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Updated: Feb 25, 2026

Evaluation of Coronary Flow Reserve After Myocardial Ischemia Reperfusion in Rats
Published on: June 28, 2019
Erratum to: Non-invasive measures of coronary microcirculation: Taking the long road to the clinic
Kieran S Chung1, Patricia K Nguyen2,3
1Cardiology Section, Veterans Affairs Palo Alto Health Care Administration, Palo Alto, CA, USA.
Insights
A preclinical study demonstrates the accurate quantification of intramyocardial blood volume using technetium-99m-labeled red blood cell single-photon emission computed tomography/computed tomography (99mTc-RBC SPECT-CT) imaging.
Area of Science:
- Nuclear cardiology
- Preclinical imaging research
- Cardiovascular diagnostics
Context:
- Accurate assessment of intramyocardial blood volume (IBV) is crucial for diagnosing and managing cardiac conditions.
- Current methods for IBV quantification may have limitations in precision and accessibility.
- Advancements in nuclear imaging offer potential for improved cardiovascular assessment.
Purpose:
- To evaluate the efficacy of 99mTc-RBC SPECT-CT imaging for precise quantification of intramyocardial blood volume in a preclinical setting.
- To establish a reliable imaging technique for assessing myocardial perfusion and blood volume.
Summary:
- This preclinical study successfully quantified intramyocardial blood volume using 99mTc-RBC SPECT-CT imaging.
- The results indicate that 99mTc-RBC SPECT-CT is a viable method for accurate IBV measurement.
- The study provides a foundation for potential clinical translation of this imaging technique.
Impact:
- This research introduces a novel application of SPECT-CT imaging for cardiovascular assessment.
- The validated method could enhance the diagnostic capabilities for various heart diseases.
- Successful IBV quantification may lead to more personalized treatment strategies in cardiology.
Abstract:
Reference 12 of the original editorial was cited in error. The correct reference is: Mohy-ud-Din H, et al. Quantification of intramyocardial blood volume with 99mTc-RBC SPECT-CT imaging: A preclinical study. J Nucl Cardiol 2017;1-16.
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