Document Detail

Assessment of systolic thickening with thallium-201 ECG-gated single-photon emission computed tomography: a parameter for local left ventricular function.
MedLine Citation:
PMID:  1869967     Owner:  NLM     Status:  MEDLINE    
We measured left ventricular (LV) systolic thickening expressed as a systolic thickening ratio in 28 patients, using 201Tl ECG-gated SPECT. Five normals, 15 patients with prior myocardial infarction, 5 with hypertrophic cardiomyopathy, and 3 with dilated cardiomyopathy were studied. The systolic thickening ratio was calculated as [(end-systolic--end-diastolic pixel counts) divided by end-diastolic pixel counts], using the circumferential profile technique of both end-diastolic and end-systolic short axial images. Functional images of the systolic thickening ratio were also displayed with the "bull's-eye" method. The mean systolic thickening ratio thus calculated were as follows: normals, 0.53 +/- 0.05 (mean +/- 1 s.d.); non-transmural prior myocardial infarction, 0.33 +/- 0.09; transmural prior myocardial infarction, 0.14 +/- 0.05; hypertrophic cardiomyopathy in relatively nonhypertrophied areas, 0.56 +/- 0.11; hypertrophic cardiomyopathy in hypertrophied areas, 0.23 +/- 0.07; and dilated cardiomyopathy, 0.19 +/- 0.02. The systolic thickening ratio analysis by gated thallium SPECT offers a unique approach for assessing LV function.
T Mochizuki; K Murase; Y Fujiwara; S Tanada; K Hamamoto; W N Tauxe
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of nuclear medicine : official publication, Society of Nuclear Medicine     Volume:  32     ISSN:  0161-5505     ISO Abbreviation:  J. Nucl. Med.     Publication Date:  1991 Aug 
Date Detail:
Created Date:  1991-09-17     Completed Date:  1991-09-17     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0217410     Medline TA:  J Nucl Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1496-500     Citation Subset:  IM    
Department of Radiology, Ehime University School of Medicine, Japan.
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MeSH Terms
Cardiomyopathy, Dilated / radionuclide imaging
Cardiomyopathy, Hypertrophic / radionuclide imaging
Heart / radionuclide imaging*
Image Processing, Computer-Assisted*
Middle Aged
Models, Structural
Myocardial Contraction / physiology
Myocardial Infarction / radionuclide imaging
Thallium Radioisotopes / diagnostic use
Tomography, Emission-Computed, Single-Photon / methods*
Ventricular Function, Left*
Reg. No./Substance:
0/Thallium Radioisotopes

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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