Table 2.
Variable | All (valid data) | Normal RV (55) | Abnormal RV (62) | P value |
Left ventricle | ||||
New LV systolic dysfunction, n (%) | 22 (18%) [119] | 6 (11%) [55] | 16 (26%) [62] | 0.04 |
LV end-systolic dimension (cm), mean (±SD) | 3.2 (±0.8) [117] | 2.9 (±0.6) [54] | 3.4 (±0.9) [61] | 0.014 |
LV end-diastolic dimension (cm), mean (±SD) | 4.5 (±0.7) [117] | 4.4 (±0.6) [54] | 4.6 (±0.8) [61] | 0.06 |
LA vol index (mL/m²), mean (±SD) | 34.8 (±17.9) [100] | 31.4 (±14.8) [46] | 37.6 (±19.8) [54] | 0.074 |
LA area 4ch (cm²), mean (±SD) | 19.5 (±6) [112] | 18.3 (±4.6) [52] | 20.6 (±7.0) [58] | 0.094 |
E/A, mean (±SD) | 1.0 (±0.4) [93] | 0.95 (±0.4) [47] | 1.0 (±0.4) [44] | 0.336 |
E/E′ average, mean (±SD) | 12.7 (±6.8) [106] | 12.4 (±6.7) [51] | 13.2 (±6.9) [53] | 0.459 |
E/E′ average>14, n (%) | 35 (33%) [106] | 16 (31%) [51] | 19 (36%) [53] | 0.629 |
New elevated LV filling pressure+normal LVEF>50%, n (%) | 7 (8%) [93] | 5 (11%) [44] | 2 (6%) [49] | 0.249 |
New LV dysfunction (systolic or diastolic), n (%) | 29 (24%) [119] | 11 (20%) [55] | 18 (29%) [62] | 0.259 |
New LV RWMA, number (%) | 6 (5%) [119] | 5 (9%) [55] | 1 (2%) [62] | 0.098 |
Right ventricle | ||||
New RV impairment by visual and numerical assessment, n (%) | 58 (50%) [117] | 0 (0%) [55] | 58 (100%) [58] | N/A |
TAPSE (cm), mean (±SD) | 2.5 (±3.4) [44] | 2.3 (±0.4) [16] | 1.5 (±0.4) [27] | <0.001 |
Reduced TAPSE<1.7 cm, n (%) | 17 (39%) [44] | 1 (6%) [16] | 16 (59%) [27] | 0.001 |
RVS’TDI (cm/s), mean (±SD) | 13.2 (±4.2) [110] | 15.2 (±3.5) [50] | 11.5 (±4.2) [59] | <0.001 |
Reduced RVS’TDI<9.5 cm, n (%) | 22 (20%) [110] | 0 (0%) [50] | 22 (37%) [59] | <0.001 |
FAC (%), mean (±SD) | 34.5 (±12.2) [87] | 45.6 (±7.5) [35] | 27.1 (±8.4) [52] | <0.001 |
Reduced FAC<35%, n (%) | 47 (53%) [88] | 0 (0%) [35] | 47 (90%) [52] | <0.001 |
RV dilatation, n (%) | 43 (42.2%) [102] | 9 (20%) [45] | 34 (60%) [57] | <0.001 |
Basal RV diameter (cm), mean (±SD) | 4.0 (±0.8) [102] | 3.7 (±0.6) [45] | 4.2 (±0.8) [57] | 0.001 |
Dilated basal RV>4.1 cm, n (%) | 38 (37%) [102] | 7 (16%) [45] | 31 (54%) [57] | <0.001 |
Mid RV diameter (cm), mean (±SD) | 3.2 (±0.7) [101] | 3.0 (±0.6) [44] | 3.3 (±0.7) [57] | 0.01 |
Dilated mid RV>3.5 cm, n (%) | 34 (34%) [101] | 7 (16%) [44] | 27 (47%) [57] | 0.001 |
RVOT VTI (cm), mean (±SD) | 12.9 (±4.8) [94] | 15.5 (±4.5) [37] | 11.1 (±4.2) [55] | <0.001 |
RV end diastolic area (cm²), mean (±SD) | 20.8 (±6.1) [92] | 19.1 (±4.9) [40] | 22.1 (±6.7) [52] | 0.022 |
Pulmonary pressure | ||||
D-shaped LV, n (%) | 25 (21%) [119] | 1 (2%) [55] | 24 (39%) [62] | <0.001 |
PV acceleration time (ms), mean (±SD) | 97.0 (±27) [97] | 107.5 (±25.6) [38] | 90.9 (±26.5) [57] | 0.003 |
PVAT<80 ms, n (%) | 29 (30%) [97] | 7 (18%) [38] | 21 (37%) [57] | 0.054 |
TR velocity m/s, mean (±SD) | 2.8 (±0.6) [80] | 2.7 (±0.5) [31] | 2.9 (±0.6) [49] | 0.039 |
Pulmonary artery systolic pressure (mm Hg), mean (±SD) | 40.5 (±16.2) [81] | 33.3 (±9.3) [32] | 45.2 (±18.0) [49] | 0.003 |
PASP>50 mm Hg, n (%) | 21 (26%) [81] | 3 (9%) [32] | 18 (37%) [49] | 0.006 |
Pulmonary vascular resistance (Wood units), mean (±SD) | 2.8 (±1.4) [72] | 2.0 (±0.6) [27] | 3.3 (±1.5) [45] | <0.001 |
PVR>3.0, n (%) | 25 (35%) [72] | 2 (7%) [27] | 23 (51%) [45] | <0.001 |
Elevated pulmonary pressure, n (%) | 47 (47%) [100] | 12 (29%) [41] | 35 (60%) [58] | 0.002 |
RA filling pressure (mm Hg), mean (±SD) | 7.6 (±6.0) [94] | 4.2 (±2.9) [44] | 10.6 (±6.6) [58] | <0.001 |
Number in square bracket records total number of patients.
LV, left ventricular; LVEF, LV ejection fraction; PASP, pulmonary artery systolic pressure; PVR, pulmonary vascular resistance; RVOT VTI, right ventricular outflow tract velocity time integral; RWMA, regional wall motion abnormality; TAPSE, tricuspid annular plane systolic excursion.