Fracture malunion occurs when a fracture heals in a non-anatomical position, which can result in functional impairment and/or a poor aesthetic. If fracture malunions are asymptomatic or not limiting function there is no need for further surgical intervention.
Malunions can be secondary to 1,4:
- inaccurate reduction (closed or open)
- loss of reduction
- inadequate immobilization
Malunion can alter biomechanics resulting in the development of post-traumatic osteoarthritis, in particular, if there is intra-articular malunion, or joint instability 1,4.
- 1. S. Terry Canale, James H. Beaty. Campbell's Operative Orthopaedics E-Book. (2012) ISBN: 9780323087186
- 2. Felix S. Chew. Skeletal Radiology. (2020) ISBN: 9781608317066
- 3. Bone healing: radiology of normal and diseased bone. doi:10.1594/ecr2017/C-1118
- 4. White TO, Mackenzie SP, Gray AJ. McRae's Orthopaedic Trauma and Emergency Fracture Management. (2015) ISBN: 9780702057298