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A Mouse Abdominal Aortic Aneurysm Model by Periadventitial Calcium Chloride and Elastase Infiltration
Published on: August 2, 2024
Pathology, natural history and treatment of abdominal aortic aneurysms
A R Zankl1, H Schumacher, U Krumsdorf
1Department of Cardiology, University of Heidelberg, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany.
Insights
Abdominal aortic aneurysms (AAA) are increasingly diagnosed, posing a significant mortality risk, especially from rupture in older men. Current screening and treatment thresholds for AAA remain debated despite available literature.
Area of Science:
- Vascular Surgery
- Geriatric Medicine
- Diagnostic Imaging
Background:
- Abdominal aortic aneurysms (AAA) incidence is rising due to population aging and improved diagnostics.
- AAA rupture is a leading cause of death in men over 65, highlighting the need for effective management.
- Despite advances, optimal screening and surgical intervention criteria for AAA remain subjects of ongoing discussion.
Purpose of the Study:
- To review current knowledge on AAA pathology, incidence, and risk factors.
- To summarize natural history, symptoms, and diagnostic approaches for AAA.
- To consolidate information on contemporary treatment strategies for AAA.
Main Methods:
- Comprehensive literature review of recent studies on abdominal aortic aneurysms.
- Synthesis of data on AAA epidemiology, clinical presentation, and natural progression.
- Analysis of current interventional and conservative management guidelines for AAA.
Main Results:
- While screening for AAA has been proposed, its cost-effectiveness is debated.
- Risk stratification and thresholds for AAA intervention versus conservative management require further clarification.
- The review consolidates existing data on AAA pathology and treatment options.
Conclusions:
- Understanding AAA pathology and risk factors is crucial for timely diagnosis and intervention.
- Further research is needed to establish definitive guidelines for AAA screening and treatment thresholds.
- This review provides a comprehensive overview of the current landscape of AAA management.
Abstract:
With increasing age of the population and improvement of diagnostic tools, the incidence of abdominal aortic aneurysms (AAA) has been rising steadily. Despite an improvement in operative and interventional treatment options, AAA is the cause of death in 1-3% of men over 65 years of age in industrial countries, mostly due to rupture [1]. Therefore, routine screening for AAA by ultrasonography has been postulated in the past: a 60 year old man with an abdominal aortic diameter of less than 3 cm has a life-time risk of developing AAA close to zero. However, routine screening has not been found to be cost effective. Despite of the results of two well-designed studies, the limits of AAA qualifying the patient for surgery or intervention in contrast to conservative treatment is still a matter of debate. The present review article summarizes the current knowledge of the pathology, incidence, risks, natural course as well as symptoms and current treatment strategies of AAA on the basis of the recent literature.
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