ELMAR - Elimination of Microemboli During Aortic Valve Replacement. A Randomized Controlled Trial
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Neurocognitive Outcome After Aortic Valve Replacement
- Sponsor
- University of Giessen
- Enrollment
- 150
- Locations
- 3
- Primary Endpoint
- Neuropsychological assessment 1
- Last Updated
- 15 years ago
Overview
Brief Summary
In a randomized controlled trial patients undergoing aortic valve replacement are recruited into 3 groups. Patients receive either an intra-aortic filter (Embol-X), designed to reduce solid microemboli during mechanical surgical intervention, a dynamic bubble-trap (DBT), designed to reduce gaseous microemboli from cardiopulmonary bypass (CPB), or no additional device (control-group). Cognitive functioning is assessed 3 weeks to 1 day before and 3 months (+/- 1 week) after valve replacement. Furthermore, cerebral magnetic resonance imaging (MRI) is carried 2-6 days after surgery. Primary endpoint is the cognitive outcome of the filter groups compared to the controls. Secondary endpoint is the number of acute ischemic lesions after CABG.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Age \> 18
- •Elective aortic valve replacement
- •Informed consent
- •German language
Exclusion Criteria
- •Neurological and psychiatric diseases that would conflict with neuropsychological testing (e.g. stroke, TBI, schizophrenia, etc.); further major surgeries on CPB planned for within 3 months after valve replacement
- •Contraindication against MRI assessment
Outcomes
Primary Outcomes
Neuropsychological assessment 1
Time Frame: 3 weeks to 1 day before intervention
Patients are assessed by an extensive neuropsychological test battery to test cognitive functions and psychological measures
Neuropsychological assessment 2
Time Frame: 3 months (+/- 1 week) post intervention
Patients are assessed by an extensive neuropsychological test battery to test cognitive functions and psychological measures
Secondary Outcomes
- MRI lesions detected after surgery(2-6 days postoperative)