Imaging Predictive Factors of Abdominal Aortic Aneurysm Growth

Overview

Journal J Clin Med

Specialty General Medicine

Date 2021 Apr 30

PMID 33925046

Citations 4

Authors

Petroula Nana

Konstantinos Spanos

Konstantinos Dakis

Alexandros Brodis

George Kouvelos

Affiliations

Soon will be listed here.

Abstract

Background: Variable imaging methods may add important information about abdominal aortic aneurysm (AAA) progression. The aim of this study is to assess available literature data regarding the predictive imaging factors of AAA growth.

Methods: This systematic review was conducted using the PRISMA guidelines. A review of the literature was conducted, using PubMed, EMBASE and CENTRAL databases. The quality of the studies was assessed using the Newcastle-Ottawa Scale. Primary outcomes were defined as AAA growth rate and factors associated to sac expansion.

Results: The analysis included 23 studies. All patients (2244; mean age; 69.8 years, males; 85%) underwent imaging with different modalities; the initial evaluation was followed by one or more studies to assess aortic expansion. AAA initial diameter was reported in 13 studies (range 19.9-50.9 mm). Mean follow-up was 34.5 months. AAA diameter at the end was ranging between 20.3 and 55 mm. The initial diameter and intraluminal thrombus were characterized as prognostic factors associated to aneurysm expansion. A negative association between atherosclerosis and AAA expansion was documented.

Conclusions: Aneurysm diameter is the most studied factor to be associated with expansion and the main indication for intervention. Appropriate diagnostic modalities may account for different anatomical characteristics and identify aneurysms with rapid growth and higher rupture risk. Future perspectives, including computed mathematical models that will assess wall stress and elasticity and further flow characteristics, may offer valuable alternatives in AAA growth prediction.

Citing Articles

Metagenomic Analysis of Gut Microbiota for Abdominal Aortic Aneurysm.

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Aortic Size Index Versus Aortic Diameter in the Prediction of Rupture in Women With Abdominal Aortic Aneurysm.

Olukorode J, Onwuzo C, Otabor E, Nwachukwu N, Omiko R, Omokore O Cureus. 2024; 16(4):e58673.

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The Role of Aortic Volume in the Natural History of Abdominal Aortic Aneurysms and Post-Endovascular Aortic Aneurysm Repair Surveillance.

Kouvelos G, Volakakis G, Dakis K, Spanos K, Giannoukas A J Clin Med. 2024; 13(1).

PMID: 38202200 PMC: 10779888. DOI: 10.3390/jcm13010193.

Infrarenal Remains Infrarenal-EVAR Suitability of Small AAA Is Rarely Compromised despite Morphological Changes during Surveillance.

Becker C, Bulow T, Gombert A, Kalder J, Keschenau P J Clin Med. 2022; 11(18).

PMID: 36142966 PMC: 9501454. DOI: 10.3390/jcm11185319.

Teng B, Xie C, Zhao Y, Wang Z Med Sci Monit. 2022; 28:e935006.

PMID: 35286296 PMC: 8932048. DOI: 10.12659/MSM.935006.

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