Sizing-sTrategy of Bicuspid AoRtic Valve Stenosis With Transcatheter Self-expandable Valve

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The Aortic+Mitral TRAnsCatheter (AMTRAC) Valve Registry CardioCel Tri-leaflet Repair Study Freedom SOLO Stentless Heart Valve Study Reobtain Coronary Ostia Cannulation Beyond Transcatheter Aortic Valve Stent (RE-ACCESS) Comparison of Sutureless Vs. Standard Biological Prostheses for Surgical Aortic Valve Replacement Primary Non-invasive Cardiac Computed Tomography Versus Routine Invasive Angiography Prior to TAVI Assessment of Paravalvular Leak After TAVI by Hemodynamic Measurements and Cardiac MRI Oxygenation of the Cerebrum and Cooling During Transcatheter Aortic Valve Implantation (TAVI) Procedures – Part II Pressure Assessment to Improve Outcomes After TAVR: a Registry Von Willebrand Factor As a Biological Sensor of Blood Flow in Percutaneous Cardiac Procedure Prevalence and Significance of Mutations in Genes Encoding NaPi-co-transporters in the Development of CAVD Functional and Quality of Life Improvement Following Transcatheter Heart Valve Implantation Comparative Imaging Assessment of Valvular Heart Disease The Effect of Remote Ischemic Preconditioning in Aortic Valve Replacement Surgery Optimal Timing of Transcatheter Aortic Valve Implantation and Percutaneous Coronary Intervention – The TAVI PCI Trial Von Willebrand Factor Point-of-care Testing to Improve Minimally Invasive TAVI Outcomes The PARTNER 3 – AVIV Trial Treatment of Concomitant Mitral Regurgitation by Mitral Valve Clipping in Patients With Successful Transcatheter Aortic Valve Implantation. Open-label, Randomized Trial in Participants Undergoing TAVR to Determine Safety & Efficacy of Bivalirudin vs UFH Dual AntiPlatelet Therapies for Prevention of Periinterventional Embolic Events in TAVI The Italian Society of Invasive Cardiology Registry on Percutaneous Aortic Valve German TAVI-Register EDWARDS INTUITY Valve System FOUNDATION Study Anticoagulant Versus Dual Antiplatelet Therapy for Preventing Leaflet Thrombosis and Cerebral Embolization After Transcatheter Aortic Valve Replacement Transcatheter Aortic Valve Replacement to UNload the Left Ventricle in Patients With ADvanced Heart Failure (TAVR UNLOAD) Does Cardiac REhabilitation Improve Functional, Independence, Frailty and Emotional outCOmes Following Trans Catheter Aortic ValvE Replacement? Effect of Steroids on Cerebral Inflammation and Neuronal Damage After Surgical Aortic Valve Replacement Remote Ischemic Preconditioning for Renal Protection in TAVI Avr Thrombosis OutcoMe Study PRospective Observation of Aortic reGuRgitation aftEr TAVI and progreSS Over Time: PROGRESS PVL Registry Virtual Reality Assisted Conscious Sedation During TAVI The Aortic Valve DECalcification (AVADEC) Trial Influence of EPICardial Adipose Tissue in HEART Diseases: EPICHEART Study Three Dimensional Imaging and Wireless Technologies to Enhance Medical Care in Space Personalized Activity Intervention in Rehabilitation After Cardiac Operations (the PACO Trial) Comparison of Two Biological Aortic Valves. Mosaic Ultra and Trifecta. Long Term Follow-up of the 23mm Portico™ Aortic Valve Implant and the St. Jude Medical Transfemoral Delivery System Remote Ischemic Preconditioning in Aortic Valve Surgery REST Study: Left Ventricular Regression European Study Concentration of Plant Sterols in Serum and Aortic Valve Cusps Non-Contrast Magnetic Resonance Angiography Assessment of Patients Referred for Transcatheter Aortic Valve Implantation CGA-TAVI Registry to Evaluate the Predictive Value of a CGA in Predicting TAVI Outcomes Characterization and Role of Mutations in Sodium-phosphate Cotransporters in Patients With Calcific Aortic Valve Disease Engager Direct Aortic Clinical Study A Pilot Study to Evaluate the Safety and Efficacy of the Apica Access, Stabilization and Closure (ASC™) Device Coronary and Structural Interventions – Transcatheter Aortic Valve Replacement Post-Market Surveillance Registry to Monitor Performance and Safety of V8 Device Protection by Remote Ischemic Preconditioning During Transcatheter Aortic Valve Implantation DEFLECT II: A Study to Evaluate the Safety and Performance of the TriGuard™HDH in Patients Undergoing TAVR Desflurane-induced Myocardial Protection Retrospective Analysis of Procedural Aspects of Transcatheter Aortic Valve Implantation (TAVI) on Peri-procedural Stroke The Pacing vs No Pacing Study – PNP Study Impact of Postdilatation With the InterValve V8 Aortic Valvuloplasty Balloon Following TAVI Procedure A Clinical Evaluation of the HYDRA Self Expanding Transcatheter Aortic Valve Everyday Practice With Transcatheter Aortic Valve Implantation The Multidisciplinary, Multimodality, But Minimalist Approach to Transfemoral Transcatheter Aortic Valve Replacement Assessment of the St Jude Medical Portico Resheathable Aortic Valve System-Alternative Access A Trial to Assess the Safety and Efficacy of Prophylactic TicagrelOr With Acetylsalicylic Acid Versus CLopidogrel With Acetylsalicylic Acid in the Development of Cerebrovascular EMbolic Events During TAVI Can Rehabilitation After TAVI Precipitate Recovery and Improve Prognosis Evaluation of the BARD® True™ Flow Valvuloplasty Perfusion Catheter for Aortic Valve Dilatation TAVI Without Balloon Predilatation (of the Aortic Valve ) SAPIEN 3 Manta™ Versus Suture-based Closure After Transcatheter Aortic Valve Implantation Trial REPRISE IV: LOTUS Edge Valve System in Intermediate Surgical Risk Subjects Safety and Feasibility of Early Discharge for Transfemoral Transcatheter Aortic Valve Replacement The Prospective Segeberg TAVI Registry Prehabilitation for Patients Undergoing Transcatheter Aortic Valve Replacement Inflammatory Response to Aortic Valve Replacement Risk Factors Associated With Calcification of the Aortic Valve Vascular Closure Device in Transcatheter Aortic Valve Replacement Comparison of Transaxillary and Transfemoral Fully-percutaneous Approaches for Transcatheter Aortic Valve Implantation Hamburg AoRtic Valve cOhoRt Analgesia in Patients Undergoing Transfemoral Transcatheter Aortic Valve Implantation (TF-TAVI) Transcatheter Heart Valve (THV) Sizing and Leakage After Transcatheter Aortic Valve Implantation (TAVI) Before and After Establishing Routine Preprocedure Multi Slice Computerized Tomography (MSCT) Aortic Assessment. A Retrospective Registry Study ROUTE Registry Of the Utilisation of the Transaortic (Tao) TAVI Approach Using the Edwards Sapien XT Valve The Medtronic CoreValve™ Evolut R™ CE Mark Clinical Study Microembolic Signals and Cerebrospinal Fluid Markers of Neuronal Damage After Surgical Aortic Valve Replacement Direct Aortic vs Subclavian Access for TAVI: a Review of the Outcomes in the UK Self-Centering Guide Catheter Feasibility Study Dedicated Sheath Feasibility Study Feasibility And Safety of Early Discharge After Transfemoral Transcatheter Aortic Valve Implantation Left Atrial Appendage CLOSURE for the Prevention of Thromboembolisms in Patients Undergoing Aortic Bioprosthesis Surgery Low-dose-contrast Cardiac Computed Tomography CoreValve Evolut Pro Registry 18-F Sodium Fluoride (18F-NaF) PET for the Assessment of Bioprosthetic Aortic Valve Durability and Outcomes Conscious Sedation vs General Anesthesia in TAVR Patients Association of Type of Anesthetic and Outcomes in Transfemoral Aortic Valve Replacement Temporary Pacemaker in Transcatheter Aortic Valve Implantation Patients Inflammatory Response in Aortic Valve Replacement CoreValve Advance-II Study: Prospective International Post-market Study Impact of Home-based Cardiac Rehabilitation on Outcomes After TAVR Cardiac Magnetic Resonance Imaging Versus Computed Tomography to Guide Transcatheter Aortic Valve Replacement