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Should We Move Up the Clock on Preventive Intervention in Marfan's Disease?
1Department of Thoracic and Cardiovascular Surgery, Sanger Heart and Vascular Institute, Carolinas Medical Center, Charlotte, North Carolina, United States.
The Thoracic and Cardiovascular Surgeon
|March 1, 2019
Summary
Patients with Marfan syndrome often experience ascending aorta dilation, risking dissection. Prophylactic aortic wall reinforcement is recommended when the aorta reaches 3.5 cm to prevent life-threatening complications.
Area of Science:
- Cardiovascular Medicine
- Genetics
- Surgical Innovation
Background:
- Marfan syndrome is a genetic disorder affecting connective tissue.
- Ascending aorta dilation is a frequent and dangerous complication in Marfan syndrome.
- Aortic dissection and rupture are leading causes of mortality in these patients.
Purpose of the Study:
- To propose a prophylactic surgical strategy for ascending aorta dilation in Marfan syndrome.
- To prevent aortic dissection and rupture through early aortic wall reinforcement.
- To reduce premature mortality and the need for emergency surgery in Marfan syndrome patients.
Main Methods:
- Review of 40 years of experience with aortic wall reinforcement techniques.
- Analysis of outcomes in patients with Marfan syndrome and ascending aorta dilation.
- Postulating a threshold diameter for intervention.
Main Results:
- Ascending aorta dilation is a common precursor to dissection and rupture in Marfan syndrome.
- Two-thirds of patients face severe outcomes (death or major surgery) by age 42.
- Aortic wall reinforcement has a long-term track record.
Conclusions:
- Prophylactic reinforcement of the ascending aorta is advised when its diameter reaches approximately 3.5 cm in individuals with Marfan syndrome.
- This intervention aims to prevent further aortic expansion and catastrophic events.
- Early surgical consideration can significantly improve long-term prognosis and survival.