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Repair of left atrioventricular valve cleft defects with patch augmentation
John H Artrip1, Elizabeth M Rumball, Kirsten Finucane
1Green Lane Paediatric and Congenital Cardiac Services, Starship Children's Hospital, Grafton, Auckland, New Zealand. johnartrip@yahoo.com
The Annals of Thoracic Surgery
|May 29, 2012
Summary
Repairing left atrioventricular valve insufficiency after atrioventricular septal defect repair is difficult. A new technique using triangular patch material for cleft closure offers a simplified approach for complex cases.
Area of Science:
- Cardiovascular Surgery
- Pediatric Cardiology
- Congenital Heart Disease
Background:
- Left atrioventricular valve insufficiency is a common complication after atrioventricular septal defect repair.
- Standard repair techniques involve cleft closure and posterior annuloplasty.
- Significant anterior leaflet tissue deficiency poses a challenge for primary cleft closure.
Purpose of the Study:
- To present a simplified surgical technique for left atrioventricular valve insufficiency.
- To describe the use of triangular patch material to support cleft closure.
- To evaluate the outcomes of this technique in patients with atrioventricular septal defects.
Main Methods:
- A simplified technique involving triangular-shaped patch material for cleft closure was employed.
- This method was applied in conjunction with posterior annuloplasty.
- The technique was performed on 13 patients requiring re-operation for left atrioventricular valve insufficiency.
Main Results:
- The simplified technique was successfully applied in 13 patients.
- Outcomes related to valve function and patient recovery were assessed.
- Specific results regarding the efficacy of the patch-supported cleft closure were documented.
Conclusions:
- A simplified technique using triangular patch material is a viable option for managing left atrioventricular valve insufficiency.
- This approach may be particularly useful when primary cleft closure is impractical due to leaflet deficiency.
- Further studies are warranted to confirm long-term outcomes.
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