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Published in: Clinical Research in Cardiology 4/2010

01-04-2010 | Original Paper

Diagnostic superiority of a combined assessment of the systolic and early diastolic mitral annular velocities by tissue Doppler imaging for the differentiation of restrictive cardiomyopathy from constrictive pericarditis

Authors: Thomas Butz, C. Piper, C. Langer, M. Wiemer, T. Kottmann, A. Meissner, G. Plehn, H. J. Trappe, D. Horstkotte, L. Faber

Published in: Clinical Research in Cardiology | Issue 4/2010

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Abstract

Background and aims

Echocardiographic tissue Doppler imaging (TDI) has been proposed as diagnostic tool for the differentiation between constrictive pericarditis (CP) and restrictive cardiomyopathy (RCM). The aim of this study was a comprehensive TDI analysis of systolic (S′) and early diastolic (E′) velocities of the septal and lateral mitral annulus (MA) in patients (pts) with severe diastolic dysfunction caused either by CP or RCM.

Methods and results

Sixty consecutive pts (34 men, mean age 61 ± 11 years), 34 pts with proven CP and 26 pts with RCM due to cardiac amyloidosis, were included in the study. Forty-two of the 60 pts were in NYHA class III (70%). In pts with RCM systolic longitudinal velocity (S′) was significantly decreased when compared to CP (septal MA 4.1 ± 1.5 vs. 7.3 ± 2.1 cm/s, p < 0.001; lateral MA 4.3 ± 1.9 vs. 7.0 ± 1.9 cm/s, p < 0.001). In addition, the RCM group showed a significantly decreased early diastolic longitudinal velocity (E′), both on the septal (4.1 ± 1.6 vs. 12.9 ± 4.9 cm/s, p < 0.001) and lateral side (4.8 ± 1.9 vs. 11.3 ± 3.7 cm/s; p < 0.001) of the mitral annulus. ROC analysis demonstrated an area under the curve of 0.889 (S′ septal), 0.823 (S′ lateral), 0.974 (E′ septal), and 0.915 (E′ lateral) for the differentiation of RCM and CP with a cutoff value of <8 cm/s. The combined use of an averaged S′ cutoff value <8 cm/s as well as an E′ cutoff value <8 at the lateral and septal MA demonstrated 93% sensitivity and 88% specificity for the diagnosis of RCM.

Conclusion

TDI provides a diagnostic superiority and an accurate discrimination between RCM and CP by using the combined cutoff value of <8 cm/s for S′ and E′ at both sides of the MA.
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Metadata
Title
Diagnostic superiority of a combined assessment of the systolic and early diastolic mitral annular velocities by tissue Doppler imaging for the differentiation of restrictive cardiomyopathy from constrictive pericarditis
Authors
Thomas Butz
C. Piper
C. Langer
M. Wiemer
T. Kottmann
A. Meissner
G. Plehn
H. J. Trappe
D. Horstkotte
L. Faber
Publication date
01-04-2010
Publisher
Springer-Verlag
Published in
Clinical Research in Cardiology / Issue 4/2010
Print ISSN: 1861-0684
Electronic ISSN: 1861-0692
DOI
https://doi.org/10.1007/s00392-009-0106-1

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