Intramedullary Fixation Techniques for Tibial Fractures
Summary
Intramedullary fixation has become the standard of care for shaft and metaphyseal tibial fractures due to its load-sharing properties, minimally invasive approach and high union rates. By placing a rigid rod within the medullary canal, these techniques restore alignment while preserving periosteal blood supply. Modern nails employ multiple interlocking screws to control rotation, axial shortening and varus–valgus angulation. Entry may be via infrapatellar or suprapatellar portals, each offering advantages in reduction and soft-tissue handling for proximal, middle and distal third fractures. Reamed designs improve nail–bone contact and may accelerate callus formation, while unreamed systems reduce surgical trauma in high-energy or open injuries. Adjuncts such as poller screws and computer-assisted guidance help to correct deformities in proximal and distal segments. Despite advances, anterior knee pain, malalignment and nonunion remain notable complications, driving ongoing research into biomechanical optimisation, novel implant materials and patient-centred rehabilitation protocols. Globally, intramedullary nailing supports rapid weight-bearing and functional recovery, making it the cornerstone of tibial fracture management in both resource-rich and austere settings.
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Intramedullary Fixation Techniques for Tibial Fractures publication trend
The graph below shows the total number of articles in intramedullary fixation techniques for tibial fractures across all publications each year (not limited to Nature Index journals).
Technical terms
Intramedullary nail: A metal rod inserted into the central canal of the tibia to stabilise fractures by sharing axial load.
Interlocking screw: A transverse or oblique screw passing through both bone cortex and the nail to control rotation and length.
Suprapatellar approach: A semi-extended entry technique accessing the tibial canal above the patella to facilitate reduction and minimise malalignment.
Infrapatellar approach: A flexed-knee technique entering below the patella that may increase risk of anterior knee pain and malreduction in distal fractures.
Poller screw: A blocking screw placed adjacent to the nail trajectory to guide reduction and limit malalignment, especially in metaphyseal regions.
References
- Biomechanical comparison of intramedullary nail and plate osteosynthesis for extra-articular proximal tibial fractures with segmental bone defect. Frontiers in Bioengineering and Biotechnology (2023).
- Suprapatellar vs infrapatellar approaches for intramedullary nailing of distal tibial fractures: a systematic review and meta-analysis. Journal of Orthopaedics and Traumatology (2023).
- Comparison of suprapatellar versus infrapatellar approaches of intramedullary nailing for distal tibia fractures. Journal of Orthopaedic Surgery and Research (2020).
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