1187 Usefulness of tissue Doppler imaging in risk stratification of sudden cardiac death in hypertrophic cardiomyopathy

length - systolic length)/diastolic length) was calculated in its long axis direction. The LV shape was assessed using the LV short-to-long axis dimension ratio as spherical index (SI) in mid-systolic apical two-chamber view. Results: Compared to normal subjects, patients with DCM had a significantly larger SI (0.70±0.09 vs 0.50±0.04, p<0.01), and a greater reduction in %SS (4.1±4.1 vs 22.1±4.0%, p<0.01). Furthermore in DCM, %SS showed significant negative correlation with SI (figure), although there was no correlation between %SS and LVEF. Conclusion: These results suggest that left ventricular remodeling may attribute to papillary muscle dysfunction regardless of LVEF in patients with dilated cardiomyopathy. 1186 Phenotypic diversity in the extent and distribution of hypertrophy caused by a troponin T mutation in a family with hypertrophic cardiomyopathy