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Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement
Published on: March 26, 2018
Asymptomatic severe aortic stenosis with left ventricular dysfunction: watchful waiting or valve replacement?
Larry E Miller1, Valerie M Miller, Larry D Acers
1Miller Scientific Consulting, Inc., 26 Portobello Road, Arden, NC 28704, USA. larry@millerscientific.com
Clinical Medicine & Research
|April 13, 2013
Summary
Severe aortic stenosis (AS) with left ventricular dysfunction in asymptomatic patients may warrant early aortic valve replacement. Early surgery offers lower overall mortality risk compared to watchful waiting, despite higher operative risks.
Area of Science:
- Cardiology
- Cardiac Surgery
- Valvular Heart Disease
Background:
- Aortic stenosis (AS) is the most prevalent valvular heart disease in the elderly population.
- Current guidelines often recommend non-surgical management for asymptomatic severe AS, deferring aortic valve replacement (AVR) until symptom onset.
Purpose of the Study:
- To evaluate the benefit of early AVR in asymptomatic patients with severe AS and left ventricular dysfunction (LVD).
- To compare the overall mortality risk of early AVR versus watchful waiting in this patient cohort.
Main Methods:
- Retrospective analysis of patients with severe AS and LVD.
- Comparison of operative mortality and overall mortality between early AVR and conservative management groups.
Main Results:
- Operative mortality for AVR in patients with severe AS and LVD is often overestimated.
- Overall mortality risk is significantly lower with early AVR compared to watchful waiting.
- Many eligible patients are not referred for surgery despite supporting clinical data.
Conclusions:
- Asymptomatic patients with severe AS and echocardiographically confirmed LVD should be considered for early AVR.
- Early AVR in this population can reduce overall mortality risk.
- Improved patient selection and referral for AVR are crucial for optimal outcomes.
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