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As per available reports about 45 Journals 47 Conferences 51 Workshops are presently dedicated exclusively to Myocardial Perfusion and about 145871 articles are being published on the current trends in Myocardial Perfusion.
Myocardial perfusion scan that is also known as MPI is a procedure of nuclear medicine which illustrates the function of our heart muscle that is myocardium. It guides in evaluating many heart conditions one among them is coronary artery disease referred as (CAD), hypertrophic cardiomyopathy and other heart problems as heart wall motion abnormalities, function of the myocardium could also be evaluated by calculating the left ventricular ejection fraction (LVEF) of the heart. This scan is preferred when done in conjunction with cardiac stress test. Planar techniques, such as conventional scintigraphy, are used rarely. In place of planar techniques, SPECT is more commonly used in developed countries as USA. Topics like Coronary hemodynamics in heart failure Hypertension, Myocardial viability shall be discussed.
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Scope and Importance
The study aims to discuss the relationship and difference between myocardial perfusion imaging (MPI) using SPECT and CT coronary angiography (CTCA) for diagnosis of coronary artery disease (CAD). Five hundred and four cases undergoing MPI and CTCA were comparatively analyzed, including fifty six patients undergoing invasive coronary angiography in the same period. Among patients with negative MPI results, negative or positive CTCA occupied 84.7% or 15.3%, respectively. Among patients with positive MPI, positive or negative CTCA occupied 67.2% or 32.8%, respectively. Among patients with negative CTCA, negative or positive MPI occupied 94.4% or 5.6%, respectively. Among patients with positive CTCA, positive or negative MPI occupied 40.2% or 59.8%, respectively. Negative predictive value was relatively higher than the positive predictive value for positive CTCA eliminating or predicting abnormal haemo dynamics.
During the past 2 decades, myocardial perfusion imaging (MPI) has become fully embedded in the practice of clinical cardiology. Single-photon emission computed tomography (SPECT) cameras are readily available in both the hospital and the office setting. The stress protocols for MPI, with either exercise or pharmacologic stress, are well established, straightforward, and easily implemented. And there is extensive experience in the published reports and in clinical practice regarding the application of SPECT perfusion imaging for diagnosis, prognosis, and risk stratification. Thus, in an era of technological advances in ultrasound imaging, cardiac magnetic resonance, and cardiac computed tomography, SPECT perfusion imaging is firmly established as an efficient, reliable, and relatively cost-effective procedure in the management of patients with known or suspected coronary artery disease.
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This page was last updated on June 2, 2023