Affiliation:
1. Department of Vascular Surgery, Princess Alexandra Hospital, Harlow CM20 1QX, UK
Abstract
Introduction. Aortic graft infection (AGI) is a rare complication following AAA repair and is associated with high morbidity and mortality. Management is variable, and there are no evidence-based guidelines. The aim of this study was to systematically review and analyse management options for AGI. Methods. Data was collected between July and August 2018. A full HDAS search was conducted on the following databases: MEDLINE, EMBASE, CINAHL, and PUBMED. Meta-analysis was conducted using RevMan 5 software. Results. 1,365 patient outcomes were assessed (10 cohort studies and 12 comparative studies). The most common treatment was in situ replacement of the graft (ISR) followed by extra-anatomical replacement (EAR). Various grafts were used for ISR, such as fresh/cryopreserved allograft, venous graft, and prosthetic grafts. No graft material was shown to be superior. Axillobifemoral graft was the commonest type of EAR used. In the majority of cohort studies, ISR was the main treatment for AGI. There was no significant difference in the overall mortality rate (ISR n=70/176 vs. EAR n=47/126, OR 0.93 [95% CI 0.36-2.36], P=0.87). Graft occlusion rate was significantly lower in the ISR group vs. the EAR group (n=14/115 vs. n=29/60 OR 0.16 [95% CI 0.07-0.36], P<0.001). There was no significant difference in the amputation rate between the surgical treatments (ISR n=9/141 vs. EAR n=8/82, OR 0.75 [95% CI 0.07-8.39], P=0.82). Discussion. In situ replacement is the preferred method of treatment as it had lower rates of occlusion. Further strong evidence is required, such as a multicentre trial to establish a management pathway for the condition.
Subject
Cardiology and Cardiovascular Medicine
Cited by
15 articles.
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