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Thoracic aortic surgery
J S Ikonomidis1, R D Weisel, M S Mouradian
1Division of Cardiovascular Surgery, Toronto General Hospital, Canada.
Circulation
|November 1, 1991
Summary
Thoracic aortic surgery outcomes improved with better grafts and techniques since 1986. Key mortality predictors included crystalloid cardioplegia and urgent repair for aortic dissections.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Aortic Pathology
Background:
- 119 patients underwent thoracic aortic repair between 1982-1989.
- Mortality rates varied significantly across different aortic pathologies.
Purpose of the Study:
- To analyze outcomes and identify mortality predictors in thoracic aortic surgery.
- To evaluate the impact of evolving surgical techniques and materials on patient survival.
Main Methods:
- Retrospective review of 119 patients undergoing thoracic aortic repair.
- Analysis of hospital mortality rates and independent predictors of death.
Main Results:
- Ascending aortic aneurysms: 11% mortality. Acute type A dissections: 32% mortality.
- Aortic arch pathology: 47% mortality. Descending aortic aneurysms: 18% mortality.
- Descending thoracic aortic disruption: 14% mortality. Crystalloid cardioplegia and urgency were key predictors.
Conclusions:
- Improved graft materials, surgical techniques, and myocardial protection have reduced mortality.
- Urgency of repair and specific techniques like crystalloid cardioplegia significantly impact outcomes.
- Continued advancements are crucial for improving results in complex thoracic aortic surgery.