AUTHOR=He Wei , Tang Panli TITLE=Management of perioperative anticoagulation in patients with mechanical heart valve replacement undergoing laparoscopic cholecystectomy: a case report of postoperative cerebral embolism JOURNAL=Frontiers in Surgery VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2024.1404436 DOI=10.3389/fsurg.2024.1404436 ISSN=2296-875X