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Why Choose Hydra by SMT?
High procedural success rates and favorable clinical outcomes
Excellent hemodynamic performance and leaflet durability
Proven ease of use and accurate deployment
Designed to reduce calcification and extend valve life
Clinical Experience & Evidence
Hydra CE Study (n = 157 patients)
(Journal Reference: JACC: Cardiovascular Interventions, Jan 2022)
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Sustained single-digit mean aortic gradient up to 1 year
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Larger Effective Orifice Area (EOA) maintained through follow-up
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Excellent procedural success and long-term valve competence
Key Data Highlights:
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Pre-procedure gradient: 49.5 ± 18.5 mmHg
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30-day gradient: 8.0 ± 3.6 mmHg
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1-year gradient: 8.8 ± 4.7 mmHg
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1-year EOA: 1.9 ± 0.6 cm²
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P < 0.001 for all post-implant improvements
Ordering Information
Hydra Valve Sizes:
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HYDRA22 – 22 mm
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HYDRA26 – 26 mm
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HYDRA30 – 30 mm
All models feature bioprosthetic bovine pericardial leaflets with a supra-annular configuration.
Key Features of the Hydra TAVI System
Self-Expandable Nitinol Frame
Conforms precisely to the native aortic annulus with excellent radial strength.
Three Tentacle Design
Secures anatomical anchoring and stability post-deployment.
Large Frame Cells (≥15F)
Facilitates easy access to coronary arteries during future interventions.
Extended Sealing Skirt
Minimizes paravalvular leakage and improves long-term valve competence.
Supra-Annular Valve Leaflets
Optimized leaflet position enhances flow, reduces pressure gradient, and maintains valve shape in elliptical anatomies.
Single Bovine Pericardium Construction
Improved durability and performance with proprietary anti-calcification treatment.
SMT TAVI – Hydra
Treadstone Allianz Pvt. Ltd. proudly partners with Sahajanand Medical Technologies (SMT) to bring cutting-edge cardiovascular innovations to healthcare providers across India. Hydra is SMT’s flagship TAVI system, designed for minimally invasive aortic valve replacement — offering proven hemodynamic performance, excellent clinical outcomes, and streamlined deliverability.