Relationship between Baseline ECG Abnormalities and Quantitative Perfusion Parameters of Myocardial Perfusion Findings

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Ghaedian T.; MIRZAEI M.; Ghaedian M.M.

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Journal Paper

Paper Information

Journal: IRANIAN SOUTH MEDICAL JOURNAL (ISMJ) Year:2020 | Volume:22 | Issue:6 Page(s): 381-391

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Information Journal Paper

Title

Relationship between Baseline ECG Abnormalities and Quantitative Perfusion Parameters of Myocardial Perfusion Findings

Author(s)

Ghaedian T. | MIRZAEI M. | Ghaedian M.M. | Issue Writer Certificate

Keywords

ElectrocardiographyQ3

Myocardial Perfusion ImagingQ2

Coronary Artery DiseaseQ2

Quantitative and Semiquantitative MPI Perfusion ParametersQ1

Abstract

Background: Coronary Artery Disease (CAD) is one of the major causes of mortality in most countries. Electrocardiography (ECG) and Myocardial Perfusion Imaging (MPI) are non-invasive disgnostic tests for CAD. Finding a relationship between abnormal findings in the baseline ECG and MPI findings can be helpful in better diagnosis of CAD. Materials and Methods: The present study examined ECG of patients who underwent MPI and categorized them into three groups: normal ECG, abnormal ST-T change, and abnormal Q or fragmented QRS. The quantitative and semi-quantitative parameters as well as visual interpretation of MPI were compared among the three groups. Results: Finally, 230 patients entered the study, including 92 patients (40. 0%) with normal ECG, 86 patients (37. 4%) with ST-T changes and 52 patients (22. 6%) with fQRS-Q complex abnormality. In total, 77 patients (33. 5%) had positive MPI scan. There were significant differences between the normal and ST-T subgroups with Q-fQRS group for all quantitative and semi-quantitative variables, however, normal and ST-T groups were significantly different only in terms of SSS, SDS and TPDs. Frequency of abnormal MPI was significantly higher in Q-fQRS group. Conclusion: The results of this study showed that myocardial ischemia is more frequent in patients with baseline ST-T ECG changes. In addition, Q-fQRS abnormality is associated with higher rates of both myocardial scar and ischemia in MPI.

Cites

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References

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APA: Copy

Ghaedian, T., MIRZAEI, M., & Ghaedian, M.M.. (2020). Relationship between Baseline ECG Abnormalities and Quantitative Perfusion Parameters of Myocardial Perfusion Findings. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), 22(6 ), 381-391. SID. https://sid.ir/paper/360255/en

Vancouver: Copy

Ghaedian T., MIRZAEI M., Ghaedian M.M.. Relationship between Baseline ECG Abnormalities and Quantitative Perfusion Parameters of Myocardial Perfusion Findings. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ)[Internet]. 2020;22(6 ):381-391. Available from: https://sid.ir/paper/360255/en

IEEE: Copy

T. Ghaedian, M. MIRZAEI, and M.M. Ghaedian, “Relationship between Baseline ECG Abnormalities and Quantitative Perfusion Parameters of Myocardial Perfusion Findings,” IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), vol. 22, no. 6 , pp. 381–391, 2020, [Online]. Available: https://sid.ir/paper/360255/en

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