[Tricuspid valve regurgitation : Indications and operative techniques]

R Lange, N Piazza, T Günther
Herz 2017, 42 (7): 653-661
Functional tricuspid valve (TV) regurgitation secondary to left heart disease (e.g. mitral insufficiency and stenosis) is observed in 75% of the patients with TV regurgitation and is thus the most common etiology; therefore, the majority of patients who require TV surgery, undergo concomitant mitral and/or aortic valve surgery. Uncorrected moderate and severe TV regurgitation may persist or even worsen after mitral valve surgery, leading to progressive heart failure and death. Patients with moderate to severe TV regurgitation show a 3-year survival rate of 40%. Surgery is indicated in patients with severe TV regurgitation undergoing left-sided valve surgery and in patients with severe isolated primary regurgitation without severe right ventricular (RV) dysfunction. For patients requiring mitral valve surgery, tricuspid valve annuloplasty should be considered even in the absence of significant regurgitation, when severe annular dilatation (≥40 mm or >21 mm/m2 ) is present. Functional TV regurgitation is primarily treated with valve reconstruction which carries a lower perioperative risk than valve replacement. Valve replacement is rarely required. Tricuspid valve repair with ring annuloplasty is associated with better survival and a lower reoperation rate than suture annuloplasty. Long-term results are not available. The severity of the heart insufficiency and comorbidities (e.g. renal failure and liver dysfunction) are the essential determinants of operative mortality and long-term survival. Tricuspid valve reoperations are rarely necessary and associated with a considerable mortality.

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