Aortic graft infection and mycotic aneurysm with Streptococcus equi zooepidemicus: two cases with favorable outcome of antibiotic treatment

Altreuther, Martin; Lange, Conrad; Myhre, Hans O.; Hannula, Raisa

doi:10.1258/vasc.2011.cr0299

Cited by 16 publications

(10 citation statements)

References 9 publications

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“…Therefore, our intent is for the patient to remain on lifelong antibiotic prophylaxis. S. equi has been reported to cause secondary infections of atherosclerotic abdominal aorta aneurysms and vascular grafts [18,19]. Our report demonstrates that the organism can cause mycotic aneurysms as well.…”

Section: Discussionsupporting

confidence: 55%

Mycotic Abdominal Aortic Aneurysm Caused by Streptococcus equi

Schwartz¹,

McCarville²,

Wong³

2021

Cureus

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Streptococcus equi is a bacterium common in equine species and an uncommon pathogen in humans. Reported human infections can be severe and include meningitis, septic arthritis, and endocarditis. We report the case of a 64-year-old male who S. equi with several months of constitutional symptoms, back pain, and abdominal pain. Imaging demonstrated a large abdominal aortic aneurysm with a contained retroperitoneal rupture, with cultures from the aneurysm and blood cultures both positive for S. equi. The patient was successfully treated with open repair and placement of a Dacron graft and intravenous antibiotics and will remain on lifelong antibiotic prophylaxis.

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Section: Discussionsupporting

confidence: 55%

Mycotic Abdominal Aortic Aneurysm Caused by Streptococcus equi

Schwartz¹,

McCarville²,

Wong³

2021

Cureus

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“…The efficacy of aortic stent-graft deployment in the management of mycotic abdominal aortic aneurysms as an alternative strategy has been described by Kan et al 24 Kan et al 25 also mentioned from a literature review, they performed that the 30-day survival rate was 89.6%, and the 2-year survival rate was 82.2%. Altreuther et al 26 reported 2 cases of mycotic aneurysms with streptococcus equi zooepidemicus treated with EVAR and prolonged antibiotic administration. A European multicenter analysis of 123 patients treated for mycotic aortic aneurysms with EVAR demonstrated the feasibility of this approach, with 91% survival at 30 days, whereas it comprised a durable option.…”

Section: Discussionmentioning

confidence: 99%

Mycotic Aneurysm Due to Leclercia Adecarboxylata: A Complication of Vertebral Osteomyelitis

Voulalas

Makris

Papacharalampous

et al. 2016

Annals of Vascular Surgery

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“…With time, a graft biofilm infection can evolve to a more virulent infectious process, with superinfection by other bacteria such as methicillin-sensitive S. aureus or MRSA 12. Recent case reports have shown the appearance of unusual etiological agents as Streptococcus equi zooepidemicus in patients who had contact with animals or animal products 24…”

Section: Discussionmentioning

confidence: 99%

Late infra-renal aortic graft infection: a fearsome complication

Campos¹,

Silva²,

Luccia³

et al. 2013

ACR

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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

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Aortic graft infection and mycotic aneurysm with Streptococcus equi zooepidemicus: two cases with favorable outcome of antibiotic treatment

Cited by 16 publications

References 9 publications

Mycotic Abdominal Aortic Aneurysm Caused by Streptococcus equi

Mycotic Abdominal Aortic Aneurysm Caused by Streptococcus equi

Mycotic Aneurysm Due to Leclercia Adecarboxylata: A Complication of Vertebral Osteomyelitis

Late infra-renal aortic graft infection: a fearsome complication

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