
handle: 10481/52598
La prevalencia de reacciones periprotésicas estériles en injertos vasculares es de aproximadamente un 0,8%. Son situaciones clínicas donde resulta difícil determinar si su origen reside en una infección por gérmenes de crecimiento lento o es secundario a un rechazo inmunológico al material o por una desestructuración del mismo. Revisamos y comentamos las principales características para distinguir ambas situaciones clínicas. Se aporta un ejemplo clínico que trata de un paciente con injerto vascular de Dacron y una colección de 6 años de evolución, estéril, que rodea el total de la prótesis y requiere su explante y sustitución por un nuevo injerto. En conclusión, ante los casos de reacciones periprotésicas tardías es obligado excluir la presencia de infecciones latentes, pero se recomienda profundizar en el estudio de la respuesta inmunológica frente a los materiales del injerto vascular.
The prevalence of sterile perigraft reaction is approximately 0.8% in vascular grafts. To diagnose between an infection by germs of slow growth or a secondary reaction to an immune rejection of the material is difficult in this clinical situation. We review and discuss the main features to distinguish these two clinical possibilities. We report a patient case report with dacron vascular graft and a perigraft collection, sterile, around the total prosthesis which required explantation and replacement by a new graft. In conclusion, to cases of late periprosthetic reactions is required to exclude the presence of latent infections, but recommended further study of the immune response against vascular graft materials.
Injerto vascular, Infección protésica, Biofilm bacteriano, Rechazo inmune
Injerto vascular, Infección protésica, Biofilm bacteriano, Rechazo inmune
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