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PubMed This is a summary of 19 peer-reviewed journal articles Updated
Pediatric Cardiology · Transposition of the Great Arteries

Life After the Arterial Switch Operation

At a Glance

Most children who undergo the Arterial Switch Operation for D-TGA go on to live full, active lives. They require lifelong cardiac monitoring to watch for potential issues like pulmonary artery stenosis, and they may benefit from early neurodevelopmental screening to support learning and behavior.

The Arterial Switch Operation (ASO) has transformed D-TGA from a life-threatening condition into one with an excellent long-term outlook [1]. Most children who undergo this surgery in infancy grow up to live full, active, and productive lives [2][3]. While they will always have a “special” heart, the goal of modern treatment is to ensure your child isn’t defined by their diagnosis [4].

Lifelong Heart Health

Because the ASO involves moving major arteries and re-planting tiny coronary vessels, your child will need lifelong monitoring by a cardiologist [5][4]. This ensures that any “growing pains” in the heart are caught early.

The most common issues doctors look for over the years include:

  • Pulmonary Artery Stenosis: The artery leading to the lungs can sometimes narrow as the child grows [6]. This is the most common reason for a “tune-up” procedure, such as using a balloon to widen the vessel in a catheterization lab [7][8].
  • Neoaortic Root Dilation: The base of the new aorta (the “root”) can sometimes stretch or widen over time [9][10].
  • Valve Leakage: If the root stretches, the neoaortic valve may not close perfectly, leading to minor leaking (regurgitation) [11][12].
  • Coronary Artery Health: Because the coronary arteries were moved during surgery, doctors use advanced imaging like Cardiac MRI or CT scans in older children and adults to ensure they remain open and healthy [13][14].

As your child grows, they will eventually transition from a pediatric cardiologist to an Adult Congenital Heart Disease (ACHD) specialist [4][8].

Neurodevelopment and Growth

While the surgery focuses on the heart, we now know that the “brain-heart connection” is equally important. Children who have major heart surgery as newborns have a slightly higher chance of experiencing learning or behavioral differences as they reach school age [15][16].

Commonly observed differences may include:

  • Executive Function Challenges: Difficulties with organization, planning, or focus [15].
  • ADHD or Anxiety: Higher rates of attention-deficit/hyperactivity disorder and anxiety have been noted in some survivors [15][16].
  • Learning Variations: Some children may need extra support in subjects like math or reading [16].

Early intervention is the key. Many specialized heart centers offer neurodevelopmental screening programs starting in infancy. These programs are designed to catch small delays early, providing the support or school accommodations your child needs to reach their full potential [17][18].

Living an Active Life

The overarching goal of the ASO is to provide a heart that can handle the demands of a normal life [4]. Most children are encouraged to be physically active, attend regular schools, and pursue any career they choose [3]. While they will need to keep their heart health in mind—attending regular checkups and maintaining a heart-healthy lifestyle—the focus remains on growth, exploration, and thriving [19].

Common questions in this guide

What kind of long-term monitoring is needed after an Arterial Switch Operation?
Your child will need lifelong monitoring by a cardiologist, including regular imaging like echocardiograms and eventually cardiac MRIs or CT scans. As they reach adulthood, their care will transition to an Adult Congenital Heart Disease (ACHD) specialist.
Can a child play sports after an Arterial Switch Operation?
Most children who undergo an ASO are encouraged to be physically active and live normal lives. Always ask your pediatric cardiologist about specific physical activity restrictions or whether your child is cleared to participate in competitive sports.
What are the most common heart issues to watch for after an ASO?
The most common long-term complications include narrowing of the pulmonary artery, stretching of the neoaortic root, and minor valve leakage. Doctors also closely monitor the coronary arteries that were moved during the original surgery.
Does the Arterial Switch Operation affect a child's brain development?
Children who have major heart surgery as newborns have a slightly higher risk of experiencing learning or behavioral differences. This can include ADHD, anxiety, or challenges with executive function, which makes early neurodevelopmental screening very important.

Questions for Your Doctor

5 questions

  • •What is the specific long-term monitoring schedule for my baby? How often will they need an echocardiogram or a Cardiac MRI?
  • •Are there any physical activity restrictions, or can my child participate in competitive sports?
  • •What specific signs of neoaortic root dilation or valve leakage should we be aware of in the future?
  • •Does this hospital offer a neurodevelopmental follow-up program to screen for learning or behavioral differences as my child grows?
  • •At what point will my child need to transition to an Adult Congenital Heart Disease (ACHD) specialist?

Questions for You

3 questions

  • •How am I feeling about the balance between keeping my child safe and allowing them to live an active, 'normal' life?
  • •What is my plan for keeping copies of my child's surgical and operative reports for their future medical care?
  • •Do I have a pediatrician who is comfortable and familiar with working alongside a pediatric cardiology team?

References

References (19)
  1. 1

    Pathogenesis and Surgical Treatment of Dextro-Transposition of the Great Arteries (D-TGA): Part II.

    Zubrzycki M, Schramm R, Costard-Jäckle A, et al.

    Journal of clinical medicine 2024; (13(16)) doi:10.3390/jcm13164823.

    PMID: 39200964
  2. 2

    Dextro-Transposition of the Great Arteries: Long-term Sequelae of Atrial and Arterial Switch.

    Haeffele C, Lui GK

    Cardiology clinics 2015; (33(4)):543-58, viii.

    PMID: 26471819
  3. 3

    Pregnancy Outcomes in Women After Arterial Switch Operation for Transposition of the Great Arteries: Results From ROPAC (Registry of Pregnancy and Cardiac Disease) of the European Society of Cardiology EURObservational Research Programme.

