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Impaired myocardial fatty acid metabolism detected by 123I-BMIPP in patients with unstable angina pectoris: comparison with perfusion imaging by 99mTc-sestamibi. 1995

Y Takeishi, and H Sukekawa, and H Saito, and S Nishimura, and T Shibu, and Y Sasaki, and H Tomoike
Division of Cardiology, Ishinomaki Red Cross Hospital, Japan.

The present study was undertaken to determine the potential diagnostic value of 123I-BMIPP scintigraphy for the detection of altered myocardial fatty acid metabolism in patients with unstable angina. Both myocardial metabolic imaging with 123I-BMIPP and perfusion imaging with 99mTc-sestamibi were performed at rest in 28 patients with unstable angina in the pain-free state. The regional uptakes of 123I-BMIPP or 99mTc-sestamibi were scored semiquantitatively (0 = normal, 4 = no activity) and compared with the coronary arteriographic findings. Decreased uptakes of 123I-BMIPP were observed in 18 patients, and 11 patients had abnormal 99mTc-sestamibi images. Defect scores of 123I-BMIPP were larger than those of 99mTc-sestamibi (7.8 +/- 2.1 vs. 5.2 +/- 1.9, p < 0.01). The sensitivity for the detection of patients with unstable angina was higher in 123I-BMIPP than in 99mTc-sestamibi (77% vs. 45%, p < 0.01). The site of the decreased 123I-BMIPP uptake corresponded to the most stenotic coronary artery lesion in all patients. Fatty acid metabolic imaging with 123I-BMIPP was more sensitive for detecting myocardial ischemia than perfusion imaging with 99mTc-sestamibi. 123I-BMIPP may be a clue to define the culprit lesion in unstable angina and be helpful to decide the best treatment and guide coronary angioplasty.

UI MeSH Term Description Entries
D007457 Iodine Radioisotopes Unstable isotopes of iodine that decay or disintegrate emitting radiation. I atoms with atomic weights 117-139, except I 127, are radioactive iodine isotopes. Radioisotopes, Iodine
D007462 Iodobenzenes Any derivative of BENZENE that contains IODINE.
D008297 Male Males
D009206 Myocardium The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow. Muscle, Cardiac,Muscle, Heart,Cardiac Muscle,Myocardia,Cardiac Muscles,Heart Muscle,Heart Muscles,Muscles, Cardiac,Muscles, Heart
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide
D003652 Decanoic Acids 10-carbon saturated monocarboxylic acids. Capric Acids,Acids, Capric,Acids, Decanoic
D004452 Echocardiography Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues. The standard approach is transthoracic. Echocardiography, Contrast,Echocardiography, Cross-Sectional,Echocardiography, M-Mode,Echocardiography, Transthoracic,Echocardiography, Two-Dimensional,Transthoracic Echocardiography,2-D Echocardiography,2D Echocardiography,Contrast Echocardiography,Cross-Sectional Echocardiography,Echocardiography, 2-D,Echocardiography, 2D,M-Mode Echocardiography,Two-Dimensional Echocardiography,2 D Echocardiography,Cross Sectional Echocardiography,Echocardiography, 2 D,Echocardiography, Cross Sectional,Echocardiography, M Mode,Echocardiography, Two Dimensional,M Mode Echocardiography,Two Dimensional Echocardiography
D005227 Fatty Acids Organic, monobasic acids derived from hydrocarbons by the equivalent of oxidation of a methyl group to an alcohol, aldehyde, and then acid. Fatty acids are saturated and unsaturated (FATTY ACIDS, UNSATURATED). (Grant & Hackh's Chemical Dictionary, 5th ed) Aliphatic Acid,Esterified Fatty Acid,Fatty Acid,Fatty Acids, Esterified,Fatty Acids, Saturated,Saturated Fatty Acid,Aliphatic Acids,Acid, Aliphatic,Acid, Esterified Fatty,Acid, Saturated Fatty,Esterified Fatty Acids,Fatty Acid, Esterified,Fatty Acid, Saturated,Saturated Fatty Acids
D005260 Female Females
D006321 Heart The hollow, muscular organ that maintains the circulation of the blood. Hearts

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