[Estimation of I-123 metaiodobenzylguanidine (MIBG) myocardial washout]. 1990

T Saito, and N Watanabe, and T Saitoh, and T Asakura, and M Kanke, and K Owada, and K Hoshi, and K Kimura, and Y Maruyama
First Department of Internal Medicine, Fukushima Medical College, Japan.

A crosstalk from I-123 to Tl-201 (Tl) window was 35 +/- 30% (mean +/- SD) and 30 +/- 10% in a myocardial phantom and the images of 6 patients respectively. However, the crosstalk from Tl to I-123 was approximately 1% in each. I-123 MIBG (MIBG) and Tl myocardial SPECT images were recorded in 3 normal volunteers (N), 10 patients with myocardial infarction (MI), and 4 with dilated cardiomyopathy (DCM). The MIBG and Tl imagings were performed on the other day to avoid the crosstalk. Myocardial washout rates (WR) of Tl and MIBG were derived from 15 min and 4 hour images. WR of Tl was approximately 36% in each group. On the other hand, WR of MIBG in DCM (52 +/- 7%) and MI (41 +/- 14%) groups were statistically higher than in N (24 +/- 7%) group. Thus WR of MIBG would be useful to detect abnormalities in adrenergic nervous system.

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
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008961 Models, Structural A representation, generally small in scale, to show the structure, construction, or appearance of something. (From Random House Unabridged Dictionary, 2d ed) Model, Structural,Structural Model,Structural Models
D009203 Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). Cardiovascular Stroke,Heart Attack,Myocardial Infarct,Cardiovascular Strokes,Heart Attacks,Infarct, Myocardial,Infarction, Myocardial,Infarctions, Myocardial,Infarcts, Myocardial,Myocardial Infarctions,Myocardial Infarcts,Stroke, Cardiovascular,Strokes, Cardiovascular
D002311 Cardiomyopathy, Dilated A form of CARDIAC MUSCLE disease that is characterized by ventricular dilation, VENTRICULAR DYSFUNCTION, and HEART FAILURE. Risk factors include SMOKING; ALCOHOL DRINKING; HYPERTENSION; INFECTION; PREGNANCY; and mutations in the LMNA gene encoding LAMIN TYPE A, a NUCLEAR LAMINA protein. Cardiomyopathy, Congestive,Congestive Cardiomyopathy,Dilated Cardiomyopathy,Cardiomyopathy, Dilated, 1a,Cardiomyopathy, Dilated, Autosomal Recessive,Cardiomyopathy, Dilated, CMD1A,Cardiomyopathy, Dilated, LMNA,Cardiomyopathy, Dilated, With Conduction Defect 1,Cardiomyopathy, Dilated, with Conduction Deffect1,Cardiomyopathy, Familial Idiopathic,Cardiomyopathy, Idiopathic Dilated,Cardiomyopathies, Congestive,Cardiomyopathies, Dilated,Cardiomyopathies, Familial Idiopathic,Cardiomyopathies, Idiopathic Dilated,Congestive Cardiomyopathies,Dilated Cardiomyopathies,Dilated Cardiomyopathies, Idiopathic,Dilated Cardiomyopathy, Idiopathic,Familial Idiopathic Cardiomyopathies,Familial Idiopathic Cardiomyopathy,Idiopathic Cardiomyopathies, Familial,Idiopathic Cardiomyopathy, Familial,Idiopathic Dilated Cardiomyopathies,Idiopathic Dilated Cardiomyopathy
D005069 Evaluation Studies as Topic Works about studies that determine the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. Critique,Evaluation Indexes,Evaluation Methodology,Evaluation Report,Evaluation Research,Methodology, Evaluation,Pre-Post Tests,Qualitative Evaluation,Quantitative Evaluation,Theoretical Effectiveness,Use-Effectiveness,Critiques,Effectiveness, Theoretical,Evaluation Methodologies,Evaluation Reports,Evaluation, Qualitative,Evaluation, Quantitative,Evaluations, Qualitative,Evaluations, Quantitative,Indexes, Evaluation,Methodologies, Evaluation,Pre Post Tests,Pre-Post Test,Qualitative Evaluations,Quantitative Evaluations,Report, Evaluation,Reports, Evaluation,Research, Evaluation,Test, Pre-Post,Tests, Pre-Post,Use Effectiveness
D005260 Female Females
D006321 Heart The hollow, muscular organ that maintains the circulation of the blood. Hearts

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