Cine magnetic resonance imaging after surgical repair in patients with transposition of the great arteries

K. J. Chung, I. A. Simpson, R. F. Glass, David Sahn, J. R. Hesselink

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Cine magnetic resonance imaging (MRI) was used for postoperative evaluation of eight patients who underwent intra-atrial baffle procedure for surgical repair of D-transposition of the great arteries (D-TGA). Their ages ranged from 9 months to 8 years. Younger patients were sedated with chloral hydrate (80 to 100 mg/kg) orally. MRI was performed with use of a General Electric Signa system operating at a field strength of 1.5 tesla. A body or head coil was used depending on the size of the patient. Images were obtained by use of a technique of gradient-recalled acquisition in steady state (GRASS) that utilizes a low flip angle and shorter repetition and echo times. Five patients had widely patent venae cavae and three had superior vena caval obstruction at the junction of the right atrium with a dilated azygos vein. There was no evidence of pulmonary venous obstruction in any of the patients. Right ventricular function was assessed in four patients and their ejection fractions ranged from 58% to 81%. Tricuspid and mitral regurgitation were observed in three and two patients, respectively. Both right and left ventricular outflow tracts were well visualized and showed no evidence of obstruction. Cine MRI is an entirely noninvasive, nonionizing, and safe procedure in young patients and appears to be a valuable alternative method for evaluating patients after surgical repair of D-TGA. With advancing technologies and an accumulation of experience with cine MRI, it appears that this new technique will play an important role in patient care for children with congenital heart disease.

Original languageEnglish (US)
Pages (from-to)104-109
Number of pages6
JournalCirculation
Volume77
Issue number1
StatePublished - 1988
Externally publishedYes

Fingerprint

Cine Magnetic Resonance Imaging
Transposition of Great Vessels
Venae Cavae
Azygos Vein
Chloral Hydrate
Right Ventricular Function
Tricuspid Valve Insufficiency
Mitral Valve Insufficiency
Heart Atria
Heart Diseases
Patient Care
Head
Magnetic Resonance Imaging
Technology

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Chung, K. J., Simpson, I. A., Glass, R. F., Sahn, D., & Hesselink, J. R. (1988). Cine magnetic resonance imaging after surgical repair in patients with transposition of the great arteries. Circulation, 77(1), 104-109.

Cine magnetic resonance imaging after surgical repair in patients with transposition of the great arteries. / Chung, K. J.; Simpson, I. A.; Glass, R. F.; Sahn, David; Hesselink, J. R.

In: Circulation, Vol. 77, No. 1, 1988, p. 104-109.

Research output: Contribution to journalArticle

Chung, KJ, Simpson, IA, Glass, RF, Sahn, D & Hesselink, JR 1988, 'Cine magnetic resonance imaging after surgical repair in patients with transposition of the great arteries', Circulation, vol. 77, no. 1, pp. 104-109.
Chung, K. J. ; Simpson, I. A. ; Glass, R. F. ; Sahn, David ; Hesselink, J. R. / Cine magnetic resonance imaging after surgical repair in patients with transposition of the great arteries. In: Circulation. 1988 ; Vol. 77, No. 1. pp. 104-109.
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