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Abstract #1368

Late Gadolinium Enhancement MRI Parameters Related to Ventricular Tachyarrhythmia and Subsequent Invasive Treatments in Asymmetric Septal Hypertrophic Cardiomyopathy with Preserved Ejection Fraction

Yasuo Amano1, Masaki Tachi1, Mitsunobu Kitamura1, Hitomi Tani1, Shinichiro Kumita1

1Nippon Medical School, Tokyo, Japan

Asymmetric septal hypertrophic cardiomyopathy with a preserved ejection fraction is the most common type of hypertrophic cardiomyopathy. In this condition, the mass % of myocardial scarring on LGE MRI is the significant parameter related to ventricular tachyarrhythmia and the subsequent invasive treatments for it among clinical and MRI parameters. Quantification of the mass % of myocardial scarring is recommended to confirm the relationship between LGE MRI and ventricular tachyarrhythmia, which should be treated by invasive treatments, in asymmetric septal hypertrophic cardiomyopathy with a preserved ejection fraction.

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Keywords

absence addition arisen arrhythmia assess assessment associations asymmetric audiences capacity cardiac cardiologists cine close common condition cutoff defined detection diagnosis dimensional discrepancies ejection enhancement enrolled examined fail family fifty focused fraction frequently functional gadolinium graph greater heart history implantation inclusion invasive investigate japan late mass medical methodology might model multivariate myocardial negative nine noninvasive occurrence patient patients percentage phenotype phenotypes population predict predictive presence preserved quantification radiologists recent recommended reflect related relationship scanner scar scarred scarring school segment segments sizable standardized subsequent support target treated treatment treatments undergone underwent useful various ventricular wall whether year