Fixation of AO-OTA 31-A1 and A2 trochanteric femur fractures using a sliding hip screw system: can we trust a two-hole side plate construct? A review of the literature.

Trochanteric femur fractures are frequently fixed with a four-hole side plate sliding hip screw device, but in recent decades two-hole side plates have been used in an attempt to minimize operative time, surgical dissection, blood loss and post-operative pain.The aim of this review was to determine whether two-hole sliding hip screw constructs are an acceptable option for fixation of AO-OTA 31-A1 and A2 trochanteric femur fractures.An electronic MEDLINE® database search was performed using PubMed®, and articles were included in this review if they were reporting historical, biomechanical, clinical or outcome data on trochanteric fracture fixation using a two-hole sliding hip screw device.A two-hole dynamic hip screw with a minimally invasive muscle-splitting approach is recommended for fixation of AO-OTA 31-A1 simple trochanteric fractures; this implant is biomechanically safe, and allows the use of a minimally invasive muscle-splitting approach which potentially provides better clinical outcome, such as decreased surgical trauma, shorter operative time, less blood loss, decreased analgesics use, and shorter incision length. As the majority of reviewed publications relate to the dynamic hip screw, it is not clear whether the above recommendations can be extended to any other sliding hip screw device.An intramedullary device is recommended for all other extra-capsular proximal femoral fractures. Cite this article:

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ICMJE Conflict of interest statement: The authors declare no conflict of interest relevant to this work.