Central head perforation, or "cut through," caused by the helical blade of the proximal femoral nail antirotation

Journal of Orthopaedic Trauma
Hans-Curd FreiKurt Käch

Abstract

This study was designed to investigate the specific type and incidence of implant failure in patients with a proximal femur fracture treated with a proximal femoral nail antirotation. This device has a helical-shaped blade as a neck-head holding device, instead of the lag screw used in other intramedullary nails. The advantage of the blade is believed to originate from bone impaction and a larger bone-implant interface in comparison with the lag screw design, with consequential greater mechanical resistance to torsion in the cancellous bone. This is a retrospective cohort study conducted at the state hospital of Winterthur, Switzerland. From December 2006 until November 2008, 210 consecutive patients were treated with a pertrochanteric femur fracture (OTA type 31-A1, 31-A2, and 31-A3) using a proximal femoral nail antirotation. One hundred and twelve patients were followed up clinically for a minimum of 12 months after discharge. Clinical and radiologic assessment of fracture healing and/or implant failure was investigated. We report 7 cases of implant failure with a "Cut Through," defined as a postoperative central perforation of the spiral blade into the hip joint, without any displacement of the neck-head fragment. Cut throu...Continue Reading

References

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Citations

Jul 23, 2015·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Mustafa SeyhanAfsar Timucin Ozkut
Jan 15, 2015·Orthopaedics & Traumatology, Surgery & Research : OTSR·M HélinP Massin
Aug 25, 2015·Injury·Theodoros H TosounidisPeter V Giannoudis
Apr 7, 2016·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Ji Wan KimCyril Mauffrey
Aug 16, 2016·Revista Brasileira De Ortopedia·Pedro Luciano Teixeira GomesAntónio Marques Dias
Jul 21, 2016·Journal of Orthopaedic Trauma·Paul C BaldwinKenneth J Koval
Jan 27, 2015·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Lukas KonstantinidisPeter Helwig
Sep 21, 2019·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·C KokoroghiannisD Evangelopoulos
Apr 18, 2017·Experimental and Therapeutic Medicine·Chen YiXiaoguang Cheng
Dec 15, 2018·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Mark LenzBoyko Gueorguiev
Dec 22, 2016·Innovative Surgical Sciences·Matthias Knobe, Hans-Christoph Pape
Apr 9, 2020·Archives of Orthopaedic and Trauma Surgery·Michael YamE B K Kwek
Aug 7, 2017·International Orthopaedics·Matthias KnobeBenjamin Buecking
Nov 5, 2019·Orthopaedics & Traumatology, Surgery & Research : OTSR·Matthieu EhlingerFrançois Bonnomet

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