Autopsy and Case Reports
https://autopsyandcasereports.org/article/doi/10.4322/acr.2013.007
Autopsy and Case Reports
Article / Clinical Case Report

Late infra-renal aortic graft infection: a fearsome complication

Fernando Peixoto Ferraz de Campos; Erasmo Simão Silva; Nelson De Luccia; Vivian Helena Ribeiro; Brenda Margatho Ramos Martines; João Augusto dos Santos Martines

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Abstract

Since the 1950s, aortic graft infections (AGIs) constitute one of the most feared complications after reconstructive vascular surgery. This complication is not frequent, ranging from 1% to 2% in the recently reported series; however, the high rate of death and morbidity after therapeutic attempts justifies its dreadful fame. The majority of cases occur during the first month after surgery. Staphylococcus aureus is the cause of 70% of the early infection cases. Late infections, on the other hand, are even rarer, showing a strong relationship with low virulence microorganisms, where Staphylococcus epidermidis is the main cause. Gram-negative bacteria are also observed in late infections, mainly when an aortic or graft enteric fistula is present. Treatment modalities are plenty, but still debatable. The authors report a case of a woman who was operated on 6 years ago for a reconstructive aortic aneurysm with the implantation of an infrarenal Dacron graft in the aorto bifemoral position. She looked for medical assistance with a 2-month history of weight loss, abdominal/back pain, and fever. Her clinical status rapidly deteriorated. A computed tomography of the abdomen disclosed the diagnosis of an AGI. The patient was promptly treated with antibiotics. Surgery was undertaken to explant the infected graft and another graft was placed into the axillobifemoral position. Culture from the infections site was negative. After surgery the patient quickly developed refractory septic shock and died immediately post-operatively.

Keywords

Aortic Aneurysm, Vascular Grafting, Infection, Diagnosis

Publication date:
01/13/2016

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