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Histopathological Gap in Aortic Diseases: A Prospective Analysis
Cosmin Marian Banceu1,2,3, Simona Gurzu4,5,6, Catalin-Bogdan Satala4
1I.O.S.U.D., George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540139 Targu Mures, Romania.
International Journal of Molecular Sciences
|October 28, 2023
Summary
Histological changes in the aorta wall differ between aortic aneurysm and aortic dissection. Medial degeneration predicts aortic dissection and impacts patient mortality, suggesting routine histopathological evaluation post-surgery.
Area of Science:
- Cardiovascular Pathology
- Aortic Disease Research
- Surgical Histopathology
Background:
- Aortic dissection (AD) is a life-threatening cardiovascular emergency.
- Aortic aneurysms (AA) share risk factors and pathological pathways with AD.
- Understanding histological differences is crucial for risk stratification and management.
Purpose of the Study:
- To compare histological changes in the aorta wall between patients with AD and AA.
- To identify histological predictors of AD development.
- To assess the prognostic value of aortic wall histopathology in surgical patients.
Main Methods:
- Histopathological analysis of aortic tissue samples from patients undergoing surgical aortic replacement.
- Comparison of specific histological features (medial layer, myxomatous changes, subendothelial degeneration) between AD and AA groups.
- Statistical analysis to determine significant differences and predictive values.
Main Results:
- Aortic aneurysm samples showed significantly more media layer modifications, myxomatous changes, and subendothelial degeneration than AD samples.
- Patients with AA were twice as likely to exhibit histological changes compared to AD patients.
- Moderate to severe medial degeneration was a strong predictor of developing AD.
Conclusions:
- Histopathological scoring of aortic tissue is a valuable predictor of mortality in patients undergoing aortic replacement.
- Routine histopathological evaluation should be standardized for patients undergoing aortic surgery.
- Findings may guide individualized postoperative management based on aortic wall pathology.
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