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Table 2 Ultrasonic screening and diagnosis of 140 cases with aortic arch abnormalities in the three-vessel and tracheal view

From: Study on the views and methods of ultrasonic screening and diagnosis for abnormal aortic arch in infants

Classification

Num-ber of cases

the three-vessel and tracheal view

U-shaped vascular ring

C-shaped vascular ring

O-shaped vascular ring

similar O-shaped vascular ring

asymmetric “V” sign

“0 l” sign

Right aortic arch with aberrant left subclavian artery

15

15 (6 + 9)

0

0

0

0

0

right aortic arch with mirror branch

6

6 (6)

0

0

0

0

0

Left aortic arch with aberrant right subclavian artery

2

0

1 (1 + 1)

0

0

0

0

double aortic arch with both open arche

20

0

0

20 (20)

0

0

0

Double aortic arch with left arch atresia

2

0

0

0

2 (2▲)

0

0

Aortic proximal atresia

1

0

0

0

0

1 (1)

0

Coarctation of aorta

67

0

0

0

0

66 (66)

1 (1)

Interruption of aortic arch

27

0

0

0

0

2 (2)

25 (25)

  1. accurate diagnosis ▲speculative diagnosis missed diagnosis incorrect diagnosis This view does not show a normal image of the aortic arch, but this view alone cannot make a accurate diagnosis
  2. 9 9 cases were only diagnosed right aortic arch, but left subclavian artery aberration was not found
  3. 6 6 cases were only diagnosed right aortic arch, but mirror branches was not found
  4. 1 1 case were missed diagnosis of aberrant right subclavian artery
  5. 2▲ speculative diagnosis of double aortic arch with left aortic arch atresia in 2 cases
  6. 1 dysplasia of aortic arch was found in 1 case, and the blood flow of ductus arteriosus shunted from pulmonary artery to aortic arch, but definite diagnosis of atresia of aortic arch could not be made
  7. 1 1 case of coarctation of aortic arch was incorrectly diagnosed as interruption of aortic arch
  8. 2 2 cases of interruption of aortic arch (isthmus atresia) were incorrectly diagnosed as coarctation of aorta