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Double annulus enlargement, Rastan-Manouguian's technique: a case report
P Thongcharoen1, T Subtaweesin, P Sakiyalak
1Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Summary
A novel surgical technique effectively enlarges small aortic and mitral annuli during double valve replacement. This method allows for the implantation of appropriately sized prosthetic valves, improving patient outcomes.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Surgical Techniques
Background:
- Double valve replacement is a complex procedure often complicated by small annular dimensions.
- Implantation of appropriately sized prosthetic valves is crucial for optimal surgical outcomes.
Observation:
- A 35-year-old female patient presented with a small aortic annulus (17 mm diameter) necessitating annular enlargement.
- The Rastan and Manouguian technique using a gel-sealed Dacron graft was employed for aortic and mitral annular enlargement.
Findings:
- The surgical technique successfully enlarged the aortic and mitral annuli, enabling the implantation of 23A and 31M prosthetic valves.
- Annular diameter was increased by approximately 30%, facilitating the use of adequate valve sizes.
Implications:
- This technique offers an effective solution for managing small annuli in double valve replacement surgery.
- Successful annular enlargement improves the feasibility and success rate of valve replacement in patients with challenging anatomy.