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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
Minimally invasive versus conventional aortic valve replacement: a 10-year experience.
A Korach1, R J Shemin, C T Hunter
1Department of Cardiothoracic Surgery, Hadassah-Hebrew, University Medical Center, Jerusalem, Israel.
The Journal of Cardiovascular Surgery
|June 5, 2010
Summary
Minimally invasive aortic valve replacement (MIAVR) reduces blood transfusions and hospital stays compared to conventional aortic valve replacement (CAVR). MIAVR is a safe and effective alternative for isolated aortic valve replacement.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Procedures
- Aortic Valve Replacement
Background:
- Limited data exists on the clinical outcomes of minimally invasive aortic valve replacement (MIAVR).
- Outcomes of MIAVR compared to conventional aortic valve replacement (CAVR) are controversial.
- A decade-long study was conducted to address these data limitations.
Purpose of the Study:
- To compare the clinical outcomes of MIAVR versus CAVR.
- To evaluate the safety and efficacy of MIAVR in isolated aortic valve replacement.
- To identify predictors of adverse outcomes in isolated aortic valve replacement.
Main Methods:
- A retrospective analysis of 466 patients undergoing isolated aortic valve replacement (AVR) between 1995 and 2005.
- Comparison of outcomes between 164 MIAVR patients and 302 CAVR patients.
- Univariable and multivariable analyses were performed to identify outcome predictors.
Main Results:
- Operative mortality and major complication rates were similar between MIAVR and CAVR groups.
- MIAVR was associated with significantly reduced allogeneic blood transfusions (31% vs. 41%, P=0.03).
- MIAVR resulted in a shorter hospital stay (5±2 days vs. 7±5 days, P<0.0001).
Conclusions:
- Minimally invasive aortic valve replacement (MIAVR) is a safe and effective procedure.
- MIAVR significantly reduces the need for allogeneic blood transfusions.
- MIAVR leads to a shorter hospital length of stay compared to conventional aortic valve replacement (CAVR).
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