Assessment of coronary flow reserve using single photon emission computed tomography with technetium 99m-labeled tracers

Mario Petretta, Andrea Soricelli, Giovanni Storto, Alberto Cuocolo

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The quantitative assessment of coronary flow reserve (CFR) may be useful for the functional evaluation of coronary artery disease (CAD), allowing judgment of its severity, tracking of disease progression, and evaluation of the anti-ischemic efficacy of therapeutic strategies. Invasive techniques, such as intracoronary Doppler ultrasound and the pressure-derived method, which directly assess CFR velocity and fractional flow reserve, have been used for the evaluation of the physiologic significance of coronary lesions. Considerable progress has been made in the improvement of technologies directed toward the noninvasive quantification of myocardial blood flow and CFR. Positron emission tomography has emerged as an accurate technique to quantify CFR. The absolute measurements obtained with this noninvasive approach have been widely validated. Nevertheless, it has not been applied to routine studies because of its high cost and complexity. On the other hand, technetium 99m-labeled tracers have been largely used for the evaluation of myocardial perfusion with single photon emission computed tomography (SPECT) imaging in patients with suspected or known CAD. Recently, attempts to estimate CFR with SPECT tracers have been made to obtain, with noninvasive methods, data for quantitative functional assessment of CAD. This review analyzes the relative merit and limitations of CFR measurements by cardiac SPECT imaging with Tc-99m-labeled tracers and describes the potential clinical applications of this technique.

Original languageEnglish
Pages (from-to)456-465
Number of pages10
JournalJournal of Nuclear Cardiology
Volume15
Issue number3
DOIs
Publication statusPublished - May 2008

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Technetium
Single-Photon Emission-Computed Tomography
Coronary Artery Disease
Doppler Ultrasonography
Positron-Emission Tomography
Disease Progression
Perfusion
Technology
Pressure
Costs and Cost Analysis
Therapeutics

Keywords

  • coronary flow reserve
  • Myocardial blood flow
  • SPECT imaging

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Assessment of coronary flow reserve using single photon emission computed tomography with technetium 99m-labeled tracers. / Petretta, Mario; Soricelli, Andrea; Storto, Giovanni; Cuocolo, Alberto.

In: Journal of Nuclear Cardiology, Vol. 15, No. 3, 05.2008, p. 456-465.

Research output: Contribution to journalArticle

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