Table 2

Echocardiographic characteristics according to the LARS-DD grade

VariableOverall
n = 601
LARS-DD Grade 0/1
n = 169
LARS-DD Grade 2
n = 96
LARS-DD Grade 3
n = 336
P-value
LV end-diastolic diameter index, mm/m224.9 (22.5–28.0)24.3 (22.3–26.8)25.1 (22.5–28.1)25.1 (22.5–28.7)0.068
LV end-systolic diameter index, mm/m217.3 (14.1–20.4)15.5 (13.4–19.0)17.1 (14.3–21.1)17.7 (14.8–21.5)*<0.001
LV mass index, g/m2121 (100–147)112 (91–133)122 (103–142)126 (104–151)*<0.001
LV end-diastolic volume index, mL/m247 (37–60)44 (35–55)49 (39–61)47 (38–64)*0.019
LV end-systolic volume index, mL/m219 (13–30)16 (12–23)19 (14–28)*21 (14–36)*<0.001
LVEF, %58 (48–65)63 (56–69)60 (50–66)*55 (43–62)*, **<0.001
Left atrial volume index, mL/m240 (31–51)33 (26–39)35 (27–44)47 (37–58)*, **<0.001
Stroke volume index, mL/m238 (31–47)43 (35–51)39 (32–47)35 (29–43)*, **<0.001
Aortic peak velocity, m/s4.00 (3.48–4.44)4.09 (3.66–4.51)4.14 (3.64–4.65)3.90 (3.36–4.36)*, **0.001
Aortic mean pressure gradient, mmHg41 (31–52)43 (34–54)42 (35–56)39 (30–49)*, **0.002
Aortic valve area, cm0.78 (0.62–0.93)0.83 (0.70–0.96)0.73 (0.59–0.93)*0.76 (0.60–0.92)*0.001
Significant aortic regurgitation95 (16%)15 (9.2%)16 (17%)64 (19%)*0.016
Mean mitral pressure gradient, mmHg2.22 (1.58–3.32)2.05 (1.51–2.85)2.02 (1.61–3.13)2.35 (1.60–3.55)*0.008
Significant mitral regurgitation126 (21%)16 (9.8%)8 (8.3%)102 (31%)*, **<0.001
Average e′ velocity, cm/s5.09 (4.00–7.00)5.00 (4.00–7.00)5.00 (4.00–6.00)6.00 (4.00–7.00)0.070
E/e16 (12–22)13 (10–18)14 (11–19)17 (13–26)*, **<0.001
Tricuspid regurgitation maximal velocity, m/s2.65 (2.36–3.01)2.55 (2.22–2.73)2.52 (2.26–2.82)2.78 (2.48–3.18)*, **<0.001
Mitral inflow E-wave velocity, cm/s87 (66–114)70 (56–87)76 (58–93)103 (81–126)*, **<0.001
Mitral inflow A-wave velocity, cm/s98 (76–123)102 (87–122)99 (80–124)94 (65–124)0.033
Mitral inflow E/A ratio0.77 (0.59–1.15)0.66 (0.57–0.84)0.69 (0.57–0.89)1.04 (0.69–1.47)*, **<0.001
Conventional multi-parametric diastolic dysfunction gradinga<0.001
 Grade 1 diastolic dysfunction198 (45%)104 (65%)51 (59%)43 (22%)
 Grade 2 diastolic dysfunction205 (47%)53 (33%)35 (41%)117 (60%)
 Grade 3 diastolic dysfunction37 (8.4%)2 (1.3%)0 (0%)35 (18%)
LV global longitudinal strain (%)−13.6 (−10.7 to −16.4)−16.2 (−13.4 to −18.3)−14.6 (−11.7 to −17.6)−12.2 (−9.2 to −14.7)<0.001
