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Abstract
Endovascular aortic repair (EVAR) can treat anatomically compatible ruptured abdominal aortic aneurysms (rAAA), but registry data suggests that women undergo more open abdominal aneurysm repairs than men. We evaluate in-hospital outcomes of EVAR for rAAA by sex.The Vascular Quality Initiative (VQI) registry was queried from 2013 to 2019 for rAAA patients treated with EVAR. Univariate analysis was performed with Student's t-test and chi-squared tests. Multivariable logistic regression was then performed to assess the association between female sex and inpatient mortality.1775 patients were included (23.8% female). Female rAAA patients were older (p < 0.01) and weighed less (p < 0.01). They were less likely to have smoked (p <. 001) and had lower creatinine (1.29 vs 1.43, p <0.01) and hemoglobin (10.7 vs 11.7, p < 0.01). Women had smaller maximum aortic diameters (74 vs 66 mm, p < 0.01) and were less likely to have iliac aneurysms (p <.001). Women were more likely to have concomitant femoral endarterectomy (8.5% vs 4.6%, p=.03). Despite having no significant difference in complication or reintervention rates, women had higher rates of in-hospital mortality (45.9% vs 34.5%, p < 0.01). In a logistic regression model for predictors of in-hospital mortality (?2 < .01), increased age (OR 1.08, p < 0.01), female sex (OR 1.7, p=0.02), preoperative cardiac arrest (OR 5.29, p<0.01), concurrent iliac stenting (OR 2.38, p =0.02), postoperative mesenteric ischemia (OR 2.51, p<0.01) and postoperative transfusion (OR 1.06, p <0.01) were independently associated with in-hospital mortality. Increased preoperative hemoglobin was protective (OR 0.89, p < 0.01) CONCLUSIONS: Female sex is independently associated with in-hospital mortality after EVAR for rAAA, suggesting a relationship beyond anatomical, biochemical, and procedural covariates.
View details for DOI 10.1016/j.avsg.2021.08.043
View details for PubMedID 34752855