Data set from Mazzaccaro D, Mazzeo G, Zuccon G, Modafferi A, Malacrida G, Righini PC, Marrocco-Trischitta MM, Nano G. Factors affecting the occurrence of proximal endoleak after endovascular abdominal aortic repair for abdominal aneurysms. J Int Med Res. 2020 Nov;48(11):300060520971515. doi: 10.1177/0300060520971515. PMID: 33256478; PMCID: PMC7711229.

Data set from the article Mazzaccaro D, Mazzeo G, Zuccon G, Modafferi A, Malacrida G, Righini PC, Marrocco-Trischitta MM, Nano G. Factors affecting the occurrence of proximal endoleak after endovascular abdominal aortic repair for abdominal aneurysms. J Int Med Res. 2020 Nov;48(11):300060520971515. doi: 10.1177/0300060520971515. PMID: 33256478; PMCID: PMC7711229. <em><strong>Abstract</strong></em> <strong>Objective: </strong>This retrospective study was performed to assess the clinical and radiological variables associated with proximal type IA endoleak (EL) in patients treated with elective endovascular repair for abdominal aortic aneurysms. <strong>Methods: </strong>The chi-square test, t-test, and logistic regression analysis were performed as appropriate. A P value of &lt;0.05 was considered statistically significant. <strong>Results: </strong>The data of 79 patients were analyzed. No mortality occurred. During follow-up (median, 28.5 months; interquartile range, 12.8-43.0 months), 10 patients developed type IA EL. In the logistic regression analysis, undersizing of the endograft diameter by &lt;10% significantly affected the occurrence of type IA EL. When the diameter was used for measurements, less oversizing was significantly associated with a higher risk of type IA EL. When the area was used for measurements, oversizing of &gt;20% significantly affected the occurrence of type IA EL. <strong>Conclusion: </strong>When sizing endografts, a discrepancy was noted between the measurements of the diameter and area of the proximal neck. The area might represent a more accurate measurement than the axial diameter to optimize the proximal sealing and lower the risk of developing type IA EL.