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Table 3 Mitral regurgitation in the study sample

From: 3D vena contracta area after MitraClip© procedure: precise quantification of residual mitral regurgitation and identification of prognostic information

MR aetiology Degenerative 34.5 (10/29)
Functional 65.5 (19/29)
MR grading III 17.2 (5/29)
IV 82.8 (24/29)
Vena contracta width [mm] Degenerative 7.30 ± 1.34
Functional 7.79 ± 2.04
ERO [cm2] median (P25;P75) Degenerative 0.45 (0.33; 0.61)
Functional 0.36 (0.27;0.60)
Number of implanted clips 1 51.7 (15/29)
2 48.3 (14/29)
  1. Percentage of subjects (number of subjects / total number of subjects in parentheses). MR mitral regurgitation, ERO effective regurgitant orifice calculated by the Proximal- isovelocity surface area (PISA) method