Fig 1.
MV geometric information from the 3D TEE data of a patient with ruptured posterior chordae tendineae.
(top) Volumetric en-face view of the MV, and (bottom) cross-sectional images of the annulus and leaflets in the antero-posterior (A-P) and anterolateral-posteromedial (Al-Pm) planes.
Fig 2.
Personalized computational modeling protocol for virtual MV repair to perform leaflet resection and annuloplasty ring implantation followed by dynamic simulation of MV function.
Fig 3.
Doppler ultrasound images and the corresponding 3D morphologies of the MV of the pathologic MV involving posterior chordal rupture.
Data shown at peak systole.
Fig 4.
Virtual quadrangular posterior leaflet resection and ring annuloplasty.
(A) Excision of the pre-defined leaflet tissue, (B) Virtual annular plication and suturing, (C) Virtual annuloplasty ring implantation.
Fig 5.
Stress distributions across the MV leaflets and annulus at peak systole.
(A) Stress distributions prior to and following virtual posterior leaflet resection, (B) Average stress values in six sub-regions of the MV leaflets.
Fig 6.
Quantitation of leaflet coaptation at peak systole.
(A) Leaflet contact distribution prior to and following virtual MV repair, (B) Coaptation lengths in the A1-P1, A2-P2, and A3-P3 planes.
Table 1.
Average chordal stresses in the four neighboring intact posterior chordae at peak systole before and after virtual resection and ring annuloplasty.
Fig 7.
Post-repair Doppler ultrasound data following the actual surgical repair (quadrangular resection and ring annuloplasty) to treat the posterior MV prolapse.