Occult Bacteraemia and Aortic Graft Infection: A Wolf in Sheep’s Clothing

Table 1

Microbiology results.

Date	Clinical situation	Microbiology		Imaging
		Sample site	Culture results
Dec 2009	Inpatient admission; Septic arthritis	Synovial fluid	S. constellatus (enrichment only)	Jan. 2010 CT abdomen with contrast: no acute abnormality detected
Apr 2010	Inpatient admission; Relapsed septic arthritis	Blood	S. constellatus; Aerococcus urinae	Jul. 2010 CT abdomen and pelvis: no evidence of graft infection
Aug 2010	Inpatient admission; Recurrent septic arthritis	Joint fluid; Blood (x3)	Pseudomonas aeruginosa Pseudomonas aeruginosa Enterobacter cloacae	Aug. 2010 CT angiogram aorta: no evidence of abdominal aortic stent graft infection
Mar 2011	Outpatient clinic	Blood	Lactobacillus species
Apr 2011	Outpatient clinic; Admitted with PUO	Blood (x4)	Lactobacillus paracasei; Lactobacillus species; S. oralis	Apr. 2011 CT abdomen and pelvis: at least 2 small droplets of retroperitoneal gas which appear extraluminal and suspicious for sepsis related to the graft