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Table 1 Patient characteristics

From: Evaluation of a comprehensive cardiovascular magnetic resonance protocol in young adults late after the arterial switch operation for d-transposition of the great arteries

 

Early repair*n = 24

Late repair n = 3

Age at enrolment (years)

21 ± 3

24 ± 8

Male, n (%)

21 (88)

2 (66)

Age at surgery (days)

6 ± 5

397 ± 592

Era of ASO surgery

1986 - 1991

1979 - 1985

Cardiac anatomy

  

TGA with IVS

14

-

TGA with VSD

10

2

Taussig-Bing

-

1

Additional lesions

  

Atrial septal defect

2

1

Coarctation

2

1

Subvalvular aortic stenosis

-

1

Subvalvular pulmonary stenosis

-

1

Coronary pattern

  

1LCx2R (usual)

17

1

2RLCx (single ostium)

2

2

1L2RCx (CX from RCA)

4

 

1Cx2RL (LAD from RCA)

1

 

Bypass time, min

141 ± 99

203 ± 25

Cross clamp time, min

99 ± 22

55 ± 39

Additional repair

  

Takeuchi repair

1

-

RV-PA conduit

-

1

Subclavian flap repair of coarctation

1

1

End-to-end repair of coarctation

1

-

Indication for exam

  

Chest pain

5

2

Coronary surveillance

19

1

Prior ischemia testing as a child †

  

Yes

13

1

No

9

2

Unknown

2

-

Type of prior ischemia testing

 

Treadmill

1

Thallium

8

Technetium

7

Coronary angiography

3

  1. IVS = Interventricular septum; RV-PA = Right ventricular to pulmonary artery; TGA = Transpostion of the great arteries; VSD = Ventricular septal defect.
  2. *Early repair defined as occurring within the first 30 days of life.
  3. †Median number = 1 (range 1–3).
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Journal of Cardiovascular Magnetic Resonance

ISSN: 1532-429X

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