99mTc-Isonitrile ('MIBI'): Chances to improve myocardial scintigraphy or substitute for 201Tl?
Creators
- 1. Frankfurt Univ. (Germany, F.R.). Abt. fuer Kardiologie
- 2. Frankfurt Univ. (Germany, F.R.). Abt. fuer Nuklearmedizin
Description
99mTc-MIBI has used to examine 22 patients for a qualitative and quantitative comparison to 201Tl myocardial scintigraphy and 99mTc-Erythrocytes- radionuclide ventriculography (=RNV) in patients with previous anterior (AWMI) and posterior wall myocardial infarction (PWMI). 1) Planar gated amplitude scintigrams (GAMS, MIBI) and planar amplitudes (RNV, Ery) correlated in AWMI (r=0.87), to minor degree in PWMI (r=0.76) pointing to a superiority of GAMS in PWMI. 2) Correlation of global EF (99mTc-MIBI vs. 99mTc-Ery) was good (r=0.75). 3) Perfusion and function are derivable by 99mTc-MIBI in a one-step procedure ('radionuclide myocardial ventriculography = RMV'). Thus MIBI may be suited to replace 201Tl and 99mTc-erythrocytes. However extensive clinical studies have to be carried out - similar to those available now for 201Tl - before the recommendation to replace 201Tl by MIBI would be justified. (orig.)
Abstract (German)
22 Patienten mit durchgemachten Vorder- (VWI) und Hinterwandinfarkten (HWI) wurden untersucht mit 99mTc-MIBI im qualitativen und quantitativen Vergleich mit 201Tl-MSZ und 99mTc-Ery (Aequilibrium Radionuklidventrikulographie = RNV). 1) Getriggerte MIBI-Amplituden-Szintigramme (GAMS) korrelieren mit den Amplituden der RNV bei VWI mit r=0,87 bei HWI mit r=0,76, was auf Ueberlegenheit der MIBI-Funktionsszintigraphie bei HWI hinweist. 2) Die Korrelation der globalen EF beider Verfahren (MIBI/99mTc-Ery) betraegt r=0,75. 3) Perfusion und Funktion sind mit MIBI in einem Verfahren zusammenfassbar (Radionuklid-Myokard-Ventrikulographie = RMV). MIBI eroeffnet Chancen, 201Tl zu ersetzen, nicht aber, bevor eine klinische Erprobung auf aehnlich umfassender Basis vorliegt wie fuer 201Tl-MSZ und 99mTc-Ery-RNV. (orig.)Additional details
Additional titles
- Original title (German)
- Tc-Isonitril ('MIBI'): Chancen zur Verbesserung der Myokardszintigraphie oder Ersatz fuer
Publishing Information
- Journal Title
- Nuklearmediziner
- Journal Volume
- 12
- Journal Issue
- 2
- Series
- Nuklearmediziner.
- Journal Page Range
- 133-146
- ISSN
- 0723-7065
- CODEN
- NKLZD
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 20085084
- Subject category
- S62: RADIOLOGY AND NUCLEAR MEDICINE;
- Descriptors DEI
- BLOOD FLOW; COMPARATIVE EVALUATIONS; DYNAMIC FUNCTION STUDIES; ERYTHROCYTES; IMAGES; ISOMERIC NUCLEI; ISONITRILES; LABELLED POOL TECHNIQUES; MYOCARDIAL INFARCTION; MYOCARDIUM; PATIENTS; RADIOPHARMACEUTICALS; SCINTISCANNING; TECHNETIUM COMPLEXES; TECHNETIUM 99; THALLIUM 201
- Descriptors DEC
- BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; BIOLOGICAL MATERIALS; BLOOD; BLOOD CELLS; BODY; BODY FLUIDS; CARBONIC ACID DERIVATIVES; CARDIOVASCULAR DISEASES; CARDIOVASCULAR SYSTEM; COMPLEXES; COUNTING TECHNIQUES; DAYS LIVING RADIOISOTOPES; DIAGNOSTIC TECHNIQUES; DISEASES; DRUGS; ELECTRON CAPTURE RADIOISOTOPES; EVALUATION; HEART; HEAVY NUCLEI; HOURS LIVING RADIOISOTOPES; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTO; ISOMERIC TRANSITION ISOTOPES; ISOTOPE APPLICATIONS; ISOTOPES; LABELLED COMPOUNDS; MATERIALS; MUSCLES; NUCLEI; ODD-EVEN NUCLEI; ORGANIC COMPOUNDS; ORGANS; RADIOACTIVE MATERIALS; RADIOISOTOPE SCANNING; RADIOISOTOPES; TECHNETIUM ISOTOPES; THALLIUM ISOTOPES; TRACER TECHNIQUES; TRANSITION ELEMENT COMPLEXES; YEARS LIVING RADIOISOTOPES