Morphologic features of the rheumatic mitral regurgitant valve by three-dimensional echocardiography

Wong, Selwyn; French, Renelle; Bolson, Edward L.; McDonald, John A.; Legget, Malcolm E.; Sheehan, Florence H.

doi:10.1067/mhj.2001.117775

Cited by 10 publications

(6 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A large anteroposterior annulus diameter and small PL angle were independently associated with rheumatic MR severity. 40 Morphological quantification of the LV and subvalvular apparatus found that misalignment of the papillary muscles and a narrowed interchordal angle also contribute to rheumatic MR. 41 Valve repair of rheumatic MR is more challenging when leaflet retraction coexists with misalignment of papillary muscles, and morphological quantification will be helpful to guide valve repair, if contemplated.…”

Section: Rheumatic MV Diseasementioning

confidence: 99%

Quantification of Mitral Valve Morphology With Three-Dimensional Echocardiography

Lee

Fang

Jin

et al. 2014

Circ J

View full text Add to dashboard Cite

Circulation Journal Official Journal of the Japanese Circulation Society http://www. j-circ.or.jp ysis yields faster and more reproducible results; and (4) a variety of users (eg, cardiac anesthetists) wants to use the repeatable methodology offered by quantitative methods. Image-processing tools provide characterization of the complex 3D morphology and motion of the MV. Combined with the properties of the imaging modality and knowledge of anatomy, this yields quantitative descriptions that are useful in diagnostic and therapeutic decision-making. This review summarizes the current development and applications of quantitative analysis of the MV morphology using RT3DE. Anatomic Consideration MV LeafletsThe anterior leaflet (AL) is in fibrous continuity with the aortic valve and guards one-third of the anterior mitral annulus. Fine demarcations divide the AL into 3 smaller scallops. The posterior leaflet (PL) is crescent-shaped and spans the posterior n the past 5 years, advances in real-time 3-dimensional echocardiography (RT3DE) have revolutionized the imaging of the mitral valve (MV). Many studies have consistently shown the superiority of 3D transesophageal echocardiography (TEE) over 2D TEE for visualizing MV morphology. 1 RT3DE has become the imaging modality of choice for guiding MV surgery and catheter-based intervention. Currently, RT3D imaging of the MV involves mainly visualization and qualitative interpretation of volume-rendered images. This "qualitative" approach typically involves few quantitative measurements of MV morphology, and is prone to subjectivity that introduces bias, low reproducibility, and high dependency on imaging expertise.Quantitative cardiac imaging has growing importance for several reasons: (1) as imaging becomes more digital, the opportunity will create the need; (2) automated approaches to intervention and surgery design and planning are emerging from the laboratory and entering the clinic; (3) algorithm-driven anal- The mitral valve (MV) has complex 3-dimensional (3D) morphology and motion. Advance in real-time 3D echocardiography (RT3DE) has revolutionized clinical imaging of the MV by providing clinicians with realistic visualization of the valve. Thus far, RT3DE of the MV structure and dynamics has adopted an approach that depends largely on subjective and qualitative interpretation of the 3D images of the valve, rather than objective and reproducible measurement. RT3DE combined with image-processing computer techniques provides precise segmentation and reliable quantification of the complex 3D morphology and rapid motion of the MV. This new approach to imaging may provide additional quantitative descriptions that are useful in diagnostic and therapeutic decision-making. Quantitative analysis of the MV using RT3DE has increased our understanding of the pathologic mechanism of degenerative, ischemic, functional, and rheumatic MV disease. Most recently, 3D morphologic quantification has entered into clinical use to provide more accurate diagnosis of MV disease and for plannin...

show abstract

Section: Rheumatic MV Diseasementioning

confidence: 99%

Quantification of Mitral Valve Morphology With Three-Dimensional Echocardiography

Lee

Fang

Jin

et al. 2014

Circ J

View full text Add to dashboard Cite

show abstract

“…Moreover, at follow up those treated surgically were less likely to have continued depressed contractility than those treated medically [32]. We continue to use these analyses as well as two-and three-dimensional [34] echocardiographic assessment of the mechanism of valve regurgitation to decide timing of surgical intervention, and the likelihood and planning of valve repair.…”

Section: Management Of Cardiac Failure In Arfmentioning

confidence: 94%

Rheumatic Heart Disease in Indigenous Populations—New Zealand Experience

Wilson

2010

Heart, Lung and Circulation

View full text Add to dashboard Cite

“…Magnetic tracking systems have been used to characterize annular shape changes in the normal and regurgitant mitral valve 100 ; functional MR was found to be associated with annular dilation and reduced cyclic variation in the annular shape and area. Morphologic features of the regurgitant rheumatic mitral valve 101 have also been evaluated with this technique, suggesting that a shortening of the interchordal angle (the angle between the anterior and posterior chordae) may contribute to the pathology of this disease. The severity of mitral regurgitation has been found to be a function of the shape of the mitral valve apparatus (annular dilation and dilation of the anterior and anterolateral left ventricular wall) by Aikawa and coworkers.…”

Section: Mitral Valve Pathologymentioning

confidence: 99%

Three-Dimensional Echo: Transition from Theory to Real-Time, A Technology Now Ready for Prime Time

Houck

Cooke

Gill

2005

Current Problems in Diagnostic Radiology

View full text Add to dashboard Cite

Morphologic features of the rheumatic mitral regurgitant valve by three-dimensional echocardiography

Cited by 10 publications

References 26 publications

Quantification of Mitral Valve Morphology With Three-Dimensional Echocardiography

Quantification of Mitral Valve Morphology With Three-Dimensional Echocardiography

Rheumatic Heart Disease in Indigenous Populations—New Zealand Experience

Three-Dimensional Echo: Transition from Theory to Real-Time, A Technology Now Ready for Prime Time

Contact Info

Product

Resources

About