Left Atrial Appendage Exclusion for Prophylactic Stroke Reduction Research Patient Surgery Cardiothoracic Surgery Active, recruiting 217-545-7799 Related Profiles Stephen Hazelrigg kblancett37@siumed.edu Katie Blancett https://clinicaltrials.gov/study/NCT05478304?term=Left%20Atrial%20Appendage%20E…