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  • Title: Assessment of Subvalvular Apparatus in Patients with Rheumatic Mitral Stenosis: Comparison between 2D and 3D Echocardiography.
    Author: Shakil SS, Ahmed CM, Khaled FI, Nahar S, Perveen R, Pandit H, Osmani DM.
    Journal: Mymensingh Med J; 2017 Oct; 26(4):716-720. PubMed ID: 29208857.
    Abstract:
    Mitral valve is the most involved valve in rheumatic heart disease especially in the form of mitral stenosis. Treatment options of mitral stenosis depend upon pattern, extent & the severity of disease and echocardiography has the key role in this area. Severity of involvement of subvalvular apparatus (SVA) is an important factor for determining the treatment option. 2D echocardiography (2DE) is conventionally used. With the advancement of echocardiographic technology 3D echocardiography (3DE) would offer better assessment of subvalvular apparatus. This study compared transthoracic 2D versus 3D echocardiography for assessment of SVA in chronic rheumatic mitral valve disease. This cross sectional observational study was done in University cardiac centre, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from May 2012 to October 2012. In this study, considering all ethical issues, data were collected from 50 subjects who underwent transthoracic 2D and 3D echocardiography for the assessment of extent and severity of mitral stenosis. Accurate measurement of Mitral valvular area is very important in assessment of severity, which is found similar by both 2DE (0.98±0.24cm²) and 3DE (0.92 ±0.23cm²). But assessment of subvalvular involvement especially chordal adhesion can be done better by 3DE (p<0.001). This observation suggests superiority of 3DE for assessment of SVA in chronic rheumatic mitral stenosis. The result of the study demonstrates that 3DE is superior to 2DE for the assessment of SVA in chronic rheumatic mitral stenosis.
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