PMID: 11452185
Issn Print: 0363-9762
Publication Date: 2001/08/01
Tc-99m MIBI SPECT Correlated with Magnetic Resonance Imaging for Cardiac Evaluation of a Patient with Congenitally Corrected Transposition of the Great Arteries (L-TGA)
MATTHIAS SCHMIDT; PETER THEISSEN; DETLEF MOKA; EBERHARD VOTH; HEINZ-THEO SCHMITTER; HARALD SCHICHA
Excerpt
A 42-year-old woman with congenitally corrected transposition of the great arteries was referred for myocardial scintigraphy because of negative T waves in leads I, II, aVL, and V2-V6. Tc-99m MIBI SPECT after bicycle exercise and at rest was considered normal compared with transverse images obtained by magnetic resonance imaging. Comparison was important because SPECT images alone are not specific for this type of transposition. SPECT images alone are identical for congenitally corrected transposition of the great arteries and surgically corrected transposition of the great arteries (Senning procedure) and could not differentiate between these two conditions. Because of the normal MIBI-SPECT study, cardiac catheterization was considered unnecessary. No adverse cardiac events have occurred during 18 months of clinical follow-up. This rare case shows that the combination of MIBI-SPECT and magnetic resonance imaging can be used for patient management of a rare congenital cardiac anomaly such as congenitally corrected transposition of the great arteries (L-TGA).
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