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Case report: unstable angina with flow-fatty acid metabolism mismatch and reverse flow-glucose metabolism mismatch
Sugako Kanayama1, Osamichi Satake, Ichiro Matsunari
1Department of Cardiology, Kanazawa Medical University, Kahoku-gun, Ishikawa, Japan. sugako-k@kanazawa-med.ac.jp
Abstract:
A 79-year-old man with unstable angina underwent an emergency coronary angiography, and percutaneous balloon angioplasty was performed for LCX. Left ventriculography showed hypokinesis in the posterior wall, inferior and apical wall immediately after the PCI therapy. The defects on 123I-BMIPP SPECT seen in the inferior, posterior and lateral wall were more extensive than those observed on 99mTc-MIBI SPECT, and a flow-fatty acid metabolism mismatch pattern was observed. The 18F-FDG PET showed reduced uptake in the lateral segment, although 13N-NH3 PET showed normal perfusion, and a reverse flow-glucose metabolism mismatch pattern was observed. Left ventriculography showed significant improve to normal contraction on the 3-month follow up, and there was not significantly reduced uptake in 99mTc-MIBI SPECT, 123I-BMIPP SPECT, 13N-NH3 PET or 18F-FDG PET.