EDWARDS INTUITY Elite Valve System Clinical and Geriatric Assessment in Elderly Patients Before and After TAVI or MitraClip Positioning Safety and Effectiveness of Edwards Lifesciences SAPIEN 3 Transcatheter Heart Valve (THV) in the Chinese Population Safety and Effectiveness of Edwards Lifesciences SAPIEN XT THV in the Chinese Population Physical Activity in Patients After Aortic Valve Replacement (Valve-ex) Portico Re-sheathable Transcatheter Aortic Valve System US IDE Trial Rotterdam EDOXaban Leaflet Evaluation in Patients After Transcatheter Aortic Valve Implantation The preDIlatation in tRanscathEter aortiC Valve implanTation Trial Transfemoral Placement of Aortic Balloon Expandable Transcatheter Valves Trial (Europe) Non-invasive Blood Pressure and Cardiac Output Measurement by Using Applanation Tonometry Surgical Trauma After Partial Upper Hemisternotomy Versus Full Sternotomy Aortic Valve Replacement Platelet Reactivity After TAVI: A Multicenter Pilot Study Placement of Aortic Balloon Expandable Transcatheter Valves Trial (TransApical) Direct Left Ventricular Rapid Pacing Via the Valve Delivery Guide-wire in TAVI Assessments of Thrombus Formation in TAVI Aortic Valve and Root Measurements Under Real-Time 3-Dimensional Visualization During Angiography TAVI Protocol – Paravertebral Block Study Evaluate the Transcatheter Artificial Aortic Valve and Transcatheter Artificial Heart Values Delivery System ADVANCE Direct Aortic Study German Aortic Valve Registry Transmural Systems Transcaval Closure Device for Transcaval Access Ports During Transcatheter Aortic Valve Replacement Transfemoral Transcatheter Aortic Valve Implantation With or Without Predilation of the Aortic Valve (EASE-IT TF) Sizing of the PERCEVAL® Sutureless Aortic Valve Prosthesis Using the CT: a Feasibility Study A STEP for Patients Prior to Undergoing TAVR: A Pilot Study Balloon Expandable Transcatheter Aortic Valve Implantation Without Predilation of the Aortic Valve Left Ventricular Reverse Remodeling In Aortic Valve Replacement With Single Strip Pericardium Versus Mechanical Valve Engager Align Post-market Clinical Study Improved HRV, Inflammation Markers and Endothelial Function After TAVI Diagnostic Three Dimensional Echocardiography Study Protocol DEFLECT III: A Prospective, Randomized Evaluation of the TriGuard™ HDH Embolic Deflection Device During TAVI Subclinical Aortic Valve Bioprosthesis Thrombosis Assessed With 4D CT The Asian Pacific TAVR Multicenter Registry Safety and Performance of TAVI of Venus MedTech Aortic Valve Prosthesis Multi Modal Cardiac Imaging Prior Transcatheter Aortic Valve Implantation Surgical Treatment of Aortic Stenosis With a Next Generation, Rapid Deployment Surgical Aortic Valve Added Value of Patient-specific Computer Simulation in Transcatheter Aortic Valve Implantation (TAVI) Transcatheter Aortic Valve Replacement System Pivotal Trial Cerebrovascular EveNts in Patients Undergoing TranscathetER Aortic Valve Implantation With Balloon-expandable Valves Versus Self-expandable Valves. Home-Based Exercise Program For Recovery After Transcatheter Aortic Valve Replacement Microembolic Signals and Serum Markers of Neuronal Damage During Transcatheter Aortic Valve Implantation. CHANGE Neo™ TA Registry With ACURATE Neo™ Aortic Bioprosthesis and ACURATE Neo™ TA Transapical Delivery System FORWARD PRO Study Interventional Post-market Study With the Evolut™ PRO System SMT Embolic Deflection CE Mark Trial DEFLECT I Echocardiographic Assessment of Cardiovascular Changes in Long Term Space Flight Nitinol Circular Blade Functional Assessment In TAVI: FAITAVI CoreValve VIVA Study Evaluation of the Clinical Outcomes of CoreValve in Degenerative Surgical Aortic Bioprosthesis. POLESTAR Trial – An International Multi-center Early Discharge TAVI Program REPRISE EDGE 29 mm EU Study The CONFIDENCE Registry Interest of Cardiac Computed