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Proximal aortic perfusion for complex arch and descending aortic disease
1Department of Cardiothoracic Surgery, Oxford Heart Center, John Radcliffe Hospital, United Kingdom.
The Journal of Thoracic and Cardiovascular Surgery
|February 6, 1998
Summary
A new central cannulation technique using extended left thoracotomy for aortic arch surgery significantly reduces neurologic injury. This one-stage repair with hypothermic circulatory arrest offers a safer alternative for complex aortic disease.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Vascular Surgery
Background:
- Femoral artery cannulation is standard for aortic arch hypothermic circulatory arrest.
- This approach carries risks of neurologic injury due to embolism or malperfusion.
- A two-stage repair is often used for combined arch and descending aortic disease.
Purpose of the Study:
- To evaluate a novel central cannulation technique via extended left thoracotomy.
- To assess the safety and efficacy of one-stage repair for aortic arch and descending aortic disease.
- To reduce neurological complications associated with aortic arch surgery.
Main Methods:
- Eighteen patients underwent one-stage repair using hypothermic circulatory arrest.
- Ascending aortic cannulation and pulmonary artery venous drainage were employed.
- Cerebral and myocardial perfusion were maintained during descending aortic replacement.
Main Results:
- Overall mortality was 5.6% (one patient died of unrelated gastrointestinal hemorrhage).
- One case of possible transient monoparesis occurred without CT evidence of embolism.
- No other significant morbidity was observed, indicating a safe procedure.
Conclusions:
- Extended left thoracotomy with central cannulation enables safe one-stage aortic arch and descending aorta replacement.
- This technique facilitates anterograde cerebral perfusion.
- The method is expected to decrease cerebral complications in complex aortic surgeries.