Hemodynamic outcomes after undersizing ring annuloplasty and focal suture annuloplasty for surgical repair of functional tricuspid regurgitation.

ABSTRACT:

Objective

Surgical annuloplasty for functional tricuspid regurgitation (FTR) is on the rise and can be performed in several ways with varied outcomes. In this study, we sought to compare the hemodynamic outcomes of tricuspid annuloplasty performed with a commercially available annuloplasty ring (tricuspid valve annuloplasty [TVA]) compared with focal suture annuloplasty (Hetzer) in an experimental FTR model.

Methods

An ex vivo FTR model was developed by inducing right ventricular dilatation by acute afterload elevation, causing severe tricuspid valve tethering and annular dilatation, leading to regurgitation. Ten porcine hearts in which FTR was induced underwent TVA with a 26-mm Edwards MC3 ring and Hetzer annuloplasty with a pledgeted suture cinching the anteroposterior and

SUBMITTER: Amedi A 

PROVIDER: S-EPMC7921216 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature