[The minimally invasive anterolateral approach. A review of the literature].

The minimally invasive anterolateral approach for total hip arthroplasty (THA) is used with modifications on the basis of the Watson Jones approach and the approach by Hardinge. Compared to other approaches no disadvantages were found in the majority of studies concerning surgical time, blood loss, pain and complications concerning this approach. Laboratory studies described less damage to the gluteus muscles. These results are supported by magnetic resonance imaging (MRI) studies and seem to be more important in older patients. The functional results are partially contradictory although there are no indications of any disadvantages. Increased complications in the form of fractures or malpositioning of implants can be interpreted as a result of a learning curve. A shorter stay in hospital has to be interpreted in the context of the local requirements of the respective health service. The evaluation of minimally invasive techniques carried out in reviews and meta-analyses does not distinguish between different approaches and is based on different time periods and selection criteria. Thus, the conclusions drawn cannot be absolutely applied to the minimally invasive anterolateral approach.