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Large Hepatic Artery Pseudoaneurysm Resection After Orthotopic Liver Transplantation

Robert Novotny, Libor Janousek, Kvetoslav Lipar, Jaroslav Chlupac, Jiri Fronek

(Department of Transplant Surgery, Institute for Clinical and Experimental Medicine, Prague, Czech Republic)

Am J Case Rep 2019; 20:1592-1595

DOI: 10.12659/AJCR.917728


BACKGROUND: Hepatic artery (HA) pseudoaneurysm (PSA) after liver transplantation (OLTx) is rare but often fatal complication requiring quick repair. Its prevalence in patients after OLTx is around 0.94%.
CASE REPORT: A 41-year-old female patient underwent a full-graft orthotopic liver transplantation (OLTx) for alcoholic liver cirrhosis in 2017. During regular postoperative Doppler ultrasonography (DU) check-ups, a large 3-cm pseudoaneurysm (PSA) was detected on the hepatic artery. The patient underwent a computed angiography (CTA) to verify the PSA anatomical localization and relationship with the transplanted liver graft. Selective celiac arteriography showed HA PSA and 90% stenosis of the hepatic artery after PSA. The stent graft placement was unsuccessful as the guiding wire was unable to pass through the post-PSA HA stenosis. The patient was scheduled for an open repair under general anesthesia. Through a right subcostal incision, the HA PSA was resected and the HA was mobilized and re-anastomosed using an end-to-end technique. Three months after the procedure, the patient has a good liver graft perfusion through the HA with no sign of PSA reoccurrence or stenosis.
CONCLUSIONS: Early detection of the HA PSA after OLTx is a life-threatening complication requiring prompt treatment. If endovascular treatment options fail, open surgical repair, despite its challenges, is the only possible treatment option.

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