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Studying Heart Pouch Tissue and Blood Clots in Atrial Fibrillation Patients

Studies heart pouch tissue and blood from adults with atrial fibrillation during appendage closure surgery.

Plain-language title generated from the registry record
Registry title: Left Atrial Appendage Arrhythmogenic and Thrombogenic Substrate

Key facts

Where
Copenhagen, DenmarkSee the site

Where in Denmark

  • RigshospitaletCopenhagen, DenmarkTaking people

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Trial details

Who runs it
University Hospital Bispebjerg and Frederiksberg
Trial code
NCT06405750
Record updated
15 January 2026
Original description
The purpose of the project is to elucidate whether it is possible to identify which patients are at risk of forming blood clots that can cause stroke based on analysis of the electrocardiogram.Read full original descriptionShow less

Left Atrial Appendage Arrhythmogenic and Thrombogenic Substrate

The purpose of the project is to elucidate whether it is possible to identify which patients are at risk of forming blood clots that can cause stroke based on analysis of the electrocardiogram.

In connection with the operation, the small pouch known as the auricle of the heart is closed, which can be completely removed after closing. This procedure is common in patients with atrial fibrillation to protect the brain from stroke. In the project, all patients will have this auricle closed if they agree to participate in the project.

After closure, the auricle is usually discarded. We will analyze the blood and the auricle tissue taken (if available) in connection with the operation itself, together with the analysis of the electrocardiogram recorded before the planned heart operation.

Inclusion: signed informed consent AND; planned any open-heart surgery:; CABG; valve repair or replacement; aorta surgery; any combination of the above.

Exclusion: current endocarditis; follow-up not possible.

ClinicalTrials.gov NCT06405750