J. H. Cornel, M. Arnese, T. Forster, J. Postma-Tjoa, A. E.M. Reijs, P. M. Fioretti

Research output: Review article

6 Citations (Scopus)


Sestamibi is a Tc labeled radiotracer particularly suitable for myocardial perfusion studies, providing similar information as thallium scintigraphy for the diagnosis of coronary artery disease. In comparison with thallium, sestamibi has the advantage of improved imaging properties due to its higher gamma emission. This is particularly relevant when SPECT imaging is considered. The myocardial uptake of sestamibi is partially passively, related to the myocardial flow, and is also related to the metabolic cellular activity, as it is proportional to the electrochemical gradient generated at cell membrane level. While the role for sestamibi in diagnosing coronary artery disease is well accepted, it is still controversial for the assessment of myocardial viability. Clinical studies reported by others and results from our own institution will be described both in the setting of a recent myocardial infarction (myocardial stunning) and of longstanding left ventricular dysfunction (hibernating myocardium). The results concordantly suggest that sestamibi underestimates myocardial viability, compared to the accepted standards of thallium (rest-redistribution or stress-reinjection protocols), 18-F FDG PET and also in the prediction of left ventricular functional recovery after revascularisation. However, the data available at present arie very limited, particularly after revascularisation. Furthermore, according to new promising results, the role of sestamibi in the setting of myocardial viability has potential for improvement, if the injection at rest will be performed during nitrates. It is also foreseen that the combined use of sestamibi perfusion/wall motion scan (first pass and/or gated perfusion studies) and the development of new softwares for attenuation correction might improve the results in the setting of myocardial viability.

Original languageEnglish
Pages (from-to)19-27
Number of pages9
Issue number1
Publication statusPublished - jan. 1 1994

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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    Cornel, J. H., Arnese, M., Forster, T., Postma-Tjoa, J., Reijs, A. E. M., & Fioretti, P. M. (1994). MOGLICHKEITEN UND GRENZEN DER TC-99M-SESTAMIBI-SZINTIGRAPHIE ZUR BEURTEILUNG DER MYOKARDVITALITAT. Herz, 19(1), 19-27.