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Table 2 Dyssynchrony indices

From: Ventricular dyssynchrony late after the Fontan operation is associated with decreased survival

 

All Fontan patients (N = 503)

Comparison LV (N = 42)

Fontan subgroups

p-value

LV (N = 157)

RV (N = 190)

Mixed (N = 156)

All Fontan vs. comparison LV

LV vs. comparison LV

LV vs. RV

RV vs. comparison

Mixed vs. comparison LV

SDTTP-CS, ms

51 (40, 71)

45 (37, 51)

43 (34, 57)

53 (42, 71)

63 (45, 84)

0.011*

0.735

< 0.001*

0.023*

< 0.001*

SDTTP-RS, ms

50 (38, 70)

44(36, 53)

42(34, 56)

52 (41, 70)

57 (45, 80)

0.039*

0.460

< 0.001*

0.014*

< 0.001*

SDTTP-RSR, ms

96 (75, 122)

75 (55, 95)

81 (67, 102)

102 ‘982, 131)

102 (78, 132)

< 0.001*

0.214

< 0.001*

< 0.001*

< 0.001*

MOWD-CS, ms

56 (38, 81)

42 (32, 49)

49 (34, 73)

57 (38, 81)

60 (41, 88)

0.001*

0.028*

0.041*

0.001*

< 0.001*

MOWD-RSR, ms

84 (54, 130)

61 (40, 80)

72 (46, 107)

91(56, 144)

85 (57, 123)

< 0.001*

0.035*

0.004*

< 0.001*

< 0.001*

BAD1-CS, ms

38 (22, 65)

33 (21, 67)

34 (22, 55)

44 (22, 66)

38 (22, 72)

0.932

0.610

0.137

0.816

0.625

BAD1-CSR, ms

60 (23, 139)

30 (0, 57)

48 (24, 133)

63 (20, 144)

64 (25, 140)

0.003*

0.014*

0.535

0.008*

0.535

BAD2 CS, ms

29 (13, 47)

32 (15, 48)

23 (13, 36)

30 (13, 49)

35 (16, 54)

0.362

0.024*

0.029*

0.523

0.029*

BAD2-CSR, ms

50 (16, 96)

20 (13, 48)

36 (15, 75)

60 (17, 104)

55 (16, 112)

0.003*

0.045*

0.019*

0.001*

0.019*

  1. Values are medians (interquartile range); SDTTP standard deviation time to peak, CS circumferential strain, RS, radial strain RSR radial strain rate, MOWD maximum opposing wall delay, BAD1 base to apex delay for one slice, BAD 2 base to apex delay for two slices
  2. *Indicates p-value < 0.05