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Table 2 Echocardiographic variables in survivors and non-survivors upon admission and follow-up

From: Comprehensive temporal analysis of right ventricular function and pulmonary haemodynamics in mechanically ventilated COVID-19 ARDS patients

Echocardiographic Variable

COVID-19 ARDS survivors (n = 56)a

COVID-19 ARDS non-survivors (n = 120)

Admission

Day 10

p value

Admission

Day 10

p value

Age, years

65.9 ± 1.5

  

67.4 ± 1.0

  

Sex, %

39 (69.6%)

  

80 (66.7%)

  

APACHE II score

16.2 ± 0.9

  

17.3 ± 0.7

  

SOFA score

7.5 ± 0.2

  

8.05 ± 0.2

  

Right ventricle

 RVEDA/LVEDA

0.8 ± 0.05 (49)

0.6 ± 0.03 (49)#

0.001

0.81 ± 0.03 (78)

0.89 ± 0.03 (78)

0.864

 ACP

12 (24.5)

5 (10.2)

0.073

21 (26.9)

14 (17.9)

0.850

 RVEDA, cm2

22.1 ± 0.6 (49)

17.8 ± 0.8 (49)*

 < 0.0001

23 ± 0.8 (78)

24.4 ± 0.8 (78)

0.097

 RVESA, cm2

14.1 ± 0.5 (49)

10.3 ± 0.5 (49)#

 < 0.0001

14.5 ± 0.6 (78)

15.2 ± 0.8 (78)

0.357

 RV FAC, %

37.4 ± 1.6 (49)

41.1 ± 1.9 (49)

0.073

35.9 ± 1.6 (78)

38.9 ± 1.7 (78)

0.253

 RVEDVb, ml

128.1 ± 13.9 (29)*

92.8 ± 8.4 (29)*

0.006

110.91 ± 6.02 (44)

121.3 ± 6.17 (44)

0.004

 RVESVb, ml

82.4 ± 10.2 (29)*

52.2 ± 5.3 (29)*

0.002

67.6 ± 3.9 (44)

73.6 ± 4.4 (44)

0.127

 RVEFb (%)

36.5 ± 2.9 (29)

46.6 ± 2.1 (29)*

0.001

38.8 ± 1.5 (44)

39.1 ± 2 (44)

0.916

 TAPSE, mm

19.8 ± 0.6 (51)

21.5 ± 0.5 (51)

0.008

20.3 ± 0.6 (73)

22 ± 2 (73)

0.404

 RV S’, cm/sec

16.8 ± 0.8 (53)

19.9 ± 0.7 (53)#

0.002

15.3 ± 0.6 (74)

14.1 ± 0.5 (74)

0.045

 RV IVA, m/sec2

3.98 ± 0.17 (53)

4.1 ± 0.17 (53)

0.318

3.66 ± 0.12 (74)

3.77 ± 0.14 (74)

0.260

 RV–LS, %

− 13.6 ± 0.7 (42)

− 16.7 ± 0.8 (42)#

0.001

− 14.3 ± 0.8 (64)

− 12.6 ± 0.5 (64)

0.017

 VTIRVOT, cm

17 ± 0.7 (41)

19.4 ± 0.5 (41)#

0.011

16.2 ± 0.5 (60)

16.1 ± 0.4 (60)

0.987

 PASP, mmHg

36.1 ± 2.4 (43)

20.1 ± 3 (43)#

 < 0.0001

34.9 ± 1.8 (66)

36.3 ± 1.1 (66)

0.347

 PASP/VTILVOT, mmHg/cm

2 ± 0.2 (43)

0.9 ± 0.1 (43)#

 < 0.0001

2 ± 0.2 (65)

1.9 ± 0.1 (65)

0.543

 PASP/VTIRVOT, mmHg/cm

2.5 ± 1.4 (34)

1.1 ± 0.7 (34)#

 < 0.0001

2.5 ± 1.5 (57)

2.4 ± 0.9 (57)

0.445

 Pulmonary AcT, msec

61 ± 2.5 (41)

84.7 ± 2.4 (41)#

 < 0.0001

66.8 ± 2.6 (60)

62.6 ± 2.3 (60)

0.096

 RVOT notch

15 (23.4%)

4 (6.3%) *

0.033

21 (35%)

13 (21.6%)

0.321

 VACR, mm/mmHg

0.80 ± 0.1 (43)

1.5 ± 0.1 (43)#

 < 0.0001

0.73 ± 0.07 (60)

0.66 ± 0.08 (60)

0.497

Left ventricle

 LVEDD, mm

4.66 ± 0.1 (49)

