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Clinical Trial Summary

Atrial fibrillation is a common arrythmia. It is an independent risk factor for stroke. There for anticoagulation therapy is used for atrial fibrillation patients. Alternatively, left atrial appendix closure can be used, if the risk for bleeding complications is deemed greater than the possible antithrombotic benefit of anticoagulation medication. Up to 70% of ischemic complications can be prevented with anticoagulation therapy, and left atrial appendix closure seems to have comparable results. Also left atrial catherter ablation (LACA) is gaining popularity as a therapeutic intervention for atrial fibrillation. However, the procedure is associated with 0,5-1% perioperative risk of clinically evident transient ischemic attack (TIA) or stroke. While the incidence of clinically evident ischemic complications remain relatively low, recent data suggest that 13%-20% of patients undergoing LACA are affected by post-operative neurocognitive dysfunction (POCD) 90 days after ablation. The goal of the study is to improve detection of subtle brain dysfunction after cardiac interventions by employing an experimental executive reaction time (RT) test along with EEG recording in aims to improve objective detection of subtle brain dysfunction assumed to underlie persistent cognitive, somatic, and affective complaints reported by patients who have undergone atrial fibrillation ablation.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT02306460
Study type Observational [Patient Registry]
Source Tampere University Hospital
Contact
Status Terminated
Phase
Start date February 9, 2015
Completion date December 2020

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