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Anterolateral minimally invasive approach in hip arthroplasty with the patient in the supine position – a surgical technique

medicina fluminensis 2015, Vol. 51, No. 1, p. 41-51 41 Abstract. In the past 60 years, primary THA has been one of the most successful and most performed orthopaedic procedure. Over the years, hip arthroplasty has changed, and research continues to improve its results. Better materials and design provide patients with an increased range of motion with enhanced stability and very low wear. In recent years, there have been a number of reports describing the performance of THA through smaller incisions using minimally invasive surgical techniques, aimed to spare the soft tissue, especially the abductor musculature. These techniques allow less post-operative pain, reduced blood loss, shorter hospitalization, better functional recovery and faster return to everyday routine. However, tissue sparing techniques can result in numerous complications related to the learning curve. Today four minimally invasive approaches have been described and many of their modifications. All of them are technically demanding, and may require specialized instruments and equipments. This article describes in detail the surgical technique of a minimally invasive anterolateral hip approach with patients in the supine position, including the preoperative setting, with pearls and tips based on the authors’ experience.