Valvular & structural heart disease
Prevention of left ventricular outflow tract obstruction in transapical mitral valve replacement: the MitraCut procedure
Authors' conclusion
The MitraCut procedure was effective and reproducible for preventing potential LVOT obstruction in TA-TMVR patients during its initial exploration in 6 European hospitals.
Study context
- Population
- High-risk patients undergoing transapical transcatheter mitral valve replacement (TA-TMVR)
- Participants
- 13 patients
- Outcome
- Technical success, procedural details and outcome
Methodological details6 European centres
- 6 European centres
Main finding
As reported in the abstract
Technical success
| Group | Value | Completed with 1 cutting attempt | 2 cutting attempts | Procedure duration |
|---|---|---|---|---|
| MitraCut | 12/13 | 11 | 2 | 9.0±5.4 min |
MitraCut
Value12/13
Completed with 1 cutting attempt11
2 cutting attempts2
Procedure duration9.0±5.4 min
Observational data: associations, not effects.
Further findings
Mean left ventricular outflow tract (LVOT) gradient · directly after valve expansion
- Mean LVOT gradient, mean ± SD (mmHg)
- 3.9±4.4 mmHg
Mean LVOT gradient · mean follow-up
- Mean LVOT gradient, mean ± SD (mmHg)
- 3.6±3.1 mmHg
Procedure duration
- Average MitraCut procedure duration
- 9.0±5.4 min
- Completed with 1 cutting attempt
- 11
- 2 cutting attempts
In-hospital and 30-day mortality
- In-hospital and 30-day mortality
- 0%
- Death at 47 days due to cardiac arrhythmia, unrelated to the anterior mitral leaflet (AML)-directed procedure
- 1
- Mean follow-up 52±34 days
Safety
| Outcome | Values |
|---|---|
| MitraCut-related PVL | MitraCut 1 events · Reintervention (interventional PVL closure) 1 |
Original publication
Prevention of left ventricular outflow tract obstruction in transapical mitral valve replacement: the MitraCut procedure. EuroIntervention. Published 18 November 2024. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →