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Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement
Published on: March 26, 2018
Central cannulation is safe in acute aortic dissection repair
T Brett Reece1, Curtis G Tribble, Robert L Smith
1University of Virginia, Department of Surgery, Division of Thoracic and Cardiovascular Surgery, Charlottesville, Va, USA. tbr5q@virginia.edu
The Journal of Thoracic and Cardiovascular Surgery
|January 30, 2007
Summary
Cannulating the dissected aorta for ascending aortic dissection repair is safe. Direct aortic cannulation showed lower cardiac events and mortality compared to peripheral cannulation in high-risk patients.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Aortic Dissection Repair
Background:
- The optimal cannulation site for ascending aortic dissection repair is debated.
- Concerns exist regarding the safety and efficacy of cannulating the dissected aorta.
Purpose of the Study:
- To investigate the safety and outcomes of cannulating the dissected aorta versus peripheral cannulation in patients undergoing ascending aortic dissection repair.
- To test the hypothesis that central cannulation is safe with acceptable complication and mortality rates.
Main Methods:
- Retrospective review of 70 patients with acute ascending aortic dissections (1996-2005).
- Comparison of central (dissected aorta) cannulation (n=24) versus peripheral (femoral/axillary artery) cannulation (n=46).
- Analysis of comorbidities, mortality, complications, hospital stay, and disposition.
Main Results:
- No significant differences in bypass, crossclamp, or circulatory arrest times between groups.
- Similar hospital mortality and postoperative complications (including stroke) between central and peripheral cannulation groups.
- Peripheral cannulation was associated with significantly more cardiac events (15% vs 0%) and higher mortality (19.5% vs 4.2%) compared to central cannulation.
Conclusions:
- Direct cannulation of the dissected aorta is a safe alternative to peripheral cannulation for ascending aortic dissection repair.
- This technique allows for tailored cannulation strategies based on patient anatomy and characteristics to optimize outcomes.
- Cannulating the dissected aorta can be safely employed in high-risk populations.
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