Patients with postoperative death
| Patient number | Sex | Age at surgery (years) | Preoperative diagnosis | Valve position | Surgery type | Period of postsurgery follow-up | Comment |
| 29 | M | 8 | Pure MR | Mitral | Bioprosthetic valve replacement | 5 years | Died of severe calcification of biological valve |
| 33 | F | 14 | Mixed MR and TR | Mitral tricuspid | Bioprosthetic valve replacement | 4.1 years | Died due to serve LV dysfunction and AF |
| 34 | F | 16 | Pure MR | Mitral | Bioprosthetic valve replacement | 2.4 years | Died of severe calcification of biological valve |
| 35 | M | 15 | MR and TR | Mitral tricuspid | Mitral Bioprosthetic valve replacement and TV repair | 4 months | Died of infective endocarditis 3 months post surgery |
AF, atrial fibrillation; F, female; LV, left ventricle; M, male; MR, mitral regurgitation; TR, tricuspid regurgitation; TV, tricuspid valve.