[Prevention of infection in implantation of femur head prostheses].

An account of 581 patients managed with head prosthesis after femoral neck fractures between 1975-1988 revealed that the administration of prophylactic antibiotics coupled with the use of a laminar airflow system in the operating room reduced the infection rate from 5% to 0.75%. The important risk factors which predispose infection are poor physical state, chronic urinary tract infection as well as diabetes mellitus.