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Table 2 Echocardiographic findings in the three groups

From: Evaluation of right and left ventricular function using speckle tracking echocardiography in patients with arrhythmogenic right ventricular cardiomyopathy and their first degree relatives

 

ARVC (n = 17)

Relatives (n = 19)

Controls (n = 22)

P-value*

Mean (SD)

Mean (SD)

Mean (SD)

LV diameter (mm)

52.6 (6.4)

54.6 (4.4)

51.3 (2.9)

0.009

RVOT/BSA (cm/m 2 )

2.0 (0.4)

1.6 (0.2)

1.6 (0.2)

0.981

RVIT/BSA (cm/m 2 )

2.3 (0.5)

1.9 (0.2)

1.8 (0.2)

0.674

LVOT VTI (cm)

18.8 (5.5)

21.3 (2.5)

20.9 (2.4)

0.555

TAPSE (mm)

19.1 (5.0)

25.3 (2.9)

25.3 (3.0)

0.963

Sw lat. LV (cm/s)

6.6 (2.3)

7.3 (1.2)

8.5 (1.9)

0.018

Sw Sept. (cm/s)

5.7 (1.6)

6.6 (1.0)

7.1 (0.9)

0.115

Sw RV free wall (cm/s)

8.2 (2.5)

11.2 (1.9)

11.6 (1.7)

0.545

E/A LV

1.3 (0.5)

1.8 (0.6)

1.7 (0.4)

0.600

E/E’ LV

8.8 (3.2)

6.4 (2.1)

6.1 (1.6)

0.608

2D strain LV base (%)

−17.3 (4.4)

−19.6 (2.7)

−20.2 (3.5)

0.518

2D strain LV mid (%)

−15.3 (4.9)

−18.3 (3.2)

−18.3 (2.4)

0.968

2D strain sept base (%)

−14.9 (3.6)

−15.8 (2.9)

−17.8 (2.5)

0.025

2D strain sept mid (%)

−15.2 (5.6)

−18.5 (2.9)

−18.2 (2.1)

0.636

2D strain RV base (%)

−16.0 (6.8)

−26.8 (2.9)

−28.5 (3.6)

0.121

2D strain RV mid (%)

−18.9 (5.9)

−27.3 (4.5)

−27.2 (3.5)

0.945

  1. * Controls vs. relatives using Student’s t-test.
  2. Right ventricular outflow and inflow diameter related to BSA(RVOT/BSA resp.RVIT/BSA), Left ventricular outflow velocity time integral (LVOT VTI), tricuspid annular plane systolic excursion (TAPSE), systolic velocity at AV-plane in lateral LV (SwLV), septum (Sw sept) and RV wall (Sw RV).