Related Experiment Video
Updated: Jun 10, 2025

Ultrasound Imaging of the Thoracic and Abdominal Aorta in Mice to Determine Aneurysm Dimensions
Published on: March 8, 2019
Difference in risk factor profile for abdominal aortic aneurysm and thoracic aortic aneurysm
Sven-Erik Persson1, Mari Holsti1, Kevin Mani2
1Department of Diagnostics and Intervention, Surgery, Umeå University, Umeå, Sweden.
This study found distinct risk factors for thoracic aortic aneurysms (TAAs) and abdominal aortic aneurysms (AAAs). Hypertension is a risk factor for both, but smoking is linked to AAAs, not TAAs.
Area of Science:
- Cardiovascular Science
- Epidemiology
- Aortic Disease Research
Background:
- Thoracic aortic aneurysms (TAAs) and abdominal aortic aneurysms (AAAs) may have different risk factor profiles, but prospective data are limited.
- Understanding these differences is crucial for targeted prevention and management strategies.
Purpose of the Study:
- To prospectively investigate and compare the risk factor profiles of thoracic aortic aneurysms (TAAs) and abdominal aortic aneurysms (AAAs).
Main Methods:
- A prospective, population-based case-control study involving 96,196 individuals from the Västerbotten Intervention Project (VIP) and MONICA cohorts (1986-2010).
- Cardiovascular risk assessments included blood samples, glucose tolerance tests, blood pressure, and health questionnaires.
- Multivariate conditional logistic regression analyses were used to estimate adjusted odds ratios (aORs) for risk factors in relation to TAA and AAA diagnosis.
Main Results:
- Smoking, hypertension, and coronary artery disease were significantly associated with abdominal aortic aneurysms (AAAs).
- Hypertension was the primary risk factor for thoracic aortic aneurysms (TAAs), with no significant association found for smoking.
- Diabetes and self-reported physical activity were not associated with either AAA or TAA development.
Conclusions:
- The risk factor profiles for abdominal aortic aneurysms (AAAs) and thoracic aortic aneurysms (TAAs) differ significantly.
- These findings suggest a partially distinct etiology for TAAs and AAAs, necessitating tailored approaches to their prevention and treatment.
More Related Videos
Related Concept Videos
Aneurysm II: Clinical Manifestations and Diagnostic Studies
Aneurysm I: Introduction
Thoracic Aorta
Aneurysm III: Interprofessional Care
Atherosclerosis II: Clinical manifestations and prevention
Aortic Regurgitation I: Introduction