Tomography to Optimize and Improve the Procedure of TAVI Transapical Implantation of the Medtronic Engager Transcatheter Aortic Valve Implantation System – The Engager European Pivotal Trial Post-Market Follow-up of the CENTERA Transcatheter Heart Valve System SecOnd-generation seLf-expandable Versus Balloon-expandable Valves and gEneral Versus Local Anesthesia in TAVI Balloon Aortic Valvuloplasty During Surgical Aortic Valve Replacement The PROTEMBO SF Trial Adjuvant Radiation in Aortic Valvuloplasty – ARAVA Value of Oral Phytate (InsP6) in the Prevention of Progression of the Cardiovascular Calcifications Supra-Annular vs. Annular ValvEs for Small Annuli Heart Leaflet Technologies Valve Study A Study to Evaluate the Neuro-embolic Consequences of TAVR Femoral vs Radial Approach and MRI Evaluation of Strokes Mortality Post-TAVI and Correlation With Haemodynamic Parameters. Pilot Study of Cognitive and Functional Outcomes Following TAVI Neuropsychological Testing in Patients Undergoing Transvascular Aortic Valve Implantation Costs, Cognitive Abilities and Quality of Life After Transcatheter Aortic Valve Implantation and Surgical Aortic Valve Replacement SOURCE XT REGISTRY Imaging Histone Deacetylase in the Heart A pragmatiC sTrategy to Promote actIVity and Enhance Quality of Life AFTER Transcatheter Aortic Valve Replacement The PARTNER II Trial: S3iCAP Symetis ACURATE Neo™ Valve Implantation SAVI TF Registry X-ray Fluoroscopy Fused With Computed Tomography (XFC) Technical Development First in Man Study of the JenaValve TAVI Plus System Transfemoral Evaluation of Fractional Flow Reserve Calculated by Computed Tomography Coronary Angiography in Patients Undergoing TAVR Ascending Aortic Dilation in BiAV After TAVR Safety and Performance Study of the Optimum Transcatheter Aortic Valve Transcatheter Aortic Valve Replacement With Extracorporeal Life System Support The TransCatheter Valve and Vessels Trial TAVR Without Predilatation Safety and Efficacy Study of MicroPort’s Transcatheter Aortic Valve and Delivery System for TAVI Enable® Aortic Sutureless Bioprosthesis Evaluation Radiation Following Percutaneous Balloon Aortic Valvuloplasty to Prevent Restenosis Myocardial Flow Reserve in Severe AS Without Obstructive Coronary Artery Disease Clinical Significance of Collagen Metabolism Changes in Left Cardiac Ventricle Medtronic CoreValve Evolut R U.S. Clinical Study (Evolut 34R Addendum) HLT transfemOral Replacement of aortIc Valve Via transcatherteriZatiON CANADA Aortic Stenosis Pre-Transcatheter Aortic Valve Replacement (TAVR) Procedure CT Scan PREVAIL-20J – Transfemoral Placement of 20mm Aortic Balloon Expandable Transcatheter Valve Trial RESPOND EDGE Post Market Study Impact of SAVR and TAVR on Patient’s Activity and Mobility BIOVALVE – I / II Clincial Investigation Comparison of Blood and Crystalloid Cardioplegia Ventriculo-arterial Coupling Modification Evaluated by PRAM During TAVI Procedure CoreValve Advance International Post Market Study HLT transfemOral Replacement of aortIc Valve Via transcatherteriZatiON SWISS TAVI Registry CoreValve™ Evolut R™ FORWARD Study Transfemoral Replacement of Aortic Valve With HLT MeriDIAN Valve Early Feasibility Trial Follow-up After TAVR Without Systematic Intensive Care Unit Admission ACURATE NEO/TF Transcatheter Heart Valves and Non-inferiority Versus Medtronic CoreValve Systems CoreValve™ Evolut R™ 34 mm System Registry (CoreValve34) Inflammation and Thrombosis in Patients With Severe Aortic Stenosis After Transcatheter Aortic Valve Replacement (TAVR) ACURATE TA™ Valve Implantation Registry: SAVI 2 Colibri Transcatheter Aortic Heart Valve System Study HLT Meridian Valve CE Mark Trial Transfemoral Replacement of Aortic Valve With HLT MeriDIAN Valve Feasibility Trial CANADA Assessment of Arrhythmias in Patients Undergoing Transcatheter Aortic Valve Implantation Using a Small Insertable Cardiac Monitoring Device Reactive Oxygen Species Following Aortic Valve Replacement Biological Factors Associated With Subclinical Valvular Thrombosis Hemodynamic Comparison of Tissue Aortic Valves Volume Challenge Added to DSE in the Diagnosis of Severe LFLGAS Impact of Perioperative Treatment With Intravenous Glutamine on Myocardial Protection in Cardiac Surgery Patients With Aortic Stenosis The Effects of High Spinal Anesthesia on Heart Function, Stress Response and Pain Control in Aortic Valve Surgery A Clinical Trial of Transcatheter Aortic Valves in Dialysis Patients (Japan) Erythropoietin + Iron Therapy for Anemic Patients Undergoing Aortic Valve Replacement A Study Evaluating the Effects of Ataciguat (HMR1766) on Aortic Valve Calcification Efficacy of Angiotensin Receptor Blocker Following aortIc Valve Intervention for Aortic STenOsis: a Randomized mulTi-cEntric Double-blind Phase II Study Prehabilitation to Improve Functional and Clinical Outcomes in Patients With Aortic Stenosis Evaluation of Transcatheter Aortic Valve Replacement Compared to SurveilLance for Patients With AsYmptomatic Severe Aortic Stenosis Phono- and Electrocardiogram Assisted Detection of Valvular Disease The Medtronic TAVR 2.0 US Clinical Study PREVAIL-J – Transfemoral & Transapical Placement of Aortic Balloon Expandable Transcatheter Valves Trial (Japan) Regression of Myocardial Fibrosis After Aortic Valve Replacement Transcatheter Aortic Valve Replacement Versu Surgical Aortix Valve Replacement for Treating Elderly Patients With Severe Aortic Stenosis and Small Aortic Annuli: A Prospective Randomized Study The VIVA Trial ACURATE Neo™ AS Aortic Bioprosthesis for Implantation Using the ACURATE neoTM AS TF Transfemoral Delivery System in Patients With Severe Aortic Stenosis THE ALIGN-AS TRIAL: JenaValve Pericardial TAVR Aortic Stenosis Study Prognostic Impact of Myocardial Longitudinal Strain in Asymptomatic Aortic Stenosis: a Meta-Analysis Severe Aortic Valve Stenosis and Concomitant Coronary Artery Disease in Patients Undergoing TAVI Treatment of Aortic Stenosis in Brazil: Cost-Utility Analysis of TAVI vs SAVR Clinical Evaluation of MDT-2111 in Subjects With Small Aortic Annuli and Symptomatic Severe Aortic Stenosis Valvuloplasty Scoring Balloon Catheter First-in-Man Study Effect of Angiotensin II Receptor Blockers (ARB) on Left Ventricular Reverse Remodelling After Aortic Valve Replacement in Severe Valvular Aortic Stenosis Surgical Treatment of Aortic Stenosis With a Next Generation Surgical Aortic Valve Registry to Evaluate the Impact of a Valve Coordinator on Aortic Stenosis / TAVI Outcome – (German Pilot) Quality of Care in AS IMPULSE Study Biomarkers in Aortic Stenosis – B.A.S.S. CoreValve® System Australia/New Zealand Clinical Study The Role of Cardiac Mechanics, Biomarkers and Frailty in Aortic Stenosis High-Sensitivity Troponin T Plasma Levels in Patients With Aortic Stenosis (Tyrolean Aortic Stenosis Study-2) Role of Active Valvular Calcification and Inflammation in Patients With Aortic Stenosis Interest of Pulse Wave Velocity Measurement as a Predictor of Severity of Aortic Stenosis A Prospective Study of Fractional Flow Reserve Assessment of Intermediate Coronary Stenoses in Severe Aortic Stenosis Prospective Balloon Aortic Valvuloplasty Identification of Parameters in rapId-proGression Subgroup Patients With Moderate Aortic Stenosis RHEIA (Randomized researcH in womEn All Comers With Aortic Stenosis) Effects of High Dose Atorvastatin in Patients With Surgical Aortic Stenosis Early Surgery for Patients With Asymptomatic Aortic Stenosis Predicting Aortic Stenosis Progression by Measuring Serum Calcification Propensity Bicuspid Aortic Valve Stenosis and the Effect of vItamin K2 on Calciummetabolism on 18F-NaF PET/MRI Endothelial Progenitors in Aortic Stenosis: Association With Aortic Stenosis Progression and