    Tutarel O, Ramlakhan KP, Baris L, et al.

    Journal of the American Heart Association 2021; (10(1)):e018176 doi:10.1161/JAHA.120.018176.

    PMID: 33350866
  4. 4

    Long-term Outcomes of the Arterial Switch Operation for d-Transposition of the Great Arteries.

    Moe TG, Bardo DME

    Progress in cardiovascular diseases 2018; (61(3-4)):360-364 doi:10.1016/j.pcad.2018.08.007.

    PMID: 30227186
  5. 5

    Long-term Management of the Arterial Switch Patient.

    Kirzner J, Pirmohamed A, Ginns J, Singh HS

    Current cardiology reports 2018; (20(8)):68 doi:10.1007/s11886-018-1012-9.

    PMID: 29946937
  6. 6

    30 years' experience with the arterial switch operation: risk of pulmonary stenosis and its impact on post-operative prognosis.

    Sobczak-Budlewska K, Łubisz M, Moll M, et al.

    Cardiology in the young 2023; (33(9)):1550-1555 doi:10.1017/S1047951122002670.

    PMID: 36040409
  7. 7

    Interventions after Arterial Switch: A Single Low Case-Volume Center Experience.

    Jonas K, Jakutis V, Sudikienė R, et al.

    Medicina (Kaunas, Lithuania) 2021; (57(5)) doi:10.3390/medicina57050401.

    PMID: 33919045
  8. 8

    Clinical Course of TGA After Arterial Switch Operation in the Current Era.

    Engele LJ, van der Palen RLF, Joosen RS, et al.

    JACC. Advances 2024; (3(2)):100772 doi:10.1016/j.jacadv.2023.100772.

    PMID: 38939383
  9. 9

    Altered Ascending Aorta Hemodynamics in Patients After Arterial Switch Operation for Transposition of the Great Arteries.

    van der Palen RLF, Deurvorst QS, Kroft LJM, et al.

    Journal of magnetic resonance imaging : JMRI 2020; (51(4)):1105-1116 doi:10.1002/jmri.26934.

    PMID: 31591799
  10. 10

    Native Bicuspid Pulmonary Valve in D-Loop Transposition of the Great Arteries: Outcomes of the Neo-Aortic Valve Function and Root Dilation After Arterial Switch Operation.

    Irwin M, Binney G, Gauvreau K, et al.

    Journal of the American Heart Association 2021; (10(18)):e021599 doi:10.1161/JAHA.121.021599.

    PMID: 34482704
  11. 11

    Cardiovascular Magnetic Resonance Findings Late After the Arterial Switch Operation.

    Shepard CW, Germanakis I, White MT, et al.

    Circulation. Cardiovascular imaging 2016; (9(9)).

    PMID: 27601366
  12. 12

    Valve-sparing reimplantation for neoaortic root dilatation and regurgitation with an unbalanced cusp after the arterial switch operation.

    Yoneyama F, Okamura T, Harada Y, Okita Y

    Journal of cardiac surgery 2018; (33(2)):122-125 doi:10.1111/jocs.13543.

    PMID: 29466833
  13. 13

    Can we predict potentially dangerous coronary patterns in patients with transposition of the great arteries after an arterial switch operation?

    Michalak KW, Sobczak-Budlewska K, Moll JJ, et al.

    Cardiology in the young 2019; (29(11)):1350-1355 doi:10.1017/S104795111900204X.

    PMID: 31507258
  14. 14

    Coronary Artery Bypass Grafting in an Infant after an Arterial Switch Operation.

    Choi W, Pyo W, Choi ES, Chung CH

    Journal of chest surgery 2021; (54(2)):146-149 doi:10.5090/jcs.20.086.

    PMID: 33234764
  15. 15

    Neurocognitive and Psychological Outcomes in Adults With Dextro-Transposition of the Great Arteries Corrected by the Arterial Switch Operation.

    Kasmi L, Calderon J, Montreuil M, et al.

    The Annals of thoracic surgery 2018; (105(3)):830-836 doi:10.1016/j.athoracsur.2017.06.055.

    PMID: 29033017
  16. 16

    Cognitive outcomes and health-related quality of life in adults two decades after the arterial switch operation for transposition of the great arteries.

    Kalfa D, Kasmi L, Geronikola N, et al.

    The Journal of thoracic and cardiovascular surgery 2017; (154(3)):1028-1035 doi:10.1016/j.jtcvs.2017.03.119.

    PMID: 28476420
  17. 17

    Neurodevelopment outcomes in the first 5 years of the life of children with transposition of the great arteries surgically corrected in the neonatal period: systematic review and meta-analysis.

    Soares C, Vieira RJ, Costa S, et al.

    Cardiology in the young 2023; (33(12)):2471-2480 doi:10.1017/S104795112300375X.

    PMID: 37965690
  18. 18

    Dextro-Transposition of Great Arteries and Neurodevelopmental Outcomes: A Review of the Literature.

    Kordopati-Zilou K, Sergentanis T, Pervanidou P, et al.

    Children (Basel, Switzerland) 2022; (9(4)) doi:10.3390/children9040502.

    PMID: 35455546
  19. 19

    Long-Term Outcomes After Arterial Switch Operation: Risk Factors and the Impact of Anatomical Complexity in a Single-Centre Cohort.

    Orioli V, Careddu L, Mangerini VF, et al.

    Pediatric cardiology 2025; doi:10.1007/s00246-025-04095-x.

    PMID: 41263973

This page provides educational information about life after the Arterial Switch Operation for D-TGA. It does not replace professional medical advice from your child's pediatric cardiology team.

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