Late intervention for type II endoleak is not determined by early sac diameter or volume changes after EVAR

Bernard Sneyers; Viktor Verbraeken; Annouschka Laenen; Walter Coudyzer; Hozan Mufty; Sabrina Houthoofd; Inge Fourneau; Geert Maleux

doi:10.2478/raon-2024-0056

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Late intervention for type II endoleak is not determined by early sac diameter or volume changes after EVAR

Radiology and Oncology

Volume 58 (2024): Issue 4 (December 2024)

By: Bernard Sneyers, Viktor Verbraeken, Annouschka Laenen, Walter Coudyzer, Hozan Mufty, Sabrina Houthoofd, Inge Fourneau and Geert Maleux

Open Access

|Nov 2024

Abstract

Background

To compare the diagnostic accuracy and predictive value of aneurysm sac volume measurement versus maximum diameter measurement of abdominal aortic aneurysm sac after endovascular aneurysm repair (EVAR) in patients with type II endoleak.

Patients and methods

Retrospective study on a cohort of 103 patients who presented with a type II endoleak after EVAR for infrarenal abdominal aortic aneurysm. Maximum diameter and volumetric measurements were calculated on computed tomography follow-up scans at 3 months and 1 year after index surgery. Pearson correlation coefficient was used to determine linear association between diameter and volume; Mann-Whitney U test was used to compare patients with and without later intervention for type II endoleak with regard to diameter and volume change.

Results

The correlation between diameter and volume measurement was high (Rho: 0.890–0.980 with P < 0.0001). In 38 out of 103 patients (37%) with type II endoleak, a later intervention for endoleak management was performed; early diameter (P = 0.097), or volume (P = 0.387) change could not predict risk for later intervention.

Conclusions

Both diameter and volume measurements can be used in the imaging follow-up of patients with endoleak type II after EVAR; however early changes in diameter or volume of the aneurysm sac cannot predict late intervention for type II endoleak.

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Articles in this issue

DOI: https://doi.org/10.2478/raon-2024-0056 | Journal eISSN: 1581-3207 | Journal ISSN: 1318-2099

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Language: English

Page range: 573 - 579

Submitted on: Apr 26, 2024

Accepted on: Aug 29, 2024

Published on: Nov 28, 2024

Published by: Association of Radiology and Oncology

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

endovascular aneurysm repair,

type II endoleak,

diameter,

volume,

changes in measurement

Related subjects:

Medicine,

Clinical medicine,

Internal medicine,

Haematology, oncology,

Radiology

© 2024 Bernard Sneyers, Viktor Verbraeken, Annouschka Laenen, Walter Coudyzer, Hozan Mufty, Sabrina Houthoofd, Inge Fourneau, Geert Maleux, published by Association of Radiology and Oncology
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 58 (2024): Issue 4 (December 2024)