The Diagnostic and Prognostic Value of Cardiac Magnetic Resonance Strain Analysis in Heart Failure with Preserved Ejection Fraction

Table 2

Baseline imaging characteristics.

Characteristic	Control	HFpEF	P value
	Echocardiography
LVEF (%)	62.83 ± 3.815	55.21 ± 5.291
E/eʹ ratio	8.148 ± 2.4	16.29 ± 4.627
CMR
LV parameters
LVEF (%)	62.66 ± 6.707	57.29 ± 7.933
LVEDV (ml)	135.7 ± 32.08	139.4 ± 31.95	0.4954
LVESV (ml)	50.66 ± 14.97	59.87 ± 18.62
LVM (g)	102.1 ± 27.32	135.5 ± 50.04
LVEDVI (ml/m^2)	76.7 ± 18.26	77.98 ± 16.54	0.6616
LVESVI (ml/m^2)	28.63 ± 8.468	33.75 ± 10.77
LVMI (g/m^2)	57.28 ± 12.9	75.25 ± 24.14
RV parameters
RVEF (%)	50.59 ± 9.95	47.89 ± 11.75	0.1571
RVEDV (ml)	143.7 ± 43.38	128 ± 37.97
RVESV (ml)	71.04 ± 24.82	67.48 ± 28.27	0.4419
RVEDVI (ml/m^2)	80.34 ± 23.23	71.03 ± 19.65
RVESVI (ml/m^2)	39.31 ± 11.99	38.02 ± 15.46	0.5975
LA parameters
LAVmin (ml)	23.78 ± 12.89	38.67 ± 19.46
LAVmax (ml)	60.74 ± 24.27	78.92 ± 29.99
LAVImin (ml/m^2)	13.01 ± 7.115	21.44 ± 11.23
LAVImax (ml/m^2)	19.76 ± 17.82	38.61 ± 19.21
Strain
LVGLS (%)	−14.51 ± 1.814	−11.33 ± 3.737
RVGLS (%)	−16.09 ± 6.751	−14.11 ± 4.735
LAGLS (%)	−15.05 ± 4.021	−12.87 ± 4.054
LVGRS (%)	25.93 ± 6.029	21.05 ± 6.519
LAGRS (%)	27.49 ± 10.22	21.95 ± 8.627
RVGRS (%)	25.88 ± 16.99	17.54 ± 8.72
LVGCS (%)	−17.29 ± 2.633	−14.01 ± 2.762
RVGCS (%)	−10.94 ± 4.789	−9.729 ± 4.008	0.1152

Data are presented in mean ± SD, is considered statistically significant. Abbreviations: HFpEF, heart failure with preserved ejection fraction; LVEF, left ventricular ejection fraction; E/eʹ ratio, mitral peak velocity of early filling (E) to early diastolic mitral annular velocity (eʹ); CMR, cardiovascular magnetic resonance; LVEDV, left ventricular end-diastolic volume; LVESV, left ventricular end-systolic volume; LVM, left ventricular end-diastolic mass; LVEDVI, left ventricular end-diastolic volume indexed to body surface area; LVESVI, left ventricular end-systolic volume indexed to body surface area; LVMI, left ventricular end-diastolic mass indexed to body surface area; RVEF, right ventricular ejection fraction; RVEDV, right ventricular end-diastolic volume; RVESV, right ventricular end-systolic volume; RVEDVI, right ventricular end-diastolic volume indexed to body surface area; RVESVI, right ventricular end-systolic volume indexed to body surface area; LAV_min, left atrium minimum volume; LAV_max, left atrium maximum volume; LAVI_min, left atrium minimum volume indexed to body surface area; LAVI_max, left atrium minimum volume indexed to body surface area; GCS, global circumferential strain; GLS, global longitudinal strain; GRS, global radial strain.