Related Experiment Video
Updated: Feb 19, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
Published on: February 16, 2016
Myocardial perfusion imaging: Lessons learned and work to be done-update
Ami E Iskandrian1, Vasken Dilsizian2, Ernest V Garcia3
1Division of Cardiovascular Diseases, Department of Medicine, University of Alabama at Birmingham, 318 LHRB/ 1900 University BLVD, Birmingham, AL, 35294, USA. aiskand@uab.edu.
This review discusses advancements in cardiac imaging, focusing on prognostic markers, serial testing data handling, and ischemia-guided therapies. It explores various positron emission tomography (PET) tracers and hybrid imaging techniques for improved cardiovascular disease assessment.
Area of Science:
- Cardiovascular imaging and diagnostics
- Nuclear cardiology
- Medical imaging physics
Background:
- The field of cardiovascular imaging is rapidly evolving, necessitating a review of current practices and future directions.
- Key areas of interest include prognostication, data interpretation from serial testing, and the predictive value of perfusion changes.
- The integration of novel imaging modalities and techniques is crucial for advancing patient care.
Purpose of the Study:
- To provide an overview of contemporary topics in cardiovascular imaging relevant to clinical practice.
- To discuss the utility of various imaging techniques, including positron emission tomography (PET) and hybrid imaging, in assessing coronary artery disease.
- To explore challenges and considerations such as radiation exposure, attenuation correction, and the use of normal databases.
Main Methods:
- Review of current literature and clinical guidelines on cardiac imaging.
- Comparative analysis of different positron emission tomography (PET) tracers (Rubidium-82, N-13 ammonia, F-18 Flurpiridaz).
- Discussion of ischemia-guided therapy strategies, including fractional flow reserve (FFR), perfusion imaging, and myocardial blood flow (MBF) assessment.
- Exploration of hybrid imaging modalities (SPECT/PET with CT angiography or coronary calcium scoring).
Main Results:
- The review highlights the prognostic significance of changes in myocardial perfusion and the role of ischemia-guided therapy.
- Different PET tracers offer unique advantages and challenges in clinical application.
- Hybrid imaging approaches show promise for comprehensive cardiovascular risk assessment.
Conclusions:
- Continued evaluation of prognostic markers and data handling strategies for serial testing is essential.
- Standardization of imaging protocols and interpretation, including attenuation correction and normal database utilization, is important.
- The integration of advanced imaging techniques, including PET and hybrid imaging, offers significant potential for improving the diagnosis and management of cardiovascular diseases.

