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. 2021 May 27;8(1):G87–G136. doi: 10.1530/ERP-20-0034

Table 9.

Unfavourable parameters for percutaneous MV repair.

Unfavourable parameters for MitraClip: primary MR Unfavourable parameters for MitraClip: secondary MR
Large flail gap: separation of prolapsing segment from opposing leaflet >10 mm LV end diastolic (18) (LVED) dimensions >70 mm
Flail width (size of prolapsing segment) >15 mm LVED volume >200 mL
Small MV orifice <4 cm2 LVED volume index >96 mL/m2
Posterior leaflet length:
 Ideally >10 mm
 Can be considered >6 mm