Endovascular Oriented Classification and Treatment of Celiac Trunk Aneurysms: 10 Years Experience.

To propose an endovascular-oriented classification of celiac trunk aneurysms (CTa) and discuss single center results of this rare pathology. Data of all patients admitted to our institution for CTa from 2011 to 2021 were prospectively collected. Of them, those who underwent endovascular treatment were retrospectively analyzed. All preoperative CT scans were reviewed and CTa were classified in 4 different configurations based on progressive distal landing zone. We excluded from the classification all cases with median arcuate ligament syndrome (MALS), patients with coexistent aortic dilation or no endovascular proximal neck. Preoperative demographics, intraoperative data and post-operative complications were recorded. All-cause late mortality and complications were identified through a review of office charts and telephone assessment. During the study period 19 patients were referred to our Institution for CTa. Ten patients underwent endovascular treatment (ET). In 6 cases a watchful waiting strategy was adopted, 2 (10.5 %) patients refused ET and one patient without suitable proximal landing zone (< 10 mm) was not proposed to open surgical repair for surgical contraindication but is followed by strict instrumental and clinical evaluation. Six (60%) patients presented type 2 CTa; all of them underwent ET requiring positioning of covered stent-graft and SA embolization. Three (30%) patients presented type 3 CTa; all of them underwent ET with covered stent-graft deployment over the GDA with preliminary embolization. One (10%) patient presented type 4 CTa that was treated by means of covered stent-graft deployment along the right hepatic artery with left hepatic artery embolization. Overall, no major complications and perioperative mortality was observed. Celiac trunk aneurysms are rare, and no classifications have still been presented. Stent-graft exclusion provides excellent short-term outcome with no significant morbidity and mortality rate when technically feasible.

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