OP-085 The Electrical Heterogeneity of the Ventricle Repolarization Assessed by Frontal Planar Qrs/T Angle Is Increased with Late Gadolinium Enhancement in Patients with Non-Specific Myocarditis




Introduction


Late gadolinium enhancement (LGE) by cardiac magnetic resonance (CMR) has been used to accurately identify and quantify ventricular myocardial fibrosis. Intramyocardial and/or subepicardial LGE, unrelated to the distribution of coronary arteries, is indicative of myocarditis and/or cardiomyopathy. Nonetheless, several studies showed that the presence and amount of myocardial fibrosis is important for ventricular arrhythmias. Frontal planar QRS/T angle provides information about the electrical heterogeneity of the ventricles during repolarization. In this context, the aim of the study was to investigate the relationship between the presence of non-ischemic myocardial fibrosis and repolarization heterogeneity of the ventricles in patients with non-specific myocarditis.




Material and Methods


A total of 68 patients, in whom CRM was performed due to the suspicion of non-specific myocarditis and/or cardiomyopathy, were retrospectively analyzed. Patients with ischemic cardiomyopathy, hypertrophic cardiomyopathy and congenital heart disease were excluded. Subsequently, patients were divided into two groups; LGE (+) and LGE (-). LGE (+) group was consisted of 36 patients and LGE (-) group was consisted of 32 patients. The absolute difference between the frontal QRS wave axis and T-wave axis was defined as frontal planar QRS/T angle.




Material and Methods


A total of 68 patients, in whom CRM was performed due to the suspicion of non-specific myocarditis and/or cardiomyopathy, were retrospectively analyzed. Patients with ischemic cardiomyopathy, hypertrophic cardiomyopathy and congenital heart disease were excluded. Subsequently, patients were divided into two groups; LGE (+) and LGE (-). LGE (+) group was consisted of 36 patients and LGE (-) group was consisted of 32 patients. The absolute difference between the frontal QRS wave axis and T-wave axis was defined as frontal planar QRS/T angle.

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Nov 27, 2016 | Posted by in CARDIOLOGY | Comments Off on OP-085 The Electrical Heterogeneity of the Ventricle Repolarization Assessed by Frontal Planar Qrs/T Angle Is Increased with Late Gadolinium Enhancement in Patients with Non-Specific Myocarditis

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