PURPOSE: To evaluate the capability of MRI to differentiate cardiac amyloidosis (CA), end-stage hypertrophic cardiomyopathy (HCM), and hypertensive heart disease (HHD), which are important etiologies of left ventricular hypertrophy (LVH) and heart failure. MATERIALS AND METHODS: We enrolled 26 patients presenting with both LVH and heart failure: six with CA, nine with end-stage HCM, and 11 with HHD. Cardiac function, presence of pericardial or pleural effusion, and the extent and patterns of late gadolinium enhancement (LGE) were compared among the three diseases. RESULTS: Myocardial LGE was observed in all six CA patients, eight end-stage HCM patients, and six HHD patients. The number of LGE segments was significantly greater in CA than in HCM or HHD (p = 0.02 for both), and all patients with CA showed a global endocardial pattern of LGE. There were significant differences among CA, HCM, and HHD in ejection fraction and end-diastolic and end-systolic volume indices (p < 0.05 for all). Pericardial effusion was observed more frequently in CA than in HCM or HHD (p = 0.04 or 0.01, respectively). CONCLUSION: MRI is valuable for distinguishing among CA, end-stage HCM, and HHD, all of which present with LVH and heart failure.
PURPOSE: To evaluate the capability of MRI to differentiate cardiac amyloidosis (CA), end-stage hypertrophic cardiomyopathy (HCM), and hypertensive heart disease (HHD), which are important etiologies of left ventricular hypertrophy (LVH) and heart failure. MATERIALS AND METHODS: We enrolled 26 patients presenting with both LVH and heart failure: six with CA, nine with end-stage HCM, and 11 with HHD. Cardiac function, presence of pericardial or pleural effusion, and the extent and patterns of late gadolinium enhancement (LGE) were compared among the three diseases. RESULTS: Myocardial LGE was observed in all six CA patients, eight end-stage HCM patients, and six HHDpatients. The number of LGE segments was significantly greater in CA than in HCM or HHD (p = 0.02 for both), and all patients with CA showed a global endocardial pattern of LGE. There were significant differences among CA, HCM, and HHD in ejection fraction and end-diastolic and end-systolic volume indices (p < 0.05 for all). Pericardial effusion was observed more frequently in CA than in HCM or HHD (p = 0.04 or 0.01, respectively). CONCLUSION: MRI is valuable for distinguishing among CA, end-stage HCM, and HHD, all of which present with LVH and heart failure.
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Authors: Radu Ovidiu Rosu; Ana Lupsor; Alexandru Necula; Gabriel Cismaru; Simona Sorana Cainap; Daniela Iacob; Cecilia Lazea; Andrei Cismaru; Alina Gabriela Negru; Dana Pop; Gabriel Gusetu Journal: Diagnostics (Basel) Date: 2022-02-14