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  • Title: Comparison between 2D and 3D Echocardiography in Efficient Detection of Commissural Calcification in Rheumatic Mitral Stenosis.
    Author: Shakil SS, Nahar S, Osmany DF, Parvin R, Biswas AK, Ahmed CM.
    Journal: Mymensingh Med J; 2021 Jan; 30(1):13-20. PubMed ID: 33397845.
    Abstract:
    Rheumatic heart disease causes a substantial number of morbidity and mortality in Southeast Asia. In Bangladesh prevalence of Rheumatic Fever and Rheumatic heart disease is still high, 0.6 and 0.3 per thousand populations, respectively. Mitral valve mostly involved in the form of mitral stenosis in the rheumatic process. Treatment selections and its success largely depend upon the severity of disease especially the extent and distribution of calcification. Echocardiography has got the key role in determining the pattern, extent and severity of mitral stenosis. Two dimensional and Doppler echocardiography are conventionally used. With the increasing availability of 3D echocardiography, better cardiac imaging is possible now. The heart being a complex three-dimensional structure, the 3D evaluation would definitely offer better imaging for accurate assessment of the severity of mitral stenosis, especially details of commissural involvements. Many scoring systems are available for the assessment of the severity of rheumatic Mintral Stenosis (MS), mostly 2DE based; among them, Wilkins is mostly practiced. This cross-sectional observational study was conducted in University Cardiac Centre, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh from May 2012 to October 2012. Data were collected from 50 subjects who underwent transthoracic 2D and 3D Echocardiography for the assessment of rheumatic mitral stenosis especially detection of calcification also it's severity, extent, and distribution, furthermore the presence of commissural calcification. Precise measurement of Mitral valvular area is essential in the assessment of severity, which is found similar by both 2DE (0.98±0.24cm²) and 3DE (0.92±0.23cm²). But in identifying calcification and its extent especially commissural involvement is better detected by 3DE (p=0.002). This has paramount importance in therapeutic decision making of chronic rheumatic MS. To make a well-organized management plan and also for the confident prediction of complications, three-dimensional echocardiography has promising prospects in detecting commissural calcification and should be considered as an essential adjuvant to the conventional two-dimensional echocardiography.
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