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  • Myocardial scars determined by delayed-enhancement magnetic resonance imaging and positron emission tomography are not common in right ventricles with systemic function in long-term follow up

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Congenital heart disease
Myocardial scars determined by delayed-enhancement magnetic resonance imaging and positron emission tomography are not common in right ventricles with systemic function in long-term follow up
  1. S Fratz1,
  2. M Hauser1,
  3. F M Bengel2,
  4. A Hager1,
  5. H Kaemmerer1,
  6. M Schwaiger2,
  7. J Hess1,
  8. H C Stern1
  1. 1Department of Pediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München, Klinik an der Technischen Universität München, Munich, Germany
  2. 2Department of Nuclear Medicine, Klinikum rechts der Isar, Klinik der Technischen Universität München, Munich, Germany
  1. Correspondence to:
    Dr Sohrab Fratz
    Department of Pediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München, Klinik an der Technischen Universität München, Lazarettstraße 36, 80636 Munich, Germany; fratz{at}dhm.mhn.de

Abstract

Objective: To test the hypothesis that myocardial scars are common in patients with systemic right ventricles.

Methods: 27 consecutive patients with systemic right ventricle were studied with delayed-enhancement magnetic resonance imaging and positron emission tomography. Of the 27 patients, 18 had had an atrial switch operation a mean of 21.8 (SD 4.5) years previously and were 23.4 (SD 5.3) years old. Nine patients without previous heart surgery had congenitally corrected transposition of the great arteries and were 35.3 (SD 15.6) years old.

Results: Only one patient had a subendocardial scar identified by delayed-enhancement magnetic resonance imaging. Positron emission tomography identified no myocardial scars.

Conclusions: This study shows that the hypothesis that myocardial scars are common in patients with systemic right ventricles is not correct.

  • ccTGA, congenitally corrected transposition of the great arteries
  • DE-MRI, delayed-enhancement magnetic resonance imaging
  • FFE, fast field echo
  • Gd-DTPA, gadolinium-diethylenetriamine pentaacetic acid
  • MRI, magnetic resonance imaging
  • PET, positron emission tomography
  • RV, right ventricle
  • SPECT, single photon emission computed tomography

https://doi.org/10.1136/hrt.2005.086579

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    Footnotes

    • Published Online First 14 June 2006

    • Competing interests: None declared.