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Assessment of TRanscathetEr and Surgical Aortic BiOprosthetic Valve Thrombosis and Its TrEatment With Anticoagulation

Assessment of TRanscathetEr and Surgical Aortic BiOprosthetic Valve Dysfunction With Multimodality Imaging and Its TrEatment With Anticoagulation

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

* Presence of transcatheter or surgical bioprosthetic aortic valve implanted at least 48 hours prior to enrollment
* Age 18 years or older
* Ability to provide informed consent and follow-up with protocol procedures.

Exclusion Criteria:

* Renal insufficiency (creatinine \> 1.5 mg/dL)
* Known allergy to iodinated contrast agents

About the study

This is a prospective study designed to evaluate the structural and functional integrity of transcatheter or surgical bioprosthetic valves with multimodality imaging. The study further aims to confirm resolution of the early bioprosthetic valve thrombotic changes with anticoagulation.

What is being tested

• Warfarin (drug)

Sponsor: Cedars-Sinai Medical Center · Participants: 3,000 · Started: 2014-12

Contact the study team

• Tarun Chakravarty, MD · Phone: 3104233977

Official record on ClinicalTrials.gov — NCT02318342

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Oct 2, 2026. Each study sets its own eligibility; the study team decides who can join.