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[Coronary revascularization evaluated by thallium-201 myocardial scintigraphy: a follow-up study]. 1991

H Naruse, and M Itano, and H Kawamoto, and J Yamamoto, and N Fukutake, and M Morita, and M Ohyanagi, and K Fujitani, and T Iwasaki, and M Fukuchi
First Department of Internal Medicine, Hyogo Medical College, Nishinomiya.

To elucidate changes with time in T1-201 scintigraphy after coronary revascularization, T1-201 stress myocardial scintigraphy was performed at least twice during the follow-up period (from one to 12 months) in 58 patients with ischemic heart disease (12 with angina, and 46 with myocardial infarction) who had undergone PTCA or A-C bypass surgery. The perfusion defects were classified in 4 grades, and scintigraphic changes over grade 1 were judged significant. We evaluated; 1) time of scintigraphic improvement after revascularization, 2) presence of reverse redistribution, and 3) assessment of coronary restenosis. Scintigraphic improvement was observed in 21 of 58 patients during a 3- to 12- month follow-up period, 7 of whom improved within one month. Reverse redistribution after coronary revascularization was observed in 8 of the 58 patients (14%), including 6 who showed scintigraphic improvement in 3 to 12 months (2 were not examined). Among 29 patients whose coronary angiogram and Tl-201 scintigram were compared, 11 had angiographic evidence of restenosis and 4 of them showed deterioration of scintigraphic findings (sensitivity 57%, specificity 68%, and accuracy 66%). In conclusion, scintigraphic improvement was observed over various periods (immediately after and up to 12 months) after coronary revascularization. Reverse redistribution appears to be a predictor of good prognosis. Coronary restenosis cannot always be reliably assessed by Tl-201 scintigraphy.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
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
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
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
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006321 Heart The hollow, muscular organ that maintains the circulation of the blood. Hearts
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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