Percutaneous mitral annuloplasty has been introduced as a potential alternative to mitral valve surgery. Appropriate evaluation of the coronary venous system and patient selection are key factors for successful device implantation and for avoiding procedural complications. Computed tomography plays a key role and should be systematically performed as a screening test in patients considered for the procedure. It allows precise assessment of the venous system anatomy and its relationship with the coronary arteries and with the mitral annulus. Venous angiography, performed during the procedure, provides useful complementary information. It confirms computed tomography’s findings, provides final measurements based on the size of the device that should be implanted and guides and monitors the procedure.
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