Transcatheter Microguidewire Drilling for Transseptal Left Atrial Access
Conditions
- Heart Diseases
- Atrial Septal Dilatation
Interventions
- DEVICE: Transseptal puncture with Brockenbrough-needle
- DEVICE: Microguidewire-assisted transseptal puncture
Sponsor
China National Center for Cardiovascular Diseases