... emergence of high local antibiotic concentrations due to the con-tinuous friction of the articulating components. Ce-ment debris can be then easily removed at the time of the prosthesis reimplantation ... improve the femoral fixa-tion of the spacer stem. Alternatively to that and at stable femoral fixation, the spacer itself may dislocate out from the hip socket. In these cases, specific atten-tion ... unstable joint situation results, the outcome of the surgery is en-dangered or the mobilisation of the patient is hereby limited. Generally, the surgical treatment of these fractures should...