• J Bartonícek, J Skála-Rosenbaum, V Dzupa, F Svatos, and R Bartoska.
• Ortopedicko-traumatologická klinika, 3. LF UK a FNKV, Praha-Vinohrady. bartonic@fnkv.cz
• Rozhl Chir. 2005 Feb 1;84(2):88-95.

AbstractHemiarthroplasty has still its place in the therapeutic algorithm of the treatment of dislocated intracapsular femoral neck fractures. As compared to internal fixation it is accompanied by less complications and allows an immediate postoperative weight bearing. In contrast to total hip arthroplasty, this operation is not so demanding for the patient. However in the long-term perspective it is often associated with erosion of acetabulum. Therefore it is indicated mainly for biologically older patients with less physical activity without osteoarthritis of the hip. In these patients we usually prefer a cemented monoblock hemiarthroplasty. In case of biologically younger patients where it is impossible to use total hip arthroplasty due to general or local condition, modular hemiarthroplasty is indicated with a removable head allowing in case of acetabular erosion an easy conversion to total hip arthroplasty. Hemiarthroplasty must be correctly indicated and technically properly performed. First of all it is necessary to respect the relation between the centre of the prosthetic head and the apex of the greater trochanter, i.e. the head centre should be 1-2 mm below the level of apex of the greater trochanter. Further, it requires a correct anteversion and suture of the articular capsule as a prevention of postoperative dislocation.

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