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Meta-Analysis
. 2019 Aug;58(2):258-281.
doi: 10.1016/j.ejvs.2019.03.013. Epub 2019 Jun 7.

Systematic Review and Meta-Analysis on the Management of Open Abdominal Aortic Graft Infections

Ivo C J H Post  1 , Cornelis G Vos  2
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Free article
Meta-Analysis

Systematic Review and Meta-Analysis on the Management of Open Abdominal Aortic Graft Infections

Ivo C J H Post et al. Eur J Vasc Endovasc Surg. 2019 Aug.
Free article

Abstract

Objective: Aortic graft infection (AGI) is a disastrous complication with an incidence of 0.2-6% in operated patients. With little or no high quality evidence, the best treatment option remains unclear. Therefore, the literature on the management of open abdominal AGI was systematically reviewed to determine optimal treatment.

Methods: In accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic review and meta-analysis was conducted for AGI. MEDLINE, Embase, and the Cochrane Database of Systematic Reviews were searched. Methodological quality was assessed using the Methodological Index for Non-randomised Studies (MINORS) score. Primary outcomes were 30 day mortality and one year survival. Secondary outcomes were survival, infection recurrence, limb salvage, and graft patency.

Results: Of 1574 studies identified, 32 papers were included in the study. The overall quality of the studies was moderate, with an average MINORS score of 11.9. Pooled overall 30 day mortality and one year survival were 13.5% (95% CI 10.5-16.4) and 73.6% (95% CI 68.8-78.4), respectively. The lowest 30 day mortality and highest one year survival were found for in situ repair compared with extra-anatomic repair and for prosthetic grafts compared with venous grafts or arterial allografts. The infection recurrence rate was highest for prosthetic grafts.

Conclusions: There is a lack of well designed, qualitative comparative studies making conclusive recommendations impossible. The current best available data suggests that partial graft removal should be avoided and the lowest 30 day mortality and best one year survival are achieved with in situ repair using prosthetic grafts. Initiatives such as the MAGIC database to collaboratively collect prospective data are an important step forward in obtaining more solid answers on this topic.

Keywords: Aorta; Graft; Infection; Open; Prosthesis; Treatment.

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