Table 2.
Characteristics of included studies comparing mitral valve-in-valve versus redo surgical mitral valve replacement in patients with degenerated mitral prostheses.
| Simard et al,12 2022 | Zubarevich et al,11 2021 | Khan et al,9 2021 | Simonetto et al,6 2021 | Osman et al,13 2020 | Kamioka et al,10 2018 | Murzi et al,8 2017 | |
|---|---|---|---|---|---|---|---|
| Type of the study | Retrospective | Retrospective | Retrospective | Retrospective | Retrospective | Retrospective | Retrospective |
| Follow-up duration | 5 y | 3 y | In-hospital | 1 y | 30 d | 1 y | 2 y |
| Location | United States | Germany | United States | Italy | United States | United States | Italy |
| Number of centers | Single center | Single center | National registry | 4 centers | National registry | 3 centers | Single center |
| Sample size | 215 | 74 | 2745 | 78 | 1789 | 121 | 61 |
| TMVR access site | Transseptal (97.7%), transapical (2.3%) | Transapical (100%) | N/A | Transseptal (55%), transapical (45%) | N/A | Transseptal (77%), transapical (23%) | Transapical (100%) |
| TMVR valve type | SAPIEN, SAPIEN XT, SAPIEN 3, SAPIEN 3 Ultra | SAPIEN XT, SAPIEN 3 | N/A | N/A | N/A | SAPIEN, SAPIEN XT, SAPIEN 3 | SAPIEN XT, SAPIEN 3 |
TMVR, transcatheter mitral valve replacement; N/A; not available.