Nem infrarenalis lokalizációjú hasi aortaaneurysmák miatt végzett nyitott műtétek hosszú távú adatainak elemzése

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Introduction: Solid evidence is not available on the ideal technique of surgical repair (open or endovascular) of noninfrarenal abdominal aortic aneurysms. Objective: Our aim was to analyze the postoperative effect of mortality and the level of proximal cross-clamping of the patients who underwent open surgical aortic repair of non-infrarenal abdominal aortic aneurysms with intact wall. Method: This is a retrospective, single-centre study, which reviews the results of open surgical repair, performed for intact non-infrarenal abdominal aorta aneurysms between 2005 and 2017. Aneurysms were analyzed in two groups, based on the level of aortic cross-damping: juxta-pararenal aortic aneurysm group with inter- or suprarenal aortic cross-clamping and suprarenal aortic aneurysm group with supraceliac aortic cross-clamping. Primary endpoints were 30-day, 1-, 2- and 5-year mortality. Secondary endpoints were postoperative acute kidney injury, including hemodialysis, and major postoperative complications. Results: In our clinic, 94 patients underwent open surgical aortic repair with cross-clamping above at least one renal artery. The median follow-up was 3.14 (1.55-5.00) years. The overall 30-day, 1-, 2- and 5-year mortality were 9%, 20%, 27% and 48%, respectively. The mortality was significantly lower in the juxta/pararenal abdominal aortic aneurism group at 30 day and 1 year. The overall perioperative incidence of acute kidney injury was 54% and 30% at discharge. Significantly more in-hospital acute renal dysfunction was noticed in the patients with suprarenal aortic aneurysm than with juxta/pararenal aneurysm, however, the difference was not significant at discharge. Major postoperative complications were more frequent in the suprarenal aneurysm group. Conclusion: Open surgical repair of abdominal aortic aneurysms with supraceliac aortic cross-clamping is associated with significantly higher morbidity, early and mid-term mortality than the repair of juxta/pararenal aneurysms. Chronic kidney disease and major postoperative complications are independent factors of mid- and long-term mortality.

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