The purpose of this study is to evaluate the impact of isolated mitral valve annuloplasty on the geometry and the function of the tricuspid valve complex.
The proposed pathogenesis of functional tricuspid regurgitation (TR) in mitral valve disease seems incomplete. Because both atrioventricular valves are closely connected to each other by means of the cardiac fibrous skeleton, the geometry of the tricuspid valve is likely to be distorted after ring-annuloplasty of the mitral valve. This could lead to the development of functional TR, or to an increase in TR severity. To test this hypothesis, a prospective study will be started in patients undergoing isolated mitral valve annuloplasty.
Study Type
OBSERVATIONAL
Enrollment
22
Mitral valve annuloplasty by a rigid mitral ring, a semi-rigid ring, or a fully flexible band, at the surgeon's discretion
Postoperative geometric changes in tricuspid valve annulus (TA)
Measurement of changes in 3D descriptors of the TA (e.g. changes from baseline in the TA area of the best-fit plane in cm\^2, and changes from baseline in the height of each TA point to the TA best-fit plane in mm)
Time frame: day 0
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