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Can Early Computed Tomography Angiography after Endovascular Aortic Aneurysm Repair Predict the Need for Reintervention in Patients with Type II Endoleak?

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Abstract

Purpose

This study was designed to identify parameters on CT angiography (CTA) of type II endoleaks following endovascular aortic aneurysm repair (EVAR) for abdominal aortic aneurysm (AAA), which can be used to predict the subsequent need for reinterventions.

Methods

We retrospectively identified 62 patients with type II endoleak who underwent early CTA in mean 3.7 ± 1.9 days after EVAR. On the basis of follow-up examinations (mean follow-up period 911 days; range, 373–1,987 days), patients were stratified into two groups: those who did (n = 18) and those who did not (n = 44) require reintervention. CTA characteristics, such as AAA, endoleak, as well as nidus dimensions, patency of the inferior mesenteric artery, number of aortic branch vessels, and the pattern of endoleak appearance, were recorded and correlated with the clinical outcome.

Results

Univariate and receiver operating characteristic curve regression analyses revealed significant differences between the two groups for the endoleak volume (surveillance group: 1391.6 ± 1427.9 mm3; reintervention group: 3227.7 ± 2693.8 mm3; cutoff value of 2,386 mm3; p = 0.002), the endoleak diameter (13.6 ± 4.3 mm compared with 25.9 ± 9.6 mm; cutoff value of 19 mm; p < 0.0001), the number of aortic branch vessels (2.9 ± 1.2 compared with 4.2 ± 1.4 vessels; p = 0.001), as well as a “complex type” endoleak pattern (13.6 %, n = 6 compared with 44.4 %, n = 8; p = 0.02).

Conclusions

Early CTA can predict the future need for reintervention in patients with type II endoleak. Therefore, treatment decision should be based not only on aneurysm enlargement alone but also on other imaging characteristics.

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Conflict of interest

Dudeck O, Schnapauff D, Herzog L, Löwenthal D, Bulla K, Rogits B, Halloul Z, Meyer F, Pech M, Gebauer B, Ricke J have no conflicts of interest or financial disclosures to report.

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Authors and Affiliations

  1. Department of Radiology and Nuclear Medicine, University of Magdeburg, Leipziger Strasse 44, 39120, Magdeburg, Germany

    O. Dudeck, L. Herzog, D. Löwenthal, K. Bulla, B. Bulla, M. Pech & J. Ricke

  2. Department of Radiology, Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany

    D. Schnapauff & B. Gebauer

  3. Department of General, Visceral and Vascular Surgery, University of Magdeburg, Magdeburg, Germany

    Z. Halloul & F. Meyer

Authors
  1. O. Dudeck
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  2. D. Schnapauff
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  3. L. Herzog
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  4. D. Löwenthal
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  5. K. Bulla
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  6. B. Bulla
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  7. Z. Halloul
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  8. F. Meyer
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  10. B. Gebauer
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Correspondence to O. Dudeck.

Additional information

O. Dudeck and D. Schnapauff have contributed equally to this work.

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Dudeck, O., Schnapauff, D., Herzog, L. et al. Can Early Computed Tomography Angiography after Endovascular Aortic Aneurysm Repair Predict the Need for Reintervention in Patients with Type II Endoleak?. Cardiovasc Intervent Radiol 38, 45–52 (2015). https://doi.org/10.1007/s00270-014-0901-6

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  • DOI: https://doi.org/10.1007/s00270-014-0901-6

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