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Related Experiment Video

Updated: May 6, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
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Reverse perfusion pattern in myocardial spect with 99mTc-sestaMIBI.

O Schillaci1, M Tavolozza, D Di Biagio

  • 1"Department of Biopathology and Diagnostic Imaging", "Tor Vergata" University of Rome, Rome, Italy.

Journal of Medicine and Life
|October 23, 2013
PubMed
Summary

Reverse perfusion patterns in myocardial scintigraphy (MS) are not linked to patient demographics or risk factors. However, a history of myocardial infarction (MI) is associated with reverse perfusion, which may stem from artifacts.

Keywords:
99mTc-Se staMIBImyocardial SPECTreverse distributionreverse perfusion

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Area of Science:

  • Cardiology
  • Nuclear Medicine
  • Diagnostic Imaging

Background:

  • Myocardial scintigraphy (MS) is a key diagnostic tool for assessing myocardial perfusion.
  • Investigating perfusion deficits between rest and stress imaging is crucial for accurate diagnosis.

Purpose of the Study:

  • To investigate the occurrence and characteristics of the reverse perfusion (RP) pattern in myocardial scintigraphy (MS).
  • To determine the correlation between RP patterns and patient demographics, medical history, and risk factors.

Main Methods:

  • Retrospective analysis of 263 patients undergoing MS with a standard single-day Stress/Rest protocol.
  • Comparison of RP pattern prevalence across different demographic groups and clinical histories, including myocardial infarction (MI) and revascularization.

Main Results:

  • 27 out of 263 patients exhibited an RP pattern.
  • No statistically significant differences in RP were found concerning age, sex, BMI, diabetes, dyslipidemia, or smoking status.
  • A history of myocardial infarction (MI) was significantly associated with the presence of an RP pattern (p < 0.0001).

Conclusions:

  • The study suggests that the reverse perfusion (RP) pattern in MS may be associated with artifacts.
  • Further research is warranted to explore potential links to microvascular dysfunction or chronic disease states.