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Correlation between transversal and orthogonal maximal diameters of abdominal aortic aneurysms and alternative rupture risk predictors

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00159816%3A_____%2F17%3A00067195" target="_blank" >RIV/00159816:_____/17:00067195 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216305:26210/17:PU122974 RIV/00216224:14110/17:00097641 RIV/00216208:11110/17:10362321 RIV/00064165:_____/17:10362321

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.compbiomed.2017.03.005" target="_blank" >http://dx.doi.org/10.1016/j.compbiomed.2017.03.005</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.compbiomed.2017.03.005" target="_blank" >10.1016/j.compbiomed.2017.03.005</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Correlation between transversal and orthogonal maximal diameters of abdominal aortic aneurysms and alternative rupture risk predictors

  • Original language description

    Purpose: There is no standard for measuring maximal diameter (Dmax) of abdominal aortic aneurysm (AAA) from computer tomography (CT) images although differences between Dmax evaluated from transversal (axialDmax) or orthogonal (orthoDmax) planes can be large especially for angulated AAAs. Therefore we investigated their correlations with alternative rupture risk indicators as peak wall stress (PWS) and peak wall rupture risk (PWRR) to decide which Dmax is more relevant in AAA rupture risk assessment. Material and methods: The Dmax values were measured by a trained radiologist from 70 collected CT scans, and the corresponding PWS and PWRR were evaluated using Finite Element Analysis (FEA). The cohort was ordered according to the difference between axialDmax and orthoDmax (Da-o) quantifying the aneurysm angulation, and Spearman&apos;s correlation coefficients between PWS/PWRR orthoDmax/axialDmax were calculated. Results: The calculated correlations PWS/PWRR vs. orthoDmax were substantially higher for angulated AAAs (with Da-o &gt;= 3mm). Under this limit, the correlations were almost the same for both Dmax values. Analysis of AAAs divided into two groups of angulated (n=38) and straight (n=32) cases revealed that both groups are similar in all parameters (orthoDmax, PWS, PWRR) with the exception of axialDmax (p=0.024). Conclusions: It was confirmed that orthoDmax is better correlated with the alternative rupture risk predictors PWS and PWRR for angulated AAA5 (DA-O &gt;= 3mm) while there is no difference between orthoDmax and axialDmax for straight AAAs (DA-O&lt;3mm). As angulated AAA5 represent a significant portion of cases it can be recommended to use orthoDmax as the only Dmax parameter for AAA rupture risk assessment.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30212 - Surgery

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Computers in Biology and Medicine

  • ISSN

    0010-4825

  • e-ISSN

  • Volume of the periodical

    83

  • Issue of the periodical within the volume

    APR 1

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    6

  • Pages from-to

    151-156

  • UT code for WoS article

    000399862200015

  • EID of the result in the Scopus database