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Thirty-year electrocardiographic follow-up after repair of tetralogy of Fallot or atrial septal defect
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health. (Perinatal, neonatal och barnkardiologisk forskning/Sedin)
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2007 (English)In: Journal of Electrocardiology, ISSN 0022-0736, E-ISSN 1532-8430, Vol. 40, no 2, 214-217 p.Article in journal (Refereed) Published
Abstract [en]

Background and Purpose

Knowledge about long-term electrocardiographic changes after surgery for congenital heart disease is limited.


Eleven patients with corrected tetralogy of Fallot (ToF) and 14 with corrected atrial septal defect (ASD) were followed up at 20 and 30 years after surgery.


Approximately 50% of the ASD group developed prolonged QRS duration. In the ToF group, 7 increased QRS duration by more than 20 milliseconds. Nearly all had right bundle-branch block, and 30% of them also had bifascicular block. Two in the ASD group developed first grade atrioventricular block. Five ASD and 6 ToF had prolonged corrected QT duration in the late postoperative phase.


Even after primarily good results of surgery in congenital heart disease, unknown late effects may occur not only in complex lesions such as ToF but also after ASD correction. Regular medical checkups are important after surgical correction in congenital heart disease.

Place, publisher, year, edition, pages
2007. Vol. 40, no 2, 214-217 p.
Keyword [en]
Tetralogy of Fallot, Atrial septal defect, Follow-up, Postoperative
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-10416DOI: 10.1016/j.jelectrocard.2006.08.001ISI: 000245166900021OAI: oai:DiVA.org:uu-10416DiVA: diva2:38184
Available from: 2007-03-22 Created: 2007-03-22 Last updated: 2011-02-11Bibliographically approved

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Jonzon, Anders
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