Exploratory Study of the Measurement of Geometric Height in 3D Transesophageal Echocardiography As a Predictor of Valve-Sparing Root Replacement for Aortic Regurgitation

Overview

Journal J Clin Med

Specialty General Medicine

Date 2025 Jan 8

PMID 39768758

Authors

Shota Yamanaka

Shuichiro Takanashi

Tomoki Shimokawa

Takashi Kunihara

Affiliations

Soon will be listed here.

Abstract

: Valve-sparing root replacement surgery is an alternative strategy for patients with aortic regurgitation with or without aortic root enlargement. A detailed understanding of the mechanisms of regurgitation and the morphology of the aortic root would be beneficial for predicting the feasibility and success of valve-sparing surgery. This is an exploratory study of the measurement of geometric height in 3D transesophageal echocardiography as a predictor of valve-sparing root replacement for aortic regurgitation. : Transesophageal echocardiographic findings and long-term outcomes were compared in 124 patients undergoing either valve-sparing root replacement (VSRR group) or composite valve graft replacement (Bentall group) from September 2014 to March 2019. : The VSRR group was younger and had better left ventricular function than the Bentall group. Three-dimensional transesophageal echocardiography showed that geometric height was significantly larger in the VSRR group. In receiver-operating curve analysis, the cutoff values of geometric height for the feasibility of valve-sparing surgery were 15.9 mm and 19.8 mm in the tricuspid and bicuspid aortic valve, respectively. The overall survival was 98.6% and the freedom from reoperation rate was 89.7% at 5 years in the VSRR group. : Appropriate patient selection and adequate GH may contribute to the success of VSSR and improve long-term outcomes.

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