NCT06753227

Brief Summary

The aim of this prospective registry is to compare invasive versus echocardiography-derived transvalvular gradients before and after TAVI with balloon-expandable THVs.All patients will undergo a transthoracic echocardiogram in the operating room prior to aortic valve implantation. In addition, two catheters (one in the ventricle and one in the aorta) will be used to invasively measure the transvalvular gradient both before and after aortic valve implantation. The invasive measurements will be performed in different positions of the ventricle and aorta simultaneously. At the end of the procedure, aortic gradient measurement by echocardiography shall be performed again. A maximal three months follow-up is expected.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
250

participants targeted

Target at P75+ for all trials

Timeline
0mo left

Started May 2024

Geographic Reach
1 country

1 active site

Status
enrolling by invitation

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress97%
May 2024May 2026

Study Start

First participant enrolled

May 28, 2024

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

December 22, 2024

Completed
9 days until next milestone

First Posted

Study publicly available on registry

December 31, 2024

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2025

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 31, 2026

Expected
Last Updated

December 31, 2024

Status Verified

December 1, 2024

Enrollment Period

1.6 years

First QC Date

December 22, 2024

Last Update Submit

December 22, 2024

Conditions

Keywords

invasive gradientshaemodynamicsaortic valve stenosisechocardiographic gradients

Outcome Measures

Primary Outcomes (1)

  • To compare transvalvular echocardiographic aortic mean vs. invasive aortic mean gradient after TAVI.

    From enrollment to 3 months

Secondary Outcomes (3)

  • To compare transvalvular echocardiographic aortic mean vs. invasive aortic mean gradient before TAVI.

    From enrollment to 3 months

  • To compare pulse-wave Doppler above the aortic valve before and after TAVI

    From enrollment to 3 months

  • To compare pre-ejection period time pre and post TAVI.

    From enrollment to 3 months

Study Arms (1)

Patients with severe aortic valve stenosis requiring transcatheter aortic valve implantation

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

All consecutive patients with severe aortic valve stenosis undergoing TAVI with balloon-expandable transcatheter heart valves (THV).

You may qualify if:

  • Age ≥ 18 years and able to give consent
  • Severe symptomatic native aortic valve stenosis with indication for TAVI according to 2021 ESC/EACTS Valvular Heart Disease Guidelines.
  • Use of balloon-expandable THV
  • Written informed consent

You may not qualify if:

  • Emergency or urgent treatment indication
  • Patients under hemodynamically unstable conditions.
  • Previous bioprosthetic aortic valve implantation
  • Patient cannot adhere to or complete the trial protocol for any reason

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Deutsches Herzzentrum München

Munich, Bavaria, 80636, Germany

Location

Related Publications (5)

  • Reddy YNV, Miranda WR, Nishimura RA. Measuring Pressure Gradients After Transcatheter Aortic Valve Implantation: Rethinking the Bernoulli Principle. J Am Heart Assoc. 2021 Oct 5;10(19):e022515. doi: 10.1161/JAHA.121.022515. Epub 2021 Sep 29. No abstract available.

    PMID: 34585620BACKGROUND
  • Lancellotti P, Pibarot P, Chambers J, Edvardsen T, Delgado V, Dulgheru R, Pepi M, Cosyns B, Dweck MR, Garbi M, Magne J, Nieman K, Rosenhek R, Bernard A, Lowenstein J, Vieira ML, Rabischoffsky A, Vyhmeister RH, Zhou X, Zhang Y, Zamorano JL, Habib G. Recommendations for the imaging assessment of prosthetic heart valves: a report from the European Association of Cardiovascular Imaging endorsed by the Chinese Society of Echocardiography, the Inter-American Society of Echocardiography, and the Brazilian Department of Cardiovascular Imaging. Eur Heart J Cardiovasc Imaging. 2016 Jun;17(6):589-90. doi: 10.1093/ehjci/jew025. Epub 2016 May 3.

    PMID: 27143783BACKGROUND
  • Herrmann HC, Laskey WK. Pressure loss recovery in aortic valve stenosis: Contemporary relevance. Catheter Cardiovasc Interv. 2022 Jan 1;99(1):195-197. doi: 10.1002/ccd.29729. Epub 2021 Apr 22.

    PMID: 33886155BACKGROUND
  • Abbas AE, Mando R, Kadri A, Khalili H, Hanzel G, Shannon F, Al-Azizi K, Waggoner T, Kassas S, Pilgrim T, Okuno T, Camacho A, Selberg A, Elmariah S, Bavry A, Ternacle J, Christensen J, Gheewala N, Pibarot P, Mack M. Comparison of Transvalvular Aortic Mean Gradients Obtained by Intraprocedural Echocardiography and Invasive Measurement in Balloon and Self-Expanding Transcatheter Valves. J Am Heart Assoc. 2021 Oct 5;10(19):e021014. doi: 10.1161/JAHA.120.021014. Epub 2021 Sep 29.

    PMID: 34585593BACKGROUND
  • Abbas AE, Mando R, Hanzel G, Gallagher M, Safian R, Hanson I, Almany S, Pibarot P, Dalal P, Vivacqua A, Sakwa M, Shannon F. Invasive Versus Echocardiographic Evaluation of Transvalvular Gradients Immediately Post-Transcatheter Aortic Valve Replacement. Circ Cardiovasc Interv. 2019 Jul;12(7):e007973. doi: 10.1161/CIRCINTERVENTIONS.119.007973. Epub 2019 Jul 5. No abstract available.

    PMID: 31272227BACKGROUND

MeSH Terms

Conditions

Aortic Valve DiseaseAortic Valve Stenosis

Condition Hierarchy (Ancestors)

Heart Valve DiseasesHeart DiseasesCardiovascular DiseasesVentricular Outflow Obstruction

Study Officials

  • Michael Joner, Professor Dr. med.

    Deutsches Herzzentrum München

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
3 Months
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 22, 2024

First Posted

December 31, 2024

Study Start

May 28, 2024

Primary Completion

December 31, 2025

Study Completion (Estimated)

May 31, 2026

Last Updated

December 31, 2024

Record last verified: 2024-12

Locations