02	−0.06	0.58	− 0.16	0.12	− 0.24	0.02
LA 3D Vol_p (mL)	0.25	0.02	−0.10	0.32	−0.21	0.04	−0.29	0.004
LA 3D Vol_min (mL)	0.29	0.005	−0.12	0.25	−0.18	0.09	−0.25	0.02
LA 3D total ejection fraction (%)	−0.29	0.004	0.21	0.04	0.17	0.10	0.20	0.05
LA 3D active ejection fraction (%)	−0.24	0.02	0.13	0.21	0.04	0.68	0.06	0.57
LA 3D passive ejection fraction (%)	−0.11	0.30	0.19	0.07	0.21	0.04	0.22	0.03

Abbreviation: LA left atrium, 2D two-dimensional, 3D three-dimensional, 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