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Minerva Cardioangiologica 2008 April;56(2):181-7

Copyright © 2008 EDIZIONI MINERVA MEDICA

language: English

Evaluation of the left ventricular anatomy in hypertrophic cardiomyopathy: comparison between echocardiography and cardiac magnetic resonance imaging

Romano R., Losi M. A., Migliore T., Contaldi C., Parrella L. S., Caputi A., Betocchi S.

Department of Clinical Medicine Cardiovascular and Immunological Sciences University Federico II School of Medicine Naples, Italy


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Aim. The aim of this study was to assess the relationship between echocardiographic indexes of left ventricular (LV) hypertrophy with LV mass (LVM) obtained at cardiac magnetic resonance (CMR) in a population of patients with hypertrophic cardiomiopathy (HCM).
Methods. Thirty-nine patients with HCM underwent echocardiography and CMR. By echocardiography maximal wall thickness (MWT), Spirito’ and Maron’s hypertrophy index and the Wigle’s score were obtained. Absolute LVM was measured through CMR and indexed to body surface area (LVMi). Data were analysed using linear regression analysis.
Results. In 31% of patients there was an incomplete echocardiographic LV anatomic characterization. However, there was a good correlation between MWT measured at echocardiography and at CMR (P<0.001; r=0.755). Overall echocardiographic indexes of LV hypertrophy correlate with either LVM and LVMi: MWT (P=0.008, r=0.420 and P=0.003, r=0.467, respectively); Spirito’ and Maron’s hypertrophy index (P=0.003, r=0.551 and P=0.001, r=0.606, respectively) and Wigle’s score (P=0.004, r=0.522 and P=0.004, r=0.522, respectively).
Conclusion. In our HCM population, although a complete anatomic LV anatomic characterization was not obtained by echocardiography in all patients, echocardiographic hypertrophic indexes showed a good correlation with LVM obtained by CMR.

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