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Less invasive aortic valve surgery: rationale and technique
L K von Segesser1, S Westaby, J Pomar
1Department of Cardio-vascular Surgery, University Hospital Vaudois, CHUV, Lausanne, Switzerland.
Insights
Minimally invasive aortic valve surgery aims for reduced patient morbidity and faster recovery. The preferred technique involves a partial upper sternotomy, offering a less invasive alternative to conventional methods.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Techniques
Background:
- Minimally invasive surgery aims to reduce patient morbidity, discomfort, and hospital stay while maintaining durability.
- Current definitions of minimally invasive coronary surgery often exclude cardiopulmonary bypass, which is not yet feasible for valve surgery.
- For valve surgery, minimally invasive approaches primarily focus on incision size and recovery rates.
Purpose of the Study:
- To define and recommend a preferred surgical approach for minimally invasive aortic valve surgery.
- To evaluate the efficacy and safety of minimally invasive techniques compared to conventional methods.
Main Methods:
- Discussion and consensus reached during the Heart Lab International Workshop on video-assisted heart surgery.
- Focus on partial upper sternotomy with J- or L-shaped extension to the right as a preferred approach.
- Exclusion of methods sacrificing internal thoracic arteries, opening pleural cavities, or predisposing to hernias.
Main Results:
- Partial upper sternotomy with J- or L-shaped extension is identified as the preferred approach for minimally invasive aortic valve surgery.
- Alternative methods with significant drawbacks were deemed less satisfactory.
- Detailed technique description, indications, and contraindications were discussed.
Conclusions:
- Minimally invasive aortic valve surgery can achieve reduced invasiveness through optimized incision and recovery.
- The partial upper sternotomy technique offers a promising approach for minimally invasive aortic valve replacement.
- Further evaluation and refinement of minimally invasive techniques are essential for broader adoption.
Abstract:
The unquestionable aims for a less invasive operations are less morbidity, less discomfort, and a reduced hospital stay through an operation which proves equally durable to the conventional approach. Such an operation must be carried out without further risk to the patient or increased difficulty for the surgeon. Whilst most definitions of less invasive coronary surgery include the phrase without cardiopulmonary bypass, this is clearly not yet possible in valve surgery. In valve surgery, the definition of less invasive relates only to the size of incision and rate of recovery. As a result of the discussions during the Heart Lab International Workshop on video-assisted heart surgery in Zürich, October 22-25, 1998, the following conclusions emerged. The partial upper sternotomy with J- or L- shaped extension to the right is the preferred approach for minimally invasive aortic valve surgery. Other methods which sacrify the internal thoracic arteries, open pleural cavities or predispose to long hernia are less satisfactory. A detailed description of the technique proposed is given and its indications and contraindications are discussed.