New Method of Estimating Myocardial Infarct Size Using Technetium-99m Pyrophosphate and Thallium-201 Dual Single Photon Emission Computed Tomography Imaging

A new method was devised to estimate infarct size using dual single photon emission computed tomography with thallium-201 and technetium-99m pyrophosphate. Designating the ratio of infarct area to whole myocardial volume as %MI, the correlation of %MI with other markers of left ventricular dysfuncti...

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Veröffentlicht in:	JAPANESE CIRCULATION JOURNAL 1999, Vol.63(3), pp.155-159
Hauptverfasser:	Maruyama, Yoshiaki, Kato, Toru, Ito, Hiroyuki, Tanaka, Shugo, Yoshimoto, Nobuo, Kishi, Yukio, Numano, Fujio
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Aged Aged, 80 and over Biological and medical sciences Cardiovascular system Creatine Kinase - blood Dual SPECT Female Humans Infarct size Investigative techniques, diagnostic techniques (general aspects) Left ventricular dysfunction Male Medical sciences MI Middle Aged Myocardial Infarction - diagnostic imaging Radionuclide investigations Stroke Volume Technetium Tc 99m Pyrophosphate Thallium Radioisotopes Tomography, Emission-Computed, Single-Photon - methods Ventricular Dysfunction, Left - diagnostic imaging
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Zusammenfassung:	A new method was devised to estimate infarct size using dual single photon emission computed tomography with thallium-201 and technetium-99m pyrophosphate. Designating the ratio of infarct area to whole myocardial volume as %MI, the correlation of %MI with other markers of left ventricular dysfunction was examined: peak creatine kinase, ejection fraction and left ventricular asynergy. As %MI correlated well with these markers, it is considered that %MI will be useful for estimating infarct size and predicting the severity of left ventricular dysfunction in the early stage of acute myocardial infarction. (Jpn Circ J 1999; 63: 155 -159)
ISSN:	0047-1828 1347-4839
DOI:	10.1253/jcj.63.155