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- W3148640063 abstract "Objective To investigate the magnetocardiography (MCG) changes in coronary artery disease (CAD) patients with normal or unspecific changes in resting electrocardiogram (ECG).Methods MCG mapping was performed by MCG-7 (MaGIC,Magscan GmbH) installed in an unshielded room. All patients underwent ECG and coronary angiogram examinations and patients with normal or unspecified ECG changes and coronary artery narrowing ≥70% in at least 1-vessel were defined as CAD group (n=120). Patients with normal coronary angiogram served as control (n=82). Four parameters: ACTM (average classification of total maps),RAM (ratio of abnormal maps),CVEI (complex ventricular excitation index)and R-max/T-max ratio,were analyzed in CAD and control groups.Results RAM (62% vs. 35%) and ACTM (2.62±0.98 vs. 2.29±0.90,P0.05)were significantly higher in CAD group than in control group. CVEI was found in abnormal zone (-100-0) in CAD group while in normal zone (0-100) in control group. The ratio of Rmax/Tmax in CAD group was also significantly higher in CAD group than in control group(6.41±3.29 vs. 4.10±2.00,P0.01). ROC curve analysis indicates that RAM,CVEI and Rmax/Tmax ratio were helpful parameters for CAD diagnosis and the diagnostic sensitivity was 67.1%,65.9% and 64.3%; the specificity was 65.1%,68.3% and 68.3% respectively.Conclusion MCG was a useful tool for diagnosing chronic myocardium ischemia in CAD patients with normal or unspecific changes resting ECG." @default.
- W3148640063 created "2021-04-13" @default.
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- W3148640063 date "2006-01-01" @default.
- W3148640063 modified "2023-09-24" @default.
- W3148640063 title "Magnetocardiography changes in coronary artery disease patients with normal or unspecialized resting electrocardiogram" @default.
- W3148640063 hasPublicationYear "2006" @default.
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