New developments for reconstruction of the tricuspid valve

Abstract

Four patients with multivalvular disease underwent tricuspid valve repair by a new technique. The anterior and posterior leaflets adjacent to the incompetent commissure were separated from the anulus to allow coaptation of the three leaflets in the middle. In conjunction with the commissure, half of the isolated anulus was then excluded with a continuous 3-0 Ti-Cron suture. A 5-0 Prolene suture was then used to readapt the cut edges of the leaflets to the shortened anulus. In this way it was possible to reduce the circumference of the anulus selectively, without reducing the active area of the leaflets. All patients survived. A significant decrease in the mean right atrial pressure without evidence of regurgitation could be recorded in all patients. Postoperative morphometric echocardiographic evaluation of the tricuspid valve showed a maximal anulus diameter even larger than in normal hearts. No inflow obstruction was present. The systolic shortening of the anulus ranged within normal limits. The opening amplitude of the leaflet as well as the slope of the ejection fraction were not decreased. No significant regurgitation was evidenced by contrast echocardiograms. One to 3 months postoperatively, no annuloplasty dehiscence has occurred.