Percutaneous mitral balloon valvuloplasty (PMBV) has been frequently used as an alternative to open or closed surgical mitral commissurotomy for the treatment of selected patients with symptomatic rheumatic mitral stenosis. PMBV has been proven a safe and effective method, often performed under fluoroscopic guidance. With the advent of three-dimensional echocardiography (3DE), interventional cardiologists have been able to successfully perform complex procedures such as paravalvular leak closure, transcatheter edge-to-edge repair of the mitral valve (MV) using MitraClip, etc. With the expertise derived from these procedures, 3DE has received considerable interests in many other procedures, including PMBV. Pre-, intra-, and postprocedural assessments of the mitral valve (MV) area; commissural splitting; the presence, degree, and location of mitral regurgitation; and other procedure-related complications can be more accurately and readily made using 3DE. In addition, real-time 3D transesophageal echocardiography has been proven to be more accurate than two-dimensional (2D) techniques in identifying specific MV abnormalities associated with complex diseases. Moreover, real-time 3DE offers the advantage of shorter fluoroscopy and radiation times throughout PMBV. This article reviews the use of 3DE during PMBV in light of the most recent literature and based on expertise and discusses the pros and cons of 3DE, with emphasis on its superiority to conventional 2D echocardiography.

Three-dimensional Echocardiography during Percutaneous Mitral Balloon Valvuloplasty

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