Late gadolinium enhancement cardiovascular magnetic resonance of the systemic right ventricle in adults with previous atrial redirection surgery for transposition of the great arteries

Sonya V. Babu-Narayan, Omer Goktekin, James C. Moon, Craig Broberg, George Pantely, Dudley J. Pennell, Michael A. Gatzoulis, Philip J. Kilner

Research output: Contribution to journalArticle

190 Scopus citations

Abstract

Background-Patients treated for transposition of the great arteries by atrial redirection surgery have a right ventricle (RV) that sustains systemic pressures long term. Late RV dysfunction occurs in these patients; the reasons for this are unclear, but myocardial fibrosis may be important. Myocardial fibrosis can be visualized by late gadolinium enhancement (LGE) cardiovascular magnetic resonance (CMR). We hypothesized that LGE would be present in the systemic RV and relate to adverse clinical features. Methods and Results-We performed CMR on 36 consecutive adult patients (mean age, 27 years) after atrial redirection surgery for transposition of the great arteries. Late gadolinium RV enhancement was seen in 22 patients (61%) with various patterns. Patients with RV LGE were older (30 versus 22 years; P2; P=0.03), decreased RV ejection fraction (57% versus 62%; P=0.02), increased QRS duration (108 versus 97 ms; P=0.01), and increased QT dispersion (93 versus 71 ms; P=0.002). The extent of LGE correlated with age (r=0.59, P

Original languageEnglish (US)
Pages (from-to)2091-2098
Number of pages8
JournalCirculation
Volume111
Issue number16
DOIs
Publication statusPublished - Apr 26 2005
Externally publishedYes

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Keywords

  • Fibrosis
  • Heart defects, congenital
  • Heart ventricles
  • Magnetic resonance imaging
  • Transposition of great vessels

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

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