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Updated: Jun 20, 2026

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Reduction in Left Ventricular Wall Stress and Improvement in Function in Failing Hearts using Algisyl-LVR
Published on: April 8, 2013
Point: a prescription to decrease left ventricular function
Preventive Cardiology
|September 16, 2009
Summary
The Courage Trial found no difference in major events between invasive and conservative treatments for stable angina. However, conservative care may lead to progressive decline in left ventricular function.
Area of Science:
- Cardiology
- Interventional Cardiology
- Clinical Trials
Background:
- The Courage Trial (2007) evaluated invasive versus conservative therapy for stable angina with documented cardiac ischemia.
- It randomized 2297 patients to assess major adverse events over 2.5 to 7 years.
Discussion:
- Myocardial biopsies show repeated ischemia causes fibrosis, mitochondrial loss, and impaired left ventricular function.
- Ischemia can occur without angina, complicating assessment of treatment efficacy.
- A significant crossover rate (32%) from conservative to invasive therapy was observed.
Key Insights:
- The study concluded that the routine opening of narrowed arteries (angioplasty) was not superior to conservative management for stable angina regarding major events.
- Despite no difference in major events, conservative treatment might negatively impact long-term left ventricular function.
Outlook:
- Further research is needed to understand the long-term implications of conservative management on myocardial health.
- The findings challenge the necessity of immediate revascularization in all stable ischemic heart disease patients.
- Investigating optimal conservative strategies to preserve left ventricular function is crucial.
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