• Osamah S Niaz, Ahsan Rao, Ahmed Abidia, Rebecca Parrott, Jonathan Refson, and Pranav Somaiya.
• Department of Vascular Surgery, The Princess Alexandra Hospital, Harlow, UK.
• Cochrane Db Syst Rev. 2020 Aug 5; 8 (8): CD013469CD013469.

BackgroundAbdominal aortic graft infections are a major complication following abdominal aortic aneurysm surgery, with high morbidity and mortality rates. They can be treated surgically or conservatively using medical management. The two most common surgical techniques are in situ replacement of the graft and extra-anatomical bypass. Medical management most commonly consists of a course of long-term antibiotics. There is currently no consensus on which intervention (extra-anatomical bypass, in situ replacement, or medical) is the most effective in managing abdominal aortic graft infections. Whilst in emergency or complex situations such as graft rupture surgical management is the only option, in non-emergency situations it is often personal preference that influences the clinician's decision-making.ObjectivesTo assess and compare the effects of surgical and medical interventions for abdominal aortic graft infections.Search MethodsThe Cochrane Vascular Information Specialist searched the Cochrane Vascular Specialised Register, CENTRAL, MEDLINE, Embase, and CINAHL databases and WHO ICTRP and ClinicalTrials.gov trials registers to 2 December 2019. We also reviewed the bibliographies of the studies identified by the search and contacted specialists in the field and study authors to request information on any possible unpublished data.Selection CriteriaWe aimed to include all randomised controlled trials that used surgical or medical interventions to treat abdominal aortic graft infections. The definitions of abdominal aortic graft infections were accepted as presented in the individual studies, and included secondary infection due to aortoenteric fistula. We excluded studies presenting data on prosthetic graft infections in general, unless data specific to abdominal aortic graft infections could be isolated.Data Collection And AnalysisTwo review authors independently assessed all studies identified by the search. We planned to independently assess risk of bias of the included trials and to evaluate the quality of the evidence using the GRADE approach. Our main outcomes were overall mortality, amputation, graft re-infection, overall graft-related complications, graft-related mortality, acute limb ischaemia, and re-intervention.Main ResultsWe identified no randomised controlled trials to conduct meta-analysis.Authors' ConclusionsThere is currently insufficient evidence to draw conclusions to support any treatment over the other. Multicentre clinical trials are required to compare different treatments for the condition.Copyright © 2020 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.

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