• Coronary bypass surgery
• paediatric surgery
• valve surgery
• congenital heart disease
• cardiopulmonary bypass

To the Editor: We read with great interest the article by Kim and colleagues.1 First, we would like to congratulate the authors for their study investigating relatively underestimated or neglected valvular disease; mild to moderate functional tricuspid regurgitation (FTR). Although the latest guidelines do not recommend any intervention to this patient population,2 numerous long-term …