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Semi-Conservative Treatment Versus Radical Surgery in Abdominal Aortic Graft and Endograft Infections
Uppsala Univ, Sweden.
Uppsala Univ, Sweden.
Uppsala Univ, Sweden.
Uppsala Univ, Sweden.
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2023 (English)In: European Journal of Vascular and Endovascular Surgery, ISSN 1078-5884, E-ISSN 1532-2165, Vol. 66, no 3, p. 397-406Article in journal (Refereed) Published
Abstract [en]

Objective: Abdominal aortic graft and endograft infections (AGIs) are rare complications following aortic surgery. Radical surgery (RS) with resection of the infected graft and reconstruction with extra-anatomical bypass or in situ reconstruction is the preferred therapy. For patients unfit for RS, a semi-conservative (SC), graft preserving strategy is possible. This paper aimed to compare survival and infection outcomes between RS and SC treatment for AGI in a nationwide cohort.Methods: Patients with abdominal AGI related surgery in Sweden between January 1995 and May 2017 were identified. The Management of Aortic Graft Infection Collaboration (MAGIC) criteria were used for the definition of AGI. Multivariable regression was performed to identify factors associated with mortality.Results: One hundred and sixty-nine patients with surgically treated abdominal AGI were identified, comprising 43 SC (14 endografts; 53% with a graft enteric fistula [GEF] in total) and 126 RS (26 endografts; 50% with a GEF in total). The SC cohort was older and had a higher frequency of cardiac comorbidities. There was a non-significant trend towards lower Kaplan -Meier estimated five year survival for SC vs. RS (30.2% vs. 48.4%; p = .066). A non-significant trend was identified towards worse Kaplan -Meier estimated five year survival for SC patients with a GEF vs. without a GEF (21.7% vs. 40.1%; p = .097). There were significantly more recurrent graft infections comparing SC with RS (45.4% vs. 19.3%; p < .001). In a Cox regression model adjusting for confounders, there was no difference in five year survival comparing SC vs. RS (HR 1.0, 95% CI 0.6 -1.5).Conclusion: In this national AGI cohort, there was no mortality difference comparing SC and RS for AGI when adjusting for comorbidities. Presence of GEF probably negatively impacts survival outcomes of SC patients. Rates of recurrent infection remain high for SC treated patients.

Place, publisher, year, edition, pages
W B SAUNDERS CO LTD , 2023. Vol. 66, no 3, p. 397-406
Keywords [en]
Aortic graft infection; Multicentre; Nationwide; Radical surgery; Semi-conservative
National Category
Surgery
Identifiers
URN: urn:nbn:se:liu:diva-198385DOI: 10.1016/j.ejvs.2023.06.019ISI: 001073895800001PubMedID: 37356704OAI: oai:DiVA.org:liu-198385DiVA, id: diva2:1803777
Available from: 2023-10-10 Created: 2023-10-10 Last updated: 2023-10-10

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Andersson, ManneForssell, Claes
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Division of Surgery, Orthopedics and OncologyFaculty of Medicine and Health SciencesDepartment of Thoracic and Vascular Surgery
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European Journal of Vascular and Endovascular Surgery
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