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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
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Reverse remodelling after aortic valve replacement for chronic aortic regurgitation.
Ayumi Koga-Ikuta1,2, Satsuki Fukushima1, Naonori Kawamoto1
1Department of Cardiovascular Surgery, National Cerebral and Cardiovascular Center, Osaka, Japan.
Interactive Cardiovascular and Thoracic Surgery
|February 22, 2021
Summary
Left ventricular reverse remodeling after aortic valve replacement for chronic aortic regurgitation is linked to better long-term survival. Preoperative ejection fraction and LV end-systolic dimension predict remodeling success.
Area of Science:
- Cardiology
- Cardiac Surgery
- Cardiovascular Imaging
Background:
- Chronic aortic regurgitation (AR) can lead to left ventricular (LV) dysfunction.
- Aortic valve replacement (AVR) is a standard treatment for severe AR.
- Understanding factors influencing LV reverse remodeling post-AVR is crucial for long-term outcomes.
Purpose of the Study:
- To assess long-term outcomes following AVR in patients with chronic AR.
- To identify predictors of left ventricular reverse remodeling 1 year after AVR.
Main Methods:
- Retrospective analysis of 246 patients undergoing AVR for chronic AR.
- Evaluation of primary endpoints: all-cause mortality, cardiac mortality, and major adverse cerebral and cardiovascular events (MACCE).
- Assessment of secondary endpoints including LV function and structure via echocardiography at 1 year post-surgery; exploration of predictive factors for reverse remodeling.
Main Results:
- 10-year survival rate was 86.0%; 93.8% had no cardiac deaths, and 79.9% experienced no MACCE.
- Significant improvement in LV function and symptoms 1 year post-AVR, though 13.8% showed incomplete recovery.
- Preoperative LV ejection fraction and LV end-systolic dimension index were significant predictors of 1-year reverse remodeling.
Conclusions:
- Preoperative LV ejection fraction and LV end-systolic dimension index predict reverse remodeling after AVR for AR.
- Reverse remodeling is associated with improved late clinical outcomes.
- Timely AVR may optimize LV function recovery and enhance long-term results in AR patients.
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