VariableOverall
n = 601
LARS-DD Grade 0/1
n = 169
LARS-DD Grade 2
n = 96
LARS-DD Grade 3
n = 336
P-value
LV end-diastolic diameter index, mm/m224.9 (22.5–28.0)24.3 (22.3–26.8)25.1 (22.5–28.1)25.1 (22.5–28.7)0.068
LV end-systolic diameter index, mm/m217.3 (14.1–20.4)15.5 (13.4–19.0)17.1 (14.3–21.1)17.7 (14.8–21.5)*<0.001
LV mass index, g/m2121 (100–147)112 (91–133)122 (103–142)126 (104–151)*<0.001
LV end-diastolic volume index, mL/m247 (37–60)44 (35–55)49 (39–61)47 (38–64)*0.019
LV end-systolic volume index, mL/m219 (13–30)16 (12–23)19 (14–28)*21 (14–36)*<0.001
LVEF, %58 (48–65)63 (56–69)60 (50–66)*55 (43–62)*, **<0.001
Left atrial volume index, mL/m240 (31–51)33 (26–39)35 (27–44)47 (37–58)*, **<0.001
Stroke volume index, mL/m238 (31–47)43 (35–51)39 (32–47)35 (29–43)*, **<0.001
Aortic peak velocity, m/s4.00 (3.48–4.44)4.09 (3.66–4.51)4.14 (3.64–4.65)3.90 (3.36–4.36)*, **0.001
Aortic mean pressure gradient, mmHg41 (31–52)43 (34–54)42 (35–56)39 (30–49)*, **0.002
Aortic valve area, cm0.78 (0.62–0.93)0.83 (0.70–0.96)0.73 (0.59–0.93)*0.76 (0.60–0.92)*0.001
Significant aortic regurgitation95 (16%)15 (9.2%)16 (17%)64 (19%)*0.016
Mean mitral pressure gradient, mmHg2.22 (1.58–3.32)2.05 (1.51–2.85)2.02 (1.61–3.13)2.35 (1.60–3.55)*0.008
Significant mitral regurgitation126 (21%)16 (9.8%)8 (8.3%)102 (31%)*, **<0.001
Average e′ velocity, cm/s5.09 (4.00–7.00)5.00 (4.00–7.00)5.00 (4.00–6.00)6.00 (4.00–7.00)0.070
E/e16 (12–22)13 (10–18)14 (11–19)17 (13–26)*, **<0.001
Tricuspid regurgitation maximal velocity, m/s2.65 (2.36–3.01)2.55 (2.22–2.73)2.52 (2.26–2.82)2.78 (2.48–3.18)*, **<0.001
Mitral inflow E-wave velocity, cm/s87 (66–114)70 (56–87)76 (58–93)103 (81–126)*, **<0.001
Mitral inflow A-wave velocity, cm/s98 (76–123)102 (87–122)99 (80–124)94 (65–124)0.033
Mitral inflow E/A ratio0.77 (0.59–1.15)0.66 (0.57–0.84)0.69 (0.57–0.89)1.04 (0.69–1.47)*, **<0.001
Conventional multi-parametric diastolic dysfunction gradinga<0.001
 Grade 1 diastolic dysfunction198 (45%)104 (65%)51 (59%)43 (22%)
 Grade 2 diastolic dysfunction205 (47%)53 (33%)35 (41%)117 (60%)
 Grade 3 diastolic dysfunction37 (8.4%)2 (1.3%)0 (0%)35 (18%)
LV global longitudinal strain (%)−13.6 (−10.7 to −16.4)−16.2 (−13.4 to −18.3)−14.6 (−11.7 to −17.6)−12.2 (−9.2 to −14.7)<0.001

