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Rivista di Chirurgia Cardiaca, Vascolare e Toracica

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The Journal of Cardiovascular Surgery 2014 October;55(5):693-8

lingua: Inglese

Mid- and long-term results after replacement of infected peripheral vascular prosthetic grafts with biosynthetic collagen prosthesis

Wiltberger G. 1, Matia I. 1, Schmelzle M. 1, 2, Krenzien F. 1, Hau H.-M. 1, Freitas B. 1, Jonas S. 1, Fellmer P. T. 1

1 Department of Visceral-, Transplantation-, Thoracic-, and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany;
2 Translational Centre for Regenerative Medicine, University of Leipzig, Germany


AIM: We assess mid- and long-term outcome after prosthetic graft replacement with biosynthetic collagen prosthesis (Omniflow II®) in the presence of graft infection.
METHODS: Between December 2010 and January 2012, an analysis of 9 consecutive patients was performed, who underwent replacement of an infected peripheral graft with a biosynthetic prosthesis. Morbidity, in-hospital mortality, primary and secondary patency were analyzed. FDG-PET was performed to diagnose graft infection, and exclude reinfection at long-term follow-up.
RESULTS: Graft infection occurred after a median of 12 (range 3-97) months after the initial procedure. Replacement surgery was performed successfully in all 9 patients without intraoperative complications. Microbiological cultures revealed pathogenic infection in 7 cases. In 2 patients, no pathogen was isolated. The morbidity rate was 55.5% with no in-hospital deaths. Early and late bypass occlusion occurred in 2 patients. One high above-knee amputation was performed due to patient deterioration. The median length of stay was 23 (range 12-122) days and after graft replacement 13 (range 10-62) days. The median time of follow up was 23 (range 8-25) months. Primary and secondary patency rates were 66.6% and 78% at 19 months, respectively. FDG-PET was performed in 6 (85.5%) patients after a median follow up period of 19 (range 3-23) months, and excluded graft reinfection in all patients.
CONCLUSION: Replacement of infected peripheral prosthetic grafts with the prosthesis (Omniflow II®) has encouraging results. The collagen prosthesis appears to be a promising alternative with a low reocclusion rate and no reinfection.

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