[Perioperative antibiotic prophylaxis in allo-arthroplasty].

Since 1984 the perioperative prophylaxis was carried out using the antibiotics Oxacillin or Halospor in artificial joint replacement of the hip. We started with 1 g Oxacillin at the very beginning of the anaesthesie. Further 0.

[Studies of hip dislocation in twins].

An arbitrary series of twins is used to demonstrate that there is no increased morbidity from congenital dislocated hip joint in twins. A physiologic delay in ossification of the cartilaginously preformed parts of articulations is caught up during the first year of life. In addition, connection with pregnancy and birth is discussed and r recommendations for diagnosis and therapy using sonography are given.

[Preparation of a cytostatic-containing bone cement].

Local application of cytostatic during therapy of tumors in bones is desirable. In these cases the drugs had to be incorporated in bone glue. Liberation, stability and side-effects have been estimated using methotrexate and doxorubicin (Adriblastin) in vitro.