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Langenbecks Arch Surg ; 409(1): 135, 2024 Apr 23.
Article in English | MEDLINE | ID: mdl-38649506

ABSTRACT

OBJECTIVE: Endovascular repair is the preferred treatment for aortoiliac aneurysm, with preservation of at least one internal iliac artery recommended. This study aimed to assess pre-endovascular repair anatomical characteristics of aortoiliac aneurysm in patients from the Global Iliac Branch Study (GIBS, NCT05607277) to enhance selection criteria for iliac branch devices (IBD) and improve long-term outcomes. METHODS: Pre-treatment CT scans of 297 GIBS patients undergoing endovascular aneurysm repair were analyzed. Measurements included total iliac artery length, common iliac artery length, tortuosity index, common iliac artery splay angle, internal iliac artery stenosis, calcification score, and diameters in the device's landing zone. Statistical tests assessed differences in anatomical measurements and IBD-mediated internal iliac artery preservation. RESULTS: Left total iliac artery length was shorter than right (6.7 mm, P = .0019); right common iliac artery less tortuous (P = .0145). Males exhibited greater tortuosity in the left total iliac artery (P = .0475) and larger diameter in left internal iliac artery's landing zone (P = .0453). Preservation was more common on right (158 unilateral, 34 bilateral) than left (105 unilateral, 34 bilateral). There were 192 right-sided and 139 left-sided IBDs, with 318 IBDs in males and 13 in females. CONCLUSION: This study provides comprehensive pre-treatment iliac anatomy analysis in patients undergoing endovascular repair with IBDs, highlighting differences between sides and sexes. These findings could refine patient selection for IBD placement, potentially enhancing outcomes in aortoiliac aneurysm treatment. However, the limited number of females in the study underscores the need for further research to generalize findings across genders.


Subject(s)
Endovascular Procedures , Iliac Aneurysm , Humans , Male , Female , Iliac Aneurysm/surgery , Iliac Aneurysm/diagnostic imaging , Aged , Endovascular Procedures/methods , Middle Aged , Aortic Aneurysm, Abdominal/surgery , Aortic Aneurysm, Abdominal/diagnostic imaging , Aortic Aneurysm, Abdominal/pathology , Iliac Artery/diagnostic imaging , Blood Vessel Prosthesis Implantation/methods , Aged, 80 and over , Tomography, X-Ray Computed , Treatment Outcome
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