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Indications and techniques for midline approach to aortic coarctation in infants and children
1Department of Surgery, Duke University Medical Center, Durham, NC 27710.
Insights
Median sternotomy offers a versatile approach for aortic coarctation repair, even in complex cases. This technique proved successful in pediatric patients, demonstrating its value in challenging congenital heart defect surgeries.
Area of Science:
- Cardiovascular Surgery
- Pediatric Cardiology
- Thoracic Surgery
Background:
- Aortic coarctation repair typically involves left thoracotomy.
- Median sternotomy presents an alternative, potentially more versatile approach.
- This approach is valuable in complex or recurrent coarctation cases.
Purpose of the Study:
- To evaluate the efficacy of median sternotomy for aortic coarctation repair.
- To demonstrate the versatility of median sternotomy in complex pediatric cardiac surgery.
Main Methods:
- Retrospective analysis of 12 pediatric patients (2 days to 16 years) undergoing aortic coarctation repair via median sternotomy.
- Use of cardiopulmonary bypass with varying circulatory support (total circulatory arrest, reduced flow, normal flow).
- Inclusion of patients with primary, recurrent, and complex coarctations, some with concurrent cardiac anomalies.
Main Results:
- All 12 patients underwent successful repair using median sternotomy.
- No operative mortalities or sequelae were observed at follow-up (8 weeks to 4 years).
- The technique accommodated diverse patient populations, including infants and those with associated defects.
Conclusions:
- Median sternotomy is a viable and flexible approach for aortic coarctation repair.
- This method is particularly effective for complex and recurrent cases in pediatric patients.
- Median sternotomy provides an acceptable alternative to traditional methods for challenging aortic coarctation repairs.
Abstract:
A variety of techniques have been described for the repair of aortic coarctation. Most of these use operative exposure through a left thoracotomy. There are, however, instances when a median sternotomy provides a more versatile approach and allows for equally acceptable repair. Twelve patients (age, 2 days to 16 years) with coarctation of the aorta serve to illustrate the value of the technique. All but 3 patients were under 3 years old. Five patients had repair of coarctation combined with repair of other congenital cardiac anomalies (atrial and ventricular septal defects, 2 patients; atrial septal defects, 2 patients; and valvular aortic stenosis, 1 patient). Six patients had complicated recurrences of previously repaired coarctations and 1 patient had a primary coarctation that involved the aortic arch. All repairs were accomplished through a median sternotomy with the use of cardiopulmonary bypass and periods of (1) total circulatory arrest (6 patients); (2) reduced flow (4 patients); or (3) normal flow with multiple sites of arterial inflow (2 patients). All patients did well with no operative mortalities and no sequelae to date (8 weeks to 4 years). Examples of various techniques are provided to demonstrate the flexibility obtainable with this method. Median sternotomy can provide a viable approach to difficult problems involving coarctation of the aorta.