Related Experiment Video

Updated: Jul 27, 2025

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
08:13

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

Published on: February 16, 2016

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The Never-ending Story: Assessing coronary collateral circulation with myocardial perfusion imaging

Roberto Sciagrà1, Flavia Linguanti2

  • 1Nuclear Medicine Unit, Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy. roberto.sciagra@unifi.it.

Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology
|June 8, 2023
PubMed

Insights

Coronary collateral circulation is vital and studied using myocardial perfusion imaging. However, the clinical significance of imaging even subtle collaterals remains unclear and requires further investigation.

Area of Science:

  • Cardiovascular research
  • Medical imaging techniques

Background:

  • The role of coronary collateral circulation (CCC) in myocardial perfusion is well-established.
  • Myocardial perfusion imaging (MPI) is a common diagnostic tool for assessing CCC.

Discussion:

  • Angiographically invisible collaterals can still contribute to myocardial blood flow.
  • The clinical utility of detecting these subtle collaterals via MPI is uncertain.

Key Insights:

  • MPI can detect tracer uptake supported by even subtle coronary collaterals.
  • The clinical relevance of these findings needs further clarification.

Outlook:

  • Future research should focus on defining the clinical impact of subtle CCC detected by MPI.
  • Clarifying the role of these collaterals may refine patient management strategies.

Keywords:
CADMPISPECT

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