Diagnosis of an Abdominal Aortic Graft Abscess by Combined Ultrasonography and Scintigraphy

Simpson, Alan J.; Astin, Jan K.; Peck, Marc R.

doi:10.1097/00003072-197908000-00007

Cited by 10 publications

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“…14,15 Although the Ga-67 scan has demonstrated a sensitivity of 78-100% and a specificity greater than 90% for graft infection, 3,15 it has excited little interest and received only limited attention from a few researchers. 6,16,17 In 1980, Causey et a1. 14 first reported Ga-67 uptake in 5 vascular grafts with proven infection.…”

Section: Discussionmentioning

confidence: 99%

Ga-67 citrate scan in vascular graft infection

et al. 1992

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The clinical utility of the Ga-67 scan has been studied in 9 patients with clinical suspicion of vascular graft infection. Eleven grafts were analyzed: 4 aortobifemoral, 2 iliofemoral, 3 femoropopliteal, 1 axillofemoral, and 1 axillobifemoral. The Ga-67 scan was positive in 8 grafts with bacteriological proof of infection and negative in 3 grafts in which infection was ruled out by clinical follow-up. A Ga-67 scan also demonstrated the spread of infection to the thigh in two patients and to the pelvis in another two patients. In 4 patients CT was performed. The CT findings included graft thrombosis, perigraft fluid collection and thickened graft wall. No discrepancies were found between the CT scan and Ga-67 scan. In three patients a control Ga-67 scan was carried out after specific antibiotic and surgical treatment. Two of these showed increased Ga-67 uptake and spreading of infection along the graft; in the other patient, a Ga-67 scan revealed normalization after resolution of an abdominal abscess. In conclusion, the Ga-67 scan proved useful in the diagnosis of vascular graft infection, the definition of location of the extent of the disease and in the evaluation of the efficiency of treatment.

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