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Investigation Myocardial Perfusion Scan Parameters and Walls Motion in Patients undergoing Cardiac Surgery
Mohammad Mehdi Movahedi1,2, Hamidreza Arianfar3, Mohammad Atefi2,4
1Department of Medical Physics and Engineering, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
Insights
Myocardial Perfusion Scans (MPS) effectively assess heart conditions using gated heart scan parameters. These non-invasive diagnostics aid in diagnosing patients needing heart surgery by analyzing parameters like Ejection Fraction (EF).
Area of Science:
- Cardiology
- Diagnostic Imaging
- Nuclear Medicine
Background:
- Coronary heart disease, a leading cause of cardiovascular disease, stems from arterial blood flow blockages.
- Myocardial Perfusion Scan (MPS) offers a non-invasive assessment of cardiac function.
- Key MPS parameters include End Diastolic Volume (EDV), End Systolic Volume (ESV), Ejection Fraction (EF), Lung to Heart Ratio (LHR), and Transient Ischemic Dilatation (TID).
Purpose of the Study:
- To investigate how gated heart scan parameters change in patients considered for heart surgery.
- To establish the diagnostic utility of these parameters in surgical candidates.
Main Methods:
- A descriptive cross-sectional study involving 40 heart surgery candidates.
- Evaluation of gated heart scan parameters: TID, ESV, LHR, and EF.
- Analysis of cardiac output and heart wall motion.
Main Results:
- One-sample t-test revealed statistically significant differences in parameters (P<0.0001).
- All analyzed parameters were within the normal range.
- Observed changes in cardiac output and heart wall motion in all patients.
Conclusions:
- Myocardial Perfusion Scan (MPS) parameters are valuable for diagnosing patients requiring heart surgery.
- Gated heart scan analysis provides an effective diagnostic method for pre-surgical cardiac assessment.
Background:
Coronary heart disease the most prevalent form of cardiovascular disease, results from the blockage of blood flow through arteries. The Myocardial Perfusion Scan (MPS) is considered a non-invasive method to assess the heart condition and provides valuable information, such as End Diastolic Volume (EDV), End Systolic Volume (ESV), Ejection Fraction (EF), Lung to Heart Ratio (LHR), and Transient Ischemic Dilatation (TID).
Objective:
This study aimed to investigate changes in gated heart scan parameters to diagnose patients, who are candidates for heart surgery.
Material And Methods:
In this descriptive cross-sectional study, 40 patients who are candidates for heart surgery were enrolled to evaluate the relation between the parameters of the gated heart scan and the amount of ischemic area of the heart. After scanning the patients, TID, ESV, LHR, and EF and also the movements of the heart walls are examined and analyzed in these patients.
Results:
According to the results of the one-sample t-test showing a significant difference between the parameters, the results were within the normal range (P-value<0.0001). Additionally, all patients showed changes in cardiac output and wall movement issues.
Conclusion:
The evaluation of Myocardial Perfusion Scan (MPS) and gated heart scan parameters can provide an effective method for diagnosing patients who may require heart surgery.
