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Updated: Jun 3, 2026
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Studying Left Ventricular Reverse Remodeling by Aortic Debanding in Rodents
Published on: July 14, 2021
Left ventricular surgical remodeling after the STICH trial.
A M Calafiore1, A L Iacò, W Abukoudair
1Department of Adult Cardiac Center, Prince Sultan Cardiac Center, Riyadh, Saudi Arabia. calafiore@unich.it
The Thoracic and Cardiovascular Surgeon
|March 29, 2011
Summary
Surgical remodeling of the left ventricle (LVSR) shows promise for heart failure patients with anteroseptal scars. Restoring a conical shape, rather than just volume, may improve long-term outcomes after surgery.
Area of Science:
- Cardiac Surgery
- Cardiology
- Heart Failure Treatment
Background:
- Anteroseptal scars from myocardial infarction pose challenges in treating ischemic congestive heart failure.
- Existing surgical techniques for left ventricular remodeling (LVSR) aim to address the mismatch between contractile and asynergic myocardium.
- The classic Dor operation focuses on volume recovery but may not restore physiological left ventricular shape.
Purpose of the Study:
- To evaluate the effectiveness of surgical strategies for left ventricular remodeling (LVSR) in patients with anteroseptal scars.
- To investigate the importance of restoring a physiological conical shape versus volume reduction in LVSR.
- To clarify the role and limitations of LVSR in the context of coronary artery bypass grafting (CABG).
Main Methods:
- Review of surgical techniques for LVSR, including the Dor operation and septal reshaping.
- Analysis of data from the STICH trial comparing CABG alone versus CABG with LVSR.
- Consideration of patient selection criteria and echocardiographic parameters for assessing LVSR outcomes.
Main Results:
- The STICH trial, using the classic Dor operation, did not demonstrate a significant benefit of LVSR.
- Long-term results of LVSR are satisfactory, with potentially better outcomes when a conical left ventricular shape is recreated.
- Limitations in the STICH trial's echocardiographic data and patient inclusion criteria (e.g., prior myocardial infarction status) may affect definitive conclusions.
Conclusions:
- LVSR may offer satisfactory long-term results, particularly when focused on restoring a physiological conical shape.
- The optimal surgical strategy and patient selection for LVSR remain areas for further investigation.
- The precise impact of LVSR compared to medical treatment or CABG alone requires further clarification.
