DOI: http://dx.doi.org/10.18203/2320-6012.ijrms20213953

Double plate fixation technique for prolonged non-weight baring induced severe disuse atrophy in hypertrophic non-union of left femur: a case report

Cokorda Gde Oka Dharmayuda, Cokorda Krishna Dalem Pemayun, I. Ketut Wahyu Trisaputra, Richard Afandi, Sri Mahadhana, Made Winatra Satya Putra, I. Gusti Ngurah Indra Wiguna

Abstract


Hypertrophic non-union differs from other forms of non-union due to its the biological capacity for union, in which it results from mechanical instability, namely the implant being unable to provide long lasting stability. Non-weight bearing state will cause bone resorption and further bone-mass loss with worsened prognosis. A 64-year-old female patient presented with inability to walk normally resulting from prolonged non-weight bearing-induced severe disuse atrophy in hypertrophic non-union of the left femur. Implant revision and osteoclasis were performed, followed by an urgent implant revision a few days later using double plating technique by placing the second plate on the anterior part of the femur. Post-operative X-ray showed satisfactory two implants placement and physiological alignment was achieved. Inappropriate initial treatment on the acute phase has led to prolonged non weight bearing state, resulting in disuse atrophy of the bone. This should have been predicted during the first implant revision on drilling both cortices, since even the slightest distraction resulted in severe consequences. Double plating system leads to absolute stability so acceptable union can be achieved. Initial treatment on acute setting of fracture should maximize every effort to restore proper functional state and should promote early mobilization. Any maltreatment will result in prolonged morbidity and will require more reconstruction effort with less than normal end result. Robust fixation and alignment can be achieved with double plating system; however, prolonged immobilization should be anticipated.


Keywords


Disuse atrophy, Double plate fixation, Hypertrophic non-union, Prolonged non-weight bearing

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