Progression of Tricuspid Regurgitation After Repaired Functional Ischemic Mitral Regurgitation

BACKGROUND: Despite correction of left-sided cardiac lesions, associated functional tricuspid regurgitation (TR) that was surgically ignored can persist. It can also appear de novo. The aim of this study was to analyze TR in a group of patients who underwent successful revascularization and mitral valve repair (MVRep) for functional ischemic mitral regurgitation (MR). METHODS AND RESULTS: Among 124 consecutive patients with MVRep, 70 left the operating room with MR 3 years. Absence or presence of recurrent MR did not significantly affect TR (14 of 22 64% with MR versus 20 of 48 42% with no MR). Preoperative and postoperative tricuspid annulus size in patients with late TR was significantly larger than in patients without TR. CONCLUSIONS: Functional TR is frequently associated with functional ischemic MR. After MVRep, close to 50% of patients have TR. The incidence of postoperative TR increases with time. Preoperative tricuspid annulus dilation might be a predictor of late TR.