Atypical fractures associated with prolonged bisphosphonate (BP) therapy rarely occur outside the femur, and the diagnostic criteria, appropriate treatment principles, and fixation methods for atypical ulnar fractures have not been established. The authors experienced the use of internal fixation with a metal plate and a new internal fixation method with an intramedullary nail in the treatment of an atypical ulnar fracture in a patient who had been on BP therapy for 10 to 20 years. This paper reports findings along with a review of the relevant literature.
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Treatment of Atypical Ulnar Fracture Associated with Bisphosphonate Therapy: A Case Report Dong-Soo Kim, Ji-Kang Park, Eui-Sung Choi, Ho-Seung Jeong, Seok-Hyun Hong, Byung-Hyun Ahn Journal of the Korean Fracture Society.2020; 33(2): 101. CrossRef
PURPOSE The purpose of this study was to analyse the result of operative treatment in ipsilateral femur neck and shaft fracture. MATERIALS AND METHODS Eleven cases of ipsilateral femur neck and shaft fractures were operated and followed more than 1 year. There were 11 men and the mean age at index operation was 38 years (range 22~54). In neck fracture there were 3 of type I, 6 of type II, and 1 of type III according to Garden classification, shaft fractures were located at middle 1/3(7 cases), at distal 1/3(4 cases). We evaluate the operation time, union time, nonunion, malunion, and clinical evaluation with pain and joint stiffness. RESULTS In neck fractures treatment methods were 8 of multiple pinning, 2 of reconstruction nail and 1 of CHS, in shaft fractures 2 of DCP, 7 of retrograde nailing (3 Ender nail, 4 interlocking nail). The mean operation time was 180 minutes in reconstruction nail, 220 minutes in multiple pinning and DCP and 200 minutes in multiple pinning and retrograde nailing. The mean time for shaft union was 5 months. The complications were 1 case of neck reduction loss during operation in reconstruction nailing group, 2 of aseptic necrosis of femur head, 2 of shaft nonunion in retrograde nailing group, 1 of persistant pain around knee in Ender nailing group. CONCLUSION The author think that reconstruction nail fixation is technically difficult, thus neck and shaft fracture be fixed individually. Neck fracture can be fixed first without difficulty and shaft fracture should be fixed rigidly due to comminution.
Ipsilateral fracture of the femur and tibia is difficult to treat because it is often comminuted and combined with severe soft tissue injury. And The result of treatment is poor in most cases. The thirty-four cases were treated at Pusan Paik Hospital from March, 1992 to February, 1995. The result were as follows; 1. The bony union time was shorter in the intramedullary nailing than other methods.
2. There were less complications in the group of used intramedullary nailing than other methods.
3. The intramedullary nailing was relatively good treatment method for ipsilateral fracture of the femur and tibia.