Severity Outcomes of Transcatheter Aortic Valve Implantation in Oncology Patients With Severe Aortic Stenosis Evaluation of BAV in Different Hemodynamic Entities of Severe AS Intravenous Iron Supplement for Iron Deficiency in Patients With Severe Aortic Stenosis The SAPIEN 3 Ultra System in Intermediate Risk Patients With Symptomatic Severe Aortic Stenosis Clinical Value of Stress Echocardiography in Moderate Aortic Stenosis CENTERA THV System in Intermediate Risk Patients Who Have Symptomatic, Severe, Calcific, Aortic Stenosis Requiring Aortic Valve Replacement Outcomes of Transcatheter Aortic Valve Implantation in Management of Severe Symptomatic Aortic Stenosis Safety and Efficacy of Lotus Valve For TAVI In Patients With Severe Aortic Stenosis In Chinese Population Rehabilitation in Aortic Stenosis Patients Aortic Stenosis Evaluated Via Modern Ballistocardiography and Seismocardiography Study of Platelet Activation by Severe Aortic Stenosis and Its Correction by Transcatheter Aortic Valve Implantation Sizing-sTrategy of Bicuspid AoRtic Valve Stenosis With Transcatheter Self-expandable Valve The Plasma Serotonin and Aortic Stenosis: a Pilot Study. 18F-NaF Uptake and Aortic Stenosis Progression Cardiovascular Rehabilitation in Patients With Severe Aortic Stenosis Submitted to Valvar Correction Aortic Stenosis and PhosphodiEsterase Type 5 iNhibition (ASPEN): A Pilot Study Clinical Outcome of Patients With Low-gradient Severe Aortic Stenosis Ultrasonic Markers for Myocardial Fibrosis and Prognosis in Aortic Stenosis Fetal Intervention for Aortic Stenosis and Evolving Hypoplastic Left Heart Syndrome The PARTNER 3 – Trial – The Safety and Effectiveness of the SAPIEN 3 Transcatheter Heart Valve in Low Risk Patients With Aortic Stenosis Ventricular Remodeling In Patients With Aortic Stenosis Assessed Echocardiography Podocan and Wnt Pathway in Left Ventricular Remodeling of Aortic Stenosis Preoperative Assessment of Aortic Valve Stenosis and Coronary Artery Disease Statin Therapy in Asymptomatic Aortic Stenosis Validation of the “TASQ” in Patients Undergoing SAVR or TF-TAVI Analysis and Comparative Evaluation of Aortic Calcium by Computed Tomography and Histopathology in Patients With Aortic Stenosis Improving Echo Measurements in the Diagnosis of Aortic Stenosis accuRate Evaluation of Benefit With Optimal Medical Treatment With or With-Out Transcatheter Valve Repair of PARADOXical Low Flow Low Gradient Aortic Stenosis – REBOOT-PARADOX Aortic Stenosis: Determinants and Prognostic Value of Preoperative Left Ventricular Remodeling After Valvular Replacement Randomized Study for the Optimal Treatment of Symptomatic Patients With Low Gradient Severe Aortic Valve Stenosis and Preserved Left Ventricular Ejection Fraction Microvascular Dysfunction in Aortic Stenosis Percutaneous Aortic Valve 18F System for the Treatment of Patients With Severe Aortic Stenosis Determination of the Acute Effects of Aortic Stenosis on Coronary Artery Haemodynamics Mechanism of Decompensation Evaluation – Aortic Stenosis Speckle Tracking Imaging in Patients With Low Ejection Fraction Aortic Stenosis (SPArKLE-AS) A Comparison of Advanced Imaging Techniques in Aortic Stenosis Aortic Valve Replacement Versus Conservative Treatment in Asymptomatic Severe Aortic Stenosis Microparticles in Severe Aortic Stenosis Aortic Stenosis and PhosphodiEsterase iNhibition With Aortic Valve Replacement (ASPEN-AVR): A Pilot Study An Investigational Drug on Clinical Outcomes in Patients With Aortic Stenosis (Narrowing of the Major Blood Vessel of the Heart)(MK-0653A-043 AM4)(COMPLETED) Clinical Evaluation of MDT-2111 in Subjects With Symptomatic Severe Aortic Stenosis Acute Hemodynamic Effects of Sildenafil in Patients With Severe Aortic Stenosis Transapical Transcatheter Treatment Versus Conventional 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Brief Title

