Echocardiography Guided TAVR (Echo TAVR)
Recruiting
Observational Study
Transcatheter Aortic Valve Replacemen
Echocardiography
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Sex
- Any
- Study type
- Observational
- Participants needed
- 20 (estimated)
- Sponsor
- Pan Xiangbin · Other
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About This Trial
Conventional transcatheter aortic valve replacement (TAVR) relies on fluoroscopic and contrast agents. However, in high-risk patients, exposure to ionizing radiation and contrast agents is contraindicated and undesirable. Echocardiography guidance TAVR can offer a feasible and safer strategy for TAVR.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
1. symptomatic severe AS determined by echocardiography and Doppler that requiring aortic valve replacement, which is defined as: mean gradient ≥40 mmHg, peak aortic velocity ≥4 m/s, and aortic valve area (AVA) ≤1 cm2 (or an indexed AVA ≤0.6 cm2/m2);
2. a history of malignancy o…
Contacts
Fengwen Zhang, MD
88396654
CONTACT