Myocardial perfusion scintigraphy and coronary angiogram - A comparative study
Journal Title: MedPulse -International Medical Journal - Year 2016, Vol 3, Issue 4
Abstract
Radionuclide myocardial perfusion imaging (MPI) can be used to demonstrate the presence of coronary heart disease and to risk stratify and guide management of patients with known disease. Aim of the study was to in risk stratifying the patients with CAD using MPI and coronary angiogram as gold standard. Primary objective is to correlate MPS findings with coronary angiogram in defining the global myocardial ischemia and secondary objective is to compare the sensitivity and specificity of MPS, taking CAG findings as the gold standard in patients in whom both tests are done. 63 patients were considered in the study. Most of the patients fell in moderate Dukes score (78 patients, 60%). 26 patients had abnormal MPI and 37 had normal MPI. Abnormal MPI showed good correlation (85-100%) with angiogram findings where as normal MPS correlation was less (75-90%) possibly due to good collateralization from other vessels. MPI has the ability to localize hemodynamically important coronary stenoses, and assess the extent and severity of coronary obstruction by the presence and extent of perfusion defects.
Authors and Affiliations
Harish B, Sowmya H E
Keywords
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