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statistically significant higher size of IIA in the IIA sacrifice group. We did not perform quality of life and
subgroup analysis with unilateral and bilateral IIA coverage. Furthermore, the lack of standardized way to
assess erectile dysfunction and buttock claudication might be responsible for the lower erectile dysfunction
and buttock claudication mentioned in the current study.

In conclusion, Although the IIA sacrifice group had higher total hospital and high dependency unit
stay, there were no significant differences in postoperative complications, three-year freedom from
reintervention and aneurysm-related as well as overall survival. Based on our experience, the coverage
of IIA aneurysmal extension during endovascular repair of the aortoiliac aneurysmal disease seems
technically feasible and safe.

DECLARATIONS
Authors’ contributions
Concept and design: Ghoneim B, Tawfick W, Sultan S
Analysis and interpretation, writing the article, critical revision and final approval of the article, overall
responsibility: Ghoneim B, Canning P, Acharya Y, Hynes N, Tawfick W, Sultan S
Data collection: Ghoneim B, Canning P, Acharya Y
Statistical analysis: Ghoneim B, Canning P, Acharya Y, Tawfick W

Availability of data and materials
Not applicable.

Financial support and sponsorship
None.

Conflicts of interest
All authors declared that there are no conflicts of interest.

Ethical approval and consent to participate
The study is approved by the Galway Clinical Research Ethics Committee (C.A. 1210, 13/02/2015).

Consent for publication
Not applicable.

Copyright
© The Author(s) 2020.

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