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  • Title: Three-dimensional transesophageal echocardiographic morphological evaluation of the tricuspid valve.
    Author: Kawase T, Takahashi Y, Ito A, Yoshida H, Sumii Y, Nishiya K, Kishimoto N, Yamane K, Sakon Y, Morisaki A, Fujii H, Shibata T.
    Journal: Interact Cardiovasc Thorac Surg; 2022 Jul 09; 35(2):. PubMed ID: 35640550.
    Abstract:
    OBJECTIVES: The morphology of the tricuspid valve (TV), particularly valves with two posterior leaflets, is attracting attention. The present study was performed to investigate the usefulness of three-dimensional transoesophageal echocardiographic data for morphological evaluation of the TV . METHODS: Sixty patients underwent morphological evaluation of the TV by preoperative transoesophageal echocardiography followed by TV repair with median sternotomy, and each leaflet was measured intraoperatively. We analysed the TV morphology in 51 patients whose preoperative echocardiographic findings were consistent with intraoperative findings. RESULTS: The mid-systolic echo data, which included the annulus diameter of each leaflet, were correlated with the intraoperative evaluation findings compared with those in the mid-diastole. The annulus and area of the posterior leaflet were larger in patients with two than one posterior leaflet valve (42.4 ± 13.5 vs 30.7 ± 9.1 mm, P < 0.001 and 327 ± 185 vs 208 ± 77 mm2, P = 0.006, respectively). In the severe tricuspid regurgitation patients, the annulus of the posterior leaflet was larger and the annulus of the anterior leaflet was smaller in patients with two than one posterior leaflet valve [posterior: 48 mm [95% confidence interval (CI), 41-54 mm] vs 36 mm (95% CI, 27-45 mm), respectively; P = 0.043 and anterior: 38 mm (95% CI, 33-42 mm) vs 46 mm (95% CI, 40-52 mm), respectively; P = 0.025]. CONCLUSIONS: Patients who had a TV with two posterior leaflets had a larger annulus and area of the posterior leaflets. Preoperative three-dimensional transoesophageal echocardiography is useful for the morphological evaluation of the TV.
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