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Robotic triangular resection for repair of posterior mitral leaflet prolapse
Paul Cullen1, Tarek Malas1, Marc Gillinov1
1Department of Thoracic and Cardiovascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA.
Multimedia Manual of Cardiothoracic Surgery : MMCTS
|September 3, 2025
Summary
Triangular resection effectively repairs posterior mitral valve prolapse with low risk and high durability. This study details a robotic approach to this essential surgical technique.
Area of Science:
- Cardiovascular Surgery
- Cardiac Valve Repair
- Minimally Invasive Cardiac Surgery
Background:
- Isolated segmental posterior leaflet prolapse is a common cause of mitral regurgitation.
- Triangular resection is a well-established and effective surgical repair for this condition.
- Systolic anterior motion is a potential complication to consider in mitral valve repair.
Purpose of the Study:
- To present a robotic approach to triangular resection for mitral valve repair.
- To highlight adaptations of the open technique for robotic surgery.
- To emphasize the efficacy and applicability of triangular resection.
Main Methods:
- Robotic-assisted cardiac surgery.
- Triangular resection of the posterior mitral leaflet.
- Adaptations of the traditional open surgical technique for a minimally invasive approach.
Main Results:
- Triangular resection is applicable in most cases of isolated segmental posterior leaflet prolapse.
- The technique is associated with low surgical risk.
- Excellent long-term durability of the repair has been observed.
Conclusions:
- Robotic triangular resection is a safe and effective method for repairing posterior mitral leaflet prolapse.
- The technique offers excellent long-term outcomes and durability.
- It is a valuable addition to the mitral surgeon's armamentarium.
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