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Published on: March 8, 2019
Differences in atherosclerotic profiles between patients with thoracic and abdominal aortic aneurysms
Shin Ito1, Koichi Akutsu, Yuiichi Tamori
1Department of Medicine, National Cardiovascular Center, Osaka, Japan.
Atherosclerotic profiles differ significantly between patients with abdominal aortic aneurysm (AAA) and thoracic aortic aneurysm (TAA). This suggests distinct underlying mechanisms and highlights the need for targeted risk factor modification for aortic aneurysm prevention.
Area of Science:
- Cardiovascular Medicine
- Vascular Surgery
- Epidemiology
Background:
- Differences in atherosclerotic profiles between thoracic aortic aneurysm (TAA) and abdominal aortic aneurysm (AAA) are not well-studied.
- Understanding these differences is crucial for developing targeted prevention and treatment strategies for aortic aneurysms.
Purpose of the Study:
- To compare the clinical and atherosclerotic profiles of patients with TAA and AAA.
- To identify distinct risk factors associated with each type of aortic aneurysm.
Main Methods:
- Retrospective study of 343 patients undergoing elective aortic aneurysm repair (132 TAA, 211 AAA).
- Comparison of clinical variables using univariate and multivariate logistic analyses.
- Assessment of comorbidities such as coronary artery disease (CAD), chronic obstructive pulmonary disease (COPD), and diabetes mellitus.
Main Results:
- Patients with AAA had higher incidences of CAD, 3-vessel coronary disease, male gender, smoking, COPD, and diabetes mellitus compared to TAA patients.
- Patients with TAA had higher incidences of hypertension, saccular-type aneurysm, and body mass index.
- Multivariate analysis associated CAD, COPD, and diabetes mellitus with AAA, and body mass index, hypertension, and cerebral infarction with TAA.
Conclusions:
- Significant differences exist in the atherosclerotic profiles of patients with TAA and AAA.
- These findings suggest potentially different underlying mechanisms for TAA and AAA development.
- Further emphasizes the importance of modifying key atherosclerosis risk factors for aortic aneurysm prevention.
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