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Left atrial appendage closure during open-heart surgery only beneficial for high-risk patients
Results do not support routine closure of the left atrial appendage in all patients undergoing open-heart surgery, but those at high stroke risk may benefit.
Story Brief
This was the main conclusion of the LAACS-2 trial presented in a Hot Line session today at ESC Congress 2026 . Following open-heart surgery, patients face a high long-term risk of stroke. The left atrial appendage (LAA) is a small muscular pouch in the heart's left atrium that is a common source of blood clots in patients who have atrial fibrillation (AF).
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