Neurocognitive Assessment in TAVI

Completed

• Conditions: Aortic Valve Disease

• Registration Number: NCT06120946
• Lead Sponsor: Brighton and Sussex University Hospitals NHS Trust

Brief Summary

Severe aortic stenosis is a common heart condition affecting elderly patients. Degeneration of the aortic valve (oneway valve between the heart and the aorta) causes high resistence to blood flow, resulting in strain on the heart and the potential for heart failure and death. Treatment of aortic stenosis has traditionally been with open heart surgery. A new procedure called transcatheter aortic valve implantation (TAVI) allows new aortic valves to be implanted through the femoral arteries, resulting in equivalent outcomes to open surgery with a more rapid recovery. Some complications remain present however, including the risk of debris released during the valve implantation being carried by the blood stream into the brain. This may lead to strokes and a loss of mental capacity. Devices that filter the blood stream and capture this debris have now been developed but are of uncertain benefit. We plan to investigate the brain function of patients who have been randomly assigned to the TAVI procedure with and without the use of filters to see if there are any cognitive benefits to the use of this technology.

Patients who are enrolled in the BHF PROTECT-TAVI trial will be invited to partcipate in this trial. They will have already been randomly assigned to TAVI with or without cerebral filter use. We will perform a series of bedside clinical tests (lasting \~40 minutes) involving questionnaires, pen \& paper and computer-based tasks. These will be performed both pre- and post-TAVI. There is no change to routine patient care. Data will be analysed with the assistance of trained neuropsychologists and will provide a valuable insight into the performance and role of the cerebral filter for TAVI patients in the future.

Detailed Description

Not available

Study Timeline

• Study Start: 2021-05-18
• Primary Completion: 2022-06-13
• Study Completion: 2022-12-13
• Status Verified: 2023-11
• Study First Submitted: 2023-11-02
• Study First Submitted QC: 2023-11-02
• Last Update Submitted: 2023-11-02
• Study First Posted: 2023-11-07
• Last Update Posted: 2023-11-07

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 120

Inclusion Criteria

• Randomised in the BHF PROTECT-TAVI trial (assessing stroke outcomes in TAVI with and without filter use).
• Willing to provide informed consent for participation in this trial.

Exclusion Criteria

• Participant has been excluded from use of the filter device due to anatomical or clinical contra-indications.
• Inadequate English skills.
• Inability to complete assessment tasks due to visual or auditory impairment.

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Neurocognitive change	<3 days post-TAVI	Neurocognitive change by individual scores for each task performed

Secondary Outcome Measures

Name	Time	Method
Neurocognitive change	12-months post-TAVI	Neurocognitive change by individual scores for each task performed

Trial Locations

Locations (1)

Royal Sussex County Hospital; 🇬🇧 Brighton, East Sussex, United Kingdom