• Marc Dreimann, Yu-Mi Ryang, Benjamin Schoof, Darius Thiessen, Sven Oliver Eicker, Patrick Strube, and Martin Stangenberg.
• Department of Trauma and Orthopedic Surgery, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany. m.dreimann@uke.de.
• Arch Orthop Trauma Surg. 2022 Apr 1; 142 (4): 591-598.

IntroductionVery few publications have previously described spondylodiscitis as a potential complication of endovascular aortic procedures (EVAR/TEVAR). We present to our knowledge the first case series of spondylodiscitis following EVAR/TEVAR based on our data base. Particular focus was laid on the complexity of disease treatment and grave outcome perspectives from a spine surgeon's point of view in this seriously affected patient group.Materials And MethodsA retrospective analysis and chart review was performed for 11 out of 284 consecutive spondylodiscitis patients who underwent EVAR/TEVAR procedure and developed destructive per continuitatem spondylodiscitis.ResultsAll 11 patients had single or more level destructive spondylodiscitis adjacent to the thoracic/lumbar stent graft. In mean, four surgeries were performed per patient to treat this rare complication. Six out of eleven patients (55%) died within 6 months of first identification of per continuitatem spondylodiscitis. In four patients due to persisting infection of the graft and recurrence of the abscess formation, a persisting fistula from anterior approach to the skin was applied.ConclusionsDestructive per continuitatem spondylodiscitis is a rare and severe complication post-EVAR/TEVAR. Clinical and imaging features of anterior paravertebral disease and anterior vertebral body involvement suggest direct continuous spread of the graft infection to the adjacent vertebral column. The mortality rate of these severe infections is extremely high and treatment with a permanent fistula may be one salvage procedure.© 2020. The Author(s).

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