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Myocardial viability assessed by positron emission tomography in infants and children after the arterial switch operation and suspected infarction

Carsten Rickers, MD^*, Karin Sasse, MD^*, Ralph Buchert, PhD, Heiko Stern, MD^*, J.örg van den Hoff, PhD, Martin Lübeck, MD and Jochen Weil, MD^*

^* Department of Pediatric Cardiology, University Hospital Eppendorf, Martinistarasse 52, 20246 Hamburg, Germany
Department of Nuclear Medicine, University Hospital Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
Department of Nuclear Medicine, Medical School Hanover, Konstantin-Gutschow-Strasse 8, 30625 Hanover, Germany

View larger version (39K): [in a new window]   Figure 1 Systolic (yellow) and diastolic (red) maximal indicated intensity was detected and defined as wall center points for wall-motion analysis (vla = vertical long axis; sa = short axis).

View larger version (134K): [in a new window]   Figure 2 Color-coded wall-motion analysis of the LV (Patient 1) was derived from gated PET (red = max. amplitude). The anteroseptal and inferoseptal view showed akinesia of the entire anteroseptal and apical region.

View larger version (121K): [in a new window]   Figure 3 The corresponding picture of glucose metabolism (Patient 1) shows normal-to-increased glucose metabolism in the akinetic anterosepal region (red = max. intensity). In the apical region the reduced intensity indicates a nontransmural infarction.