One-Week Postoperative Valvuloarterial Impedance as a Predictor of Left Ventricular Hypertrophy Regression 1 Year After Surgical Aortic Valve Replacement in Patients With Aortic Stenosis.

ABSTRACT:

Background

Persistent left ventricular hypertrophy (LVH) after surgical aortic valve replacement (SAVR) for aortic stenosis (AS) worsens prognosis. We investigated predictors of LVH regression 1 year after SAVR in AS patients, including patient-prosthesis mismatch (PPM) and valvuloarterial impedance (Zva).

Methods and results

We retrospectively studied 175 patients who underwent SAVR for AS at Jichi Medical University between 2014 and 2019. Echocardiography was performed at preoperative baseline, 1-week postoperative, and 1-year postoperative. The left ventricular mass index (LVMI) regression rate (RR) was defined as the difference between baseline LVMI and 1-year LVMI divided by baseline LVMI. Patients were divided into 2 groups based on their median LVMI RR as follows: (1)

SUBMITTER: Waki H 

PROVIDER: S-EPMC12148358 | biostudies-literature | 2025 Jun

REPOSITORIES: biostudies-literature