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Assessment of Mitral Annulus Size and Function by Real-time 3-Dimensional Echocardiography in Cardiomyopathy: Comparison with Magnetic Resonance Imaging

  • Ashraf M. Anwar
  • , Osama I.I. Soliman
  • , Attila Nemes
  • , Tjeerd Germans
  • , Boudewijn J. Krenning
  • , Marcel L. Geleijnse
  • , Albert C. Van Rossum
  • , Folkert J. ten Cate
  • Al-Hussein University Hospital
  • University of Szeged
  • Vrije Universiteit Amsterdam
  • Erasmus MC

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

38 Citations (Scopus)

Abstract

Objective: We sought to assess mitral annular (MA) size and function in hypertrophic cardiomyopathy (HCM) and dilated cardiomyopathy (DCM) using real-time 3-dimensional (3D) echocardiography (RT3DE). Methods: The study included 30 patients with HCM, 20 patients with DCM, and 30 control subjects. RT3DE measurements included end-systolic and end-diastolic MA area (MAA) (MAA3D), MA diameter3D, MA fractional area change (MAFAC), and MA fractional shortening. In subgroup of 50 patients, magnetic resonance imaging (MRI) was used for MAAMRI and MA diameterMRI measurement. Results: End-diastolic MAA3D was larger in HCM than in control group (P < .0001). Higher MAFAC and MA fractional shortening were present in HCM than in control group (P = .001 and P = .006, respectively). End-systolic and end-diastolic MAA3D in DCM were higher than in HCM and control groups (P < .0001). Lower MAFAC and MA fractional shortening were present in DCM than in HCM and control groups (P < .0001). MAFAC correlated well with left ventricular function in control subjects (r = 0.94, P < .0001), whereas correlation was less in DCM (r = 0.53, P = .02) and HCM (r = 0.42, P < .01). RT3DE and MRI measurements were comparable. Conclusion: RT3DE assessment of MA size and function in control subjects and patients with cardiomyopathy is accurate and well correlated with MRI.

Original languageEnglish
Pages (from-to)941-948
Number of pages8
JournalJournal of the American Society of Echocardiography
Volume20
Issue number8
DOIs
Publication statusPublished - Aug 2007
Externally publishedYes

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