Treatment Strategies for a Pancreaticoduodenal Artery Aneurysm with or without a Celiac Trunk Occlusive Lesion

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Objectives: A true pancreaticoduodenal artery aneurysm (PDAA) is a rare disease, and has some unique characteristics: a high rupture risk and a strong correlation with celiac trunk stenotic lesions (CTSL). We showed here that our treatment strategy for PDAA.Materials and Methods: Seven consecutive patients with PDAA at our institution from 1998 to 2011 were retrospectively reviewed. Of the 7 patients, five were male and two were female, with a mean age of 55 ± 9.7 years. Three aneurysms were diagnosed incidentally, and the remaining four ruptured. The locations of the aneurysm were the anterior superior pancreaticoduodenal artery (ASPDA) in 3 patients and the inferior pancreaticoduodenal artery (IPDA) in four. CTSL found 3 patients in the IPDA.Results: Of four ruptured patients, emergency catheter coil embolization was performed in three, and a simple ligation was performed in one. Three patients with non-ruptured aneurysms in the IPDA with a CTSL underwent direct aneurysm resection with arterial reconstruction. Six patients were successfully treated without complications or the appearance of new aneurysms during the follow-up period.Conclusion: The treatment strategy for PDAA should be selected by the site of the aneurysm, the patients' condition, and the anatomical situation. A hybrid treatment could be considered a beneficial option for a CTSL.
日本脈管学会、日本血管外科学会、日本静脈学会の論文