4.62 ± 0.1 (49)

0.576

4.55 ± 0.06 (78)

4.53 ± 0.06 (78)

0.760

 IVS, mm

0.9 ± 0.01 (49)

  

0.92 ± 0.01 (78)

  

 LVEDA, cm2

27.2 ± 1.03 (49)

27.1 ± 0.8 (49)

0.917

29.2 ± 0.7 (78)

27.9 ± 0.7 (78)

0.097

 LVESA, cm2

17.4 ± 2.2 (49)

15.9 ± 1.5 (49)

0.555

16.3 ± 1.9 (78)

12.8 ± 1.2 (78)

0.357

 VTILVOT, cm

19.9 ± 0.1 (49)

21.8 ± 0.5 (49)*

0.005

20.2 ± 0.7 (78)

20.1 ± 0.5 (78)

0.914

 LVEDV, ml (2D)

81.5 ± 4.5 (49)

85.9 ± 3.2 (49)

0.441

85.5 ± 4.9 (78)

80.7 ± 3.1 (78)

0.361

 LVESV, ml (2D)

30.1 ± 2.5 (49)

32.1 ± 1.9 (49)

0.535

35.4 ± 3.8 (78)

32.5 ± 2 (78)

0.409

 EF, %

62.5 ± 2.6 (49)

62.2 ± 2.8 (49)

0.932

60.4 ± 2.3 (78)

59.9 ± 1.7 (78)

0,869

 SV, ml (Simpson’s)

50.1 ± 3.1 (49)

53.1 ± 2.7 (49)

0.600

47.6 ± 3.2 (78)

47.9 ± 2 (78)

0.754

 LVEDV, ml (3D)b

82.5 ± 3.6 (30)

84.6 ± 2.8 (30)

0.553

82 ± 3.6 (42)

85.1 ± 3 (42)

0.187

 LVESV, ml (3D)b

32.1 ± 1.9 (30)

34.5 ± 1.7 (30)

0.266

35 ± 2.2 (42)

35.3 ± 2 (42)

0.857

 SV, ml (3D)b

50.3 ± 2.5 (30)

50.1 ± 2.5 (30)

0.952

46.9 ± 2.2 (42)

49.8 ± 2.1 (42)

0.221

 EF (3D), %b

61.1 ± 1.5 (30)

58.6 ± 2.1 (30)

0.356

57.4 ± 1.6 (42)

58.4 ± 1.6 (42)

0.869

 LV–LS, %

− 13.2 ± 0.8 (41)

− 17.4 ± 0.7 (41)#

< 0.0001

− 12.5 ± 0.6 (58)

− 11.9 ± 0.5 (58)

0.298

 LV S’, cm/s

10.5 ± 0.8 (31)

10.6 ± 0.8 (31)

0.581

10.2 ± 0.6 (65)

10.4 ± 0.6 (65)

0.036

 Pericardial effusion

17/56 (30.4%)*

14/49 (28.6%)*

1.000

53/120 (44.2%)

39/78 (50%)

1.000

  1. Data are expressed as mean ± standard error of means
  2. A left ventricular late diastolic filling velocity with atrial contraction, ACP, acute cor pulmonale, E, left ventricular early diastolic peak velocity, E’, early diastolic tissue Doppler velocity, EF ejection fraction, LV–LS longitudinal strain of the left ventricle, IVA isovolumic acceleration, IVS interventricular septum, LVEDD left ventricular end diastolic diameter, LVEDV left ventricular end diastolic volume, LVESV left ventricular end systolic volume, LV s’ systolic tissue Doppler velocity measured at the lateral mitral annulus, PASP pulmonary artery systolic pressure, PASP/VTIRVOT pulmonary artery systolic pressure to right ventricular outflow tract velocity time integral ratio, RVEDA/LVEDA right ventricular end diastolic area to left ventricular end diastolic area, RVEDV right ventricular end diastolic volume, RVEF right ventricular ejection fraction, RVESV right ventricular end systolic volume, RVFAC right ventricular fractional area change, RV–LS right ventricular free wall longitudinal strain, RV S’ systolic tissue Doppler velocity measured at the lateral tricuspid annulus, RV SV right ventricular stroke volume, SV stroke volume, TAPSE tricuspid annular plane systolic excursion, VACR right ventricular to pulmonary artery coupling, VTILVOT, left ventricular outflow tract velocity time integral, VTIRVOT, right ventricular outflow tract velocity time integral
  3. aNumbers in parenthesis refer to the actual number of patients that the variable was measured
  4. b3D measurements