The values are expressed as median (IQR) and n (%).

LARS-DD, left atrial reservoir strain diastolic dysfunction; LV, left ventricle; LVEF, left ventricular ejection fraction.

aIn subset of patients without atrial fibrillation.

*P < 0.05 vs. Group I.

**P < 0.05 vs. Group II.

Table 2

Echocardiographic characteristics according to the LARS-DD grade

VariableOverall
n = 601
LARS-DD Grade 0/1
n = 169
LARS-DD Grade 2
n = 96
LARS-DD Grade 3
n = 336
P-value
LV end-diastolic diameter index, mm/m224.9 (22.5–28.0)24.3 (22.3–26.8)25.1 (22.5–28.1)25.1 (22.5–28.7)0.068
LV end-systolic diameter index, mm/m217.3 (14.1–20.4)15.5 (13.4–19.0)17.1 (14.3–21.1)17.7 (14.8–21.5)*<0.001
LV mass index, g/m2121 (100–147)112 (91–133)122 (103–142)126 (104–151)*<0.001
LV end-diastolic volume index, mL/m247 (37–60)44 (35–55)49 (39–61)47 (38–64)*0.019
LV end-systolic volume index, mL/m219 (13–30)16 (12–23)19 (14–28)*21 (14–36)*<0.001
LVEF, %58 (48–65)63 (56–69)60 (50–66)*55 (43–62)*, **<0.001
Left atrial volume index, mL/m240 (31–51)33 (26–39)35 (27–44)47 (37–58)*, **<0.001
Stroke volume index, mL/m238 (31–47)43 (35–51)39 (32–47)35 (29–43)*, **<0.001
Aortic peak velocity, m/s4.00 (3.48–4.44)4.09 (3.66–4.51)4.14 (3.64–4.65)3.90 (3.36–4.36)*, **0.001
Aortic mean pressure gradient, mmHg41 (31–52)43 (34–54)42 (35–56)39 (30–49)*, **0.002
Aortic valve area, cm0.78 (0.62–0.93)0.83 (0.70–0.96)0.73 (0.59–0.93)*0.76 (0.60–0.92)*0.001
Significant aortic regurgitation95 (16%)15 (9.2%)16 (17%)64 (19%)*0.016
Mean mitral pressure gradient, mmHg2.22 (1.58–3.32)2.05 (1.51–2.85)2.02 (1.61–3.13)2.35 (1.60–3.55)*0.008
Significant mitral regurgitation126 (21%)16 (9.8%)8 (8.3%)102 (31%)*, **<0.001
Average e′ velocity, cm/s5.09 (4.00–7.00)5.00 (4.00–7.00)5.00 (4.00–6.00)6.00 (4.00–7.00)0.070
E/e16 (12–22)13 (10–18)14 (11–19)17 (13–26)*, **<0.001
Tricuspid regurgitation maximal velocity, m/s2.65 (2.36–3.01)2.55 (2.22–2.73)2.52 (2.26–2.82)2.78 (2.48–3.18)*, **<0.001
Mitral inflow E-wave velocity, cm/s87 (66–114)70 (56–87)76 (58–93)103 (81–126)*, **<0.001
Mitral inflow A-wave velocity, cm/s98 (76–123)102 (87–122)99 (80–124)94 (65–124)0.033
Mitral inflow E/A ratio0.77 (0.59–1.15)0.66 (0.57–0.84)0.69 (0.57–0.89)1.04 (0.69–1.47)*, **<0.001
Conventional multi-parametric diastolic dysfunction gradinga<0.001
 Grade 1 diastolic dysfunction198 (45%)104 (65%)51 (59%)43 (22%)
 Grade 2 diastolic dysfunction205 (47%)53 (33%)35 (41%)117 (60%)
 Grade 3 diastolic dysfunction37 (8.4%)2 (1.3%)0 (0%)35 (18%)
LV global longitudinal strain (%)−13.6 (−10.7 to −16.4)−16.2 (−13.4 to −18.3)−14.6 (−11.7 to −17.6)−12.2 (−9.2 to −14.7)<0.001
