COR-KNOT-Induced Leaflet Perforation: How It Happens and How to Prevent It: A Case Report

J Chest Surg. 2024 Jan 5;57(1):96-98. doi: 10.5090/jcs.23.076. Epub 2023 Nov 6.


The COR-KNOT suture fastening device has dramatically improved the efficiency of valve suture fixation. Despite its relative ease of use, there are important considerations in deployment to limit the risk of prosthetic valve injury. Herein, we report a case of iatrogenic aortic bioprosthetic insufficiency caused by poorly positioned COR-KNOTs and outline technical strategies to ensure success.

Keywords: Aortic valve; COR-KNOT; Case report; Sutures; Valve replacement.

Publication types

  • Case Reports

Grants and funding

Funding This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.