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Srpski arhiv za celokupno lekarstvo 2013 Volume 141, Issue 11-12, Pages: 750-757
https://doi.org/10.2298/SARH1312750P
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In situ replacement of infected vascular prosthesis with fresh arterial homograft: Early and long-term results in 18 patients

Pejkić Siniša (Klinički centar Srbije, Klinika za vaskularnu i endovaskularnu hirurgiju, Beograd)
Jakovljević Nenad (Klinički centar Srbije, Klinika za vaskularnu i endovaskularnu hirurgiju, Beograd)
Kuzmanović Ilija (Klinički centar Srbije, Klinika za vaskularnu i endovaskularnu hirurgiju, Beograd)
Marković Miroslav (Klinički centar Srbije, Klinika za vaskularnu i endovaskularnu hirurgiju, Beograd + Medicinski fakultet, Beograd)
Cvetković Slobodan (Klinički centar Srbije, Klinika za vaskularnu i endovaskularnu hirurgiju, Beograd + Medicinski fakultet, Beograd)
Činara Ilijas (Klinički centar Srbije, Klinika za vaskularnu i endovaskularnu hirurgiju, Beograd + Medicinski fakultet, Beograd)
Kostić Dušan (Klinički centar Srbije, Klinika za vaskularnu i endovaskularnu hirurgiju, Beograd + Medicinski fakultet, Beograd)
Maksimović Živan (Klinički centar Srbije, Klinika za vaskularnu i endovaskularnu hirurgiju, Beograd + Medicinski fakultet, Beograd)
Davidović Lazar ORCID iD icon (Klinički centar Srbije, Klinika za vaskularnu i endovaskularnu hirurgiju, Beograd + Medicinski fakultet, Beograd)

Introduction. Graft infection is rightly considered one of the severest complications of vascular reconstruction. Treatment is non­standardized and associated with high mortality and morbidity rates. The choice of therapeutic modality depends upon variety of factors. One increasingly used option is in situ replacement of the infected prosthesis with the arterial allograft. Objective. The aim of this prospective nonrandomized study was to evaluate the effectiveness and durability of fresh arterial allograft as in situ substitute for the infected vascular prosthesis. Methods. During period of 2002-2005, 18 patients with the synthetic vascular graft infection underwent partial or complete prosthesis removal and secondary in situ reconstruction using the fresh arterial allograft, preserved under hypothermic conditions in buffered saline solution with an addition of antibiotics. Results. In 14 male and 4 female patients, meanaged 62 years, 8 aortic and 10 peripheral arterial infected prostheses were partially or completely replaced with the allograft. Operative mortality was 27.8% and amputation rate was 22.2%. Systemic sepsis at initial presentation and highly virulent nature of causative microorganisms were identified as significant negative prognostic factors (χ² test, p<0.05). During the long­term follow­up (mean 47 months), allograft aneurysm developed in three patients, requiring allograft explantation, followed in two cases by tertiary prosthetic reconstruction. Conclusion. Substitution of the infected prosthesis with the arterial allograft could be successful if used selectively - for less virulent and localized infections of extracavitary grafts. Close follow­up is mandatory for timely diagnosis of late homograft lesions and its eventual replacement with more durable prosthetic material.

Keywords: vascular graft infection, infected prosthesis in situreplacement, arterial allograft