VariableOverall
n = 601
LARS-DD Grade 0/1
n = 169
LARS-DD Grade 2
n = 96
LARS-DD Grade 3
n = 336
P-value
LV end-diastolic diameter index, mm/m224.9 (22.5–28.0)24.3 (22.3–26.8)25.1 (22.5–28.1)25.1 (22.5–28.7)0.068
LV end-systolic diameter index, mm/m217.3 (14.1–20.4)15.5 (13.4–19.0)17.1 (14.3–21.1)17.7 (14.8–21.5)*<0.001
LV mass index, g/m2121 (100–147)112 (91–133)122 (103–142)126 (104–151)*<0.001
LV end-diastolic volume index, mL/m247 (37–60)44 (35–55)49 (39–61)47 (38–64)*0.019
LV end-systolic volume index, mL/m219 (13–30)16 (12–23)19 (14–28)*21 (14–36)*<0.001
LVEF, %58 (48–65)63 (56–69)60 (50–66)*55 (43–62)*, **<0.001
Left atrial volume index, mL/m240 (31–51)33 (26–39)35 (27–44)47 (37–58)*, **<0.001
Stroke volume index, mL/m238 (31–47)43 (35–51)39 (32–47)35 (29–43)*, **<0.001
Aortic peak velocity, m/s4.00 (3.48–4.44)4.09 (3.66–4.51)4.14 (3.64–4.65)3.90 (3.36–4.36)*, **0.001
Aortic mean pressure gradient, mmHg41 (31–52)43 (34–54)42 (35–56)39 (30–49)*, **0.002
Aortic valve area, cm0.78 (0.62–0.93)0.83 (0.70–0.96)0.73 (0.59–0.93)*0.76 (0.60–0.92)*0.001
Significant aortic regurgitation95 (16%)15 (9.2%)16 (17%)64 (19%)*0.016
Mean mitral pressure gradient, mmHg2.22 (1.58–3.32)2.05 (1.51–2.85)2.02 (1.61–3.13)2.35 (1.60–3.55)*0.008
Significant mitral regurgitation126 (21%)16 (9.8%)8 (8.3%)102 (31%)*, **<0.001
Average e′ velocity, cm/s5.09 (4.00–7.00)5.00 (4.00–7.00)5.00 (4.00–6.00)6.00 (4.00–7.00)0.070
E/e16 (12–22)13 (10–18)14 (11–19)17 (13–26)*, **<0.001
Tricuspid regurgitation maximal velocity, m/s2.65 (2.36–3.01)2.55 (2.22–2.73)2.52 (2.26–2.82)2.78 (2.48–3.18)*, **<0.001
Mitral inflow E-wave velocity, cm/s87 (66–114)70 (56–87)76 (58–93)103 (81–126)*, **<0.001
Mitral inflow A-wave velocity, cm/s98 (76–123)102 (87–122)99 (80–124)94 (65–124)0.033
Mitral inflow E/A ratio0.77 (0.59–1.15)0.66 (0.57–0.84)0.69 (0.57–0.89)1.04 (0.69–1.47)*, **<0.001
Conventional multi-parametric diastolic dysfunction gradinga<0.001
 Grade 1 diastolic dysfunction198 (45%)104 (65%)51 (59%)43 (22%)
 Grade 2 diastolic dysfunction205 (47%)53 (33%)35 (41%)117 (60%)
 Grade 3 diastolic dysfunction37 (8.4%)2 (1.3%)0 (0%)35 (18%)
LV global longitudinal strain (%)−13.6 (−10.7 to −16.4)−16.2 (−13.4 to −18.3)−14.6 (−11.7 to −17.6)−12.2 (−9.2 to −14.7)<0.001

The values are expressed as median (IQR) and n (%).

LARS-DD, left atrial reservoir strain diastolic dysfunction; LV, left ventricle; LVEF, left ventricular ejection fraction.

aIn subset of patients without atrial fibrillation.

*P < 0.05 vs. Group I.

**P < 0.05 vs. Group II.

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