Correlation and agreement between 2D and 3D speckle-tracking echocardiography for left ventricular volumetric, strain, and rotational parameters in healthy volunteers and in patients with mild mitral stenosis.

Authors:
Esra Poyraz
Esra Poyraz
Training and Research Hospital
Turkey
Tugba Kemaloglu Oz
Tugba Kemaloglu Oz
University of Alabama at Birmingham
Tolga Sinan Guvenc
Tolga Sinan Guvenc
Kafkas University School of Medicine

Echocardiography 2019 May 19;36(5):897-904. Epub 2019 Apr 19.

Department of Cardiology, Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Istanbul, Turkey.

Background: Recent advances had allowed measurement of myocardial deformation parameters using 3D speckle-tracking echocardiography (STE). Agreement between these two modalities and interchangeability of findings remain as an issue since 2DSTE is more widely available than 3DSTE. The aim of this study was to investigate the correlation and agreement between 2DSTE and 3DSTE in healthy volunteers and in patients with mild mitral stenosis (MS).

Methods: Data from 31 patients with mild MS and 27 healthy volunteers were included in this study. Data were analyzed for the correlation and agreement between 2DSTE and 3DSTE for volumetric, strain, and rotational parameters.

Results: There were no significant differences between 2DSTE and 3DSTE in both control and MS groups for left ventricular volumetric and rotational parameters. 3D global longitudinal strain (GLS) and global circumferential strain (GCS) were significantly higher in healthy volunteers (P < 0.001 for both), while only 3DGCS was significantly higher than 2DGCS in MS group (P < 0.001). The correlation between 3DSTE and 2DSTE was weak-to-moderate in both groups for strain and rotational parameters, and overall, correlation coefficients were higher in MS group. An exception was GLS in MS group, where coefficient of correlation was excellent (r = 0.907). Agreement between two modalities was poor for strain and rotational parameters, and the average bias was high.

Conclusions: Overall, the agreement between 2DSTE and 3DSTE for strain and rotational measures was poor with a high average bias. The agreement between 2DSTE and 3DSTE is affected by the presence of underlying MS and the direction of strain.

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http://dx.doi.org/10.1111/echo.14336DOI Listing
May 2019
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References

(Supplied by CrossRef)
Subclinical left ventricular systolic dysfunction in patients with mild‐moderate rheumatic mitral stenosis and normal left ventricular ejection fraction: an observational study
Yıldırımtürk O et al.
Anadolu Kardiyol Derg 2013

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