Sizing-sTrategy of Bicuspid AoRtic Valve Stenosis With Transcatheter Self-expandable Valve

Official Title

A Prospective, Multi-center,Randomized Controled Trial of Sizing-strategy of Bicuspid Aortic Valve Stenosis With Transcatheter Self-expandable Valve

Brief Summary

      To observe the clinical outcomes of the different valve sizing strategies treating type-0
      Bicuspid Aortic Stenosis (BAS) with self-expandable transcatheter aortic valve implantation
      (TAVI) valve, compared with those of a standard sizing strategy of normal Tricuspid Aortic
      Stenosis(TAS).

Detailed Description

      BACKGROUND: From our current clinical experience, investigators mostly choose the smaller
      self-expandable transcatheter valve for type-0 BAS than that for TAS, combined with "balloon
      sizing" strategy. But no prospective and randomized studies show the rationality and clinical
      outcomes of different sizing strategies of type-0 BAS with self-expandable transcatheter
      valve.

      AIM: To observe the clinical outcomes of the different valve sizing strategies treating
      type-0 BAS with self-expandable transcatheter aortic valve implantation (TAVI) valve,
      compared with those of a standard sizing strategy of normal TAS.

      POPULATION: All patients with severe degenerative aortic valve stenosis referred for aortic
      valve intervention will be screened for study eligibility. To be included subjects must be 65
      years or older, anatomical and technical eligible for both interventions, expected to survive
      more than 1 year after the intervention, and able to provide written informed consent. Study
      exclusion criteria include isolated aortic valve regurgitation or other significant valve
      disease, unstable preoperative condition.

      DESIGN: The project is a multicenter randomized clinical trial. Patients of type-0 BAS
      fulfilling all inclusion and no exclusion criteria will be randomized into either Down sizing
      group or Standard sizing group. Randomization will be 1:1 with 53 subjects in each group.
      Meanwhile patients of TAS fulfilling all inclusion and no exclusion criteria will be included
      as a Standard group in this study. Screening and inclusion will commence in September 2015.
      Inclusion is expected to last 3 years, and subjects will be followed for 5 years.

Study Phase

Phase 3

Study Type

Interventional

Primary Outcome

Number of participants with Device success

Secondary Outcome

 All-cause mortality and all stroke (disabling and non-disabling)

Condition

Aortic Valve Stenosis

Intervention

Down sizing valve in type-0 BAS

Study Arms / Comparison Groups

 Down sizing valve in type-0 BAS
Description:  Down Sizing Transcatheter Self-expandable Valve in Type-0 BAS

Publications

* Includes publications given by the data provider as well as publications identified by National Clinical Trials Identifier (NCT ID) in Medline.

Recruitment Information

Recruitment Status

Device

Estimated Enrollment

159

Start Date

September 2015

Completion Date

September 2023

Primary Completion Date

September 2018

Eligibility Criteria

        Inclusion Criteria:

          1. Patients with symptomatic severe aortic stenosis (echocardiographic criteria: AV
             effective orifice area (EOA) of < 1 cm2, mean AV gradient of > 40 mmHg, or AV peak
             systolic velocity of > 4.0 m/s; NYHA-class II or greater, angina pectoris, or syncope)

          2. Subject has been informed of the nature of the study, agrees to its provisions and has
             provided written informed consent.

          3. The subject agrees to comply with specified follow-up evaluations and to return to the
             investigational site where the procedure was performed.

          4. Patients are technical and anatomical eligible for interventions

        Exclusion Criteria:

          1. A known hypersensitivity or contraindication to any of the following which cannot be
             adequately pre-medicated:

               -  Aspirin

               -  Heparin (HIT/HITTS) and bivalirudin

               -  Nitinol (titanium or nickel)

               -  Ticlopidine and clopidogrel

               -  Contrast media

          2. Subject refuses a blood transfusion.

          3. Other medical, social, or psychological conditions that in the opinion of an
             Investigator precludes the subject from appropriate consent.

          4. Native aortic annulus size < 20 mm or > 29 mm per the baseline diagnostic imaging.

          5. Life expectancy is less than one year

Gender

All

Ages

65 Years - N/A

Accepts Healthy Volunteers

No

Contacts

Jian-an Wang, MD,PhD, +86-13857173887, [email protected]

Location Countries

China

Location Countries

China

Administrative Informations

NCT ID

NCT02541877

Organization ID

SAHZJU CT004

Responsible Party

Sponsor-Investigator

Study Sponsor

Jian'an Wang,MD,PhD

Study Sponsor

Jian-an Wang, MD,PhD, Principal Investigator, Second Affiliated Hospital Zhejiang University School of Medicine

Verification Date

September 2015