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Background  Abdominal aortic aneurysms (AAA) are far more common in male than female gender, although they appear to have a more aggressive pathophysiology in females. Given the lower incidence of AAA in females, it has been difficult to assess the impact of graft selection for endovascular aortic aneurysm repair (EVAR) in this cohort.  Purpose  To identify whether graft selection influences outcomes following AAA endoluminal repair in female patients.  Methodology  A retrospective analysis of published data for 711 female patients was conducted, collating data from three cohorts - Endurant Stent Graft Natural Selection Global post-market registry (ENGAGE), Global Registry for Endovascular Aortic Treatment (GREAT) and U.S. Zenith multicenter trial in combination with the Zenith female registry. Patients were recruited into the ENGAGE registry between 2009 and 2011, the GREAT registry between August 2010 and October 2016, and into the Zenith registry between 2000 and 2003. Patients from ENGAGE received the Medtronic Endurant stent graft for infrarenal AAA repair, patients analysed in GREAT received the Gore Excluder stent graft and the Zenith group received the Cook Zenith stent graft. Analyses were performed to evaluate all-cause mortality, aorta-related mortality, endoleak occurrence and surgical reintervention rates between the three cohorts.  Results  Of the 711 females, 133 were from ENGAGE (mean age 76 years), 538 were from GREAT (mean age 75 years) and 40 were from Zenith (mean age 74 years). The rates of co-morbidities between the three groups were broadly similar except for atherosclerotic disease which was more commonly observed in those treated with the GORE Excluder. The rate of endoleaks was lower when the Excluder stent was utilised as compared to the other two stents (Excluder 6.7% vs. Zenith 12.5% vs. Endurant 35.3%) even considering the limited follow-up of the Zenith group to two years as compared to five years for both ENGAGE and GREAT. All-cause mortality was similar in all three groups across the period examined while aorta-related mortality was uncommon. Reintervention rate was 15% at two years following the utilisation of the Zenith aortic graft while the rate of intervention at five years was broadly similar between ENGAGE and GREAT.  Conclusion  The newer generation, lower profile aortic endografts appear to have provided a safe and successful tool in the management of AAA in female patients, despite more complex aortic anatomy with shorter infrarenal neck length and larger aortic neck angulation.

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The Impact of Endograft Selection on Mid-Term Outcomes in Female Patients Following Endovascular Aortic Aneurysm Repair (EVAR) for Abdominal Aortic Aneurysm (AAA)