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Table 3 Post-ASO global cardiac CT-derived data for pulmonaries, coronaries and aorta

From: Pulmonary, aorta, and coronary arteries post-arterial switch in transposition of great arteries: intermediate-term surveillance utilizing conventional echocardiography and cardiac multislice computed tomography

Parameter

Diameter/ area/angle*

Z score*

Pulmonary

Main PA Diameter (mm)

9.95 (9.05–13.67)

-1.16 (-2.15–0.17)

Narrowest RPA Diameter (mm)

5.14 ± 1.99

-1.84 ± 1.56

Narrowest LPA Diameter (mm)

5.89 ± 2.36

-1.42 ± 1.8

RPA area (mm2/m2)

77.92 (38.56–109.6)

 

LPA area (mm2/m2)

62.36 (38.73–96.35)

 

Main PA axial Angle (degree)

0 (0-10.35)

 

RPA bending Angle (degree)

101.27 ± 24.99

 

LPA bending Angle (degree)

95.82 ± 21.99

 

Aorta

Aortic annulus Diameter (mm)

14.52 ± 3.13

4.5 (2.2–6.3)

SOV Diameter (mm)

19.84 ± 3.11

4.07(2.91–6.09)

SOV area (mm2/m2)

669.16 ± 151.51

 

STJ Diameter (mm)

15.17 ± 3.88

3.18(0.72–5.45)

STJ area(mm2/m2)

516.26 ± 186.11

 

Ascending aorta Diameter (mm)

12.14 ± 2.16

0.34(-0.89–0.63)

Ascending aorta area (mm2/m2)

297.07 ± 69.41

 

Isthmus Diameter (mm)

7.82 ± 1.99

-0.65 (-1.58–0.4)

Coronaries

RCA diameter (mm)

1.62 ± 0.32

-0.19 (-0.98-0.63)

LCA diameter (mm)

1.9 ± 0.34

-0.66(-0.9 - -1.2)

LAD diameter (mm)

1.51 ± 0.2

0.48 (0.12–0.73)

LCX diameter (mm)

1.33 ± 0.23

 

RCA-pulmonary bifurcation distance (mm)

6.6 (4.8-9)

 

LCA-pulmonary bifurcation distance (mm)

4.8 (4.1–6.2)

 

RCA angle (degree)

39.09 ± 8.63

 

LCA angle (degree)

47.89 ± 17.79

 
  1. LAD: left anterior descending artery, LCX: left circumflex artery, LCA: main left coronary artery, LPA: left pulmonary artery, RCA: main right coronary artery, RPA: right pulmonary artery, SOV: Sinus of Valsalva, STJ: Sinotubular junction
  2. * Data are presented as mean ± SD, or Median (interquartile range)