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Operative treatment of femoral shaft fractures in children and adolescents.

Although femoral shaft fractures constitute fewer than 2% of all fractures in children and adolescents, their treatment has produced many pieces of literature and years of controversy. Prevailing opinion has favored nonoperative and operative treatment, and a variety of techniques have been advocated to avoid complications such as nonunion, limb-length discrepancy, malalignment, osteonecrosis, and growth disturbance. Currently, operative methods of treatment generally are favored to allow early ambulation and shorter hospital stays and to avoid detrimental psychological and social effects often associated with prolonged nonoperative treatment, and to avoid complications. Options for operative fixation include external fixators, flexible and locked intramedullary nails, and compression and bridge plating. Although all of these can obtain good results in particular situations, there is no clear consensus of the indications for each. My choice for fixation of each fracture is based on consideration of a number of factors, including the age and size of the child, associated injuries, the location and pattern of the fracture, and the social situation of the child. In general, I prefer flexible nailing for younger children (6-10 years old) and locked nailing for adolescents at or near skeletal maturity. Bridge plating may be chosen for segmental, grossly comminuted fractures, whereas external fixation usually is reserved for severely comminuted or severe open fractures for which internal fixation is not appropriate.

Adolescent↗

Synovial metallosis resulting from intraarticular intramedullary nailing of a distal femoral nonunion.

An 80-year-old man sustained a T-shaped supracondylar fracture of the femur associated with distal one-third shaft comminution. Initial failure of a 95 degrees angle blade plate was followed by insertion of an intraarticular intramedullary nail stabilized with static locking-screw fixation. A second failure of the implant was treated by extraarticular tension band condylar buttress plate osteosynthesis. Severe knee synovial metallosis was found at the time of removal of the intraarticular nail device.

Aged↗

Femoral shaft nonunion treated by a fluted intramedullary rod.

Twenty-five consecutive nonunions or delayed unions of the femoral shaft were treated by a fluted intramedullary rod. Fourteen patients were men; 11 were women. Sixteen fractures represented failures of closed management. Five patients had failures of primary open reduction and internal fixation. Four patients had had one attempt at operative treatment of nonunion. All but one fracture united. The one exception required a second procedure. Excellent bending and rotary fixation were achieved and union occurred promptly in most cases. Iliac crest bone grafting was not routinely required for good results. There were no major complications in this series. Two patients with severe knee extension contractures required quadricepsplasty at a later date to recover knee motion. One fracture healed with a 15 degree valgus malunion. The strength and rigidity make this device extremely reliable for the treatment of femoral shaft nonunion.

Adolescent↗

The unreamed tibia nail. Multicenter study of the AO/ASIF. Osteosynthesefragen/Association for the Study of Internal Fixation.

In the last 10 years, traumatologists have become more aware of the importance of blood supply to fracture fragments for both the healing of fractures and prevention of infection. Due to our experience with fractures having severely disrupted periosteal blood supply, we are looking more critically at intramedullary reamed nailing as a treatment option. This research was a result of our increased knowledge of the interplay between periosteal and endosteal blood supply.

Adolescent↗

[Distal femoral fractures].

Techniques of operative treatment of supra- and intercondylar fractures have changed in recent years. These changes refer to reduction techniques and implant selection. Operative approach concepts, which remained unchanged for several decades were critically evaluated and modified to a minimal invasive osteosynthesis [MIO]. This included for intraarticular fractures a trans-articular joint reconstruction and a retrograde plate osteosynthesis (TARPO). This technique result in better operative visualization and management of intraarticular comminution, saver fracture healing and better functional outcome. For extraarticular fractures a minimally invasive percutaneous plate osteosynthesis (MIPPO) via stab incisions only or retrograde intramedullary nailing is available. Beside that new strategies and techniques for the avoidance of axial malalignment, rotational deformities and leg length discrepancies are described, as well as a new plate generation (LISS: less invasive stabilization system), which behaves more like an internal fixator. The complex nature of combined fractures and soft tissue injuries of the distal femur and proximal tibia needs special attention and specific management. Distal femoral and proximal tibial fractures in young patients are usually caused by a high energy trauma. They are complicated by a high rate of systemic and local injuries to cartilage, ligaments and skin. The patients in this group with severe injuries need a detailed treatment algorithm, because the surgeon's individual skill, enthusiasm and wishful thinking frequently led to unsatisfactory results. A decision making scheme is presented specifically addressing timing and treatment modalities.

Equipment Design↗

Antegrade interlocking nailing of humeral shaft fractures.

The results of 39 humeral shaft fractures (37 patients) treated with antegrade locked nailing using a Russell-Taylor nail were reviewed. There were 30 acute fractures, 6 fractures malaligned in a hanging cast or brace, and 3 pathological fractures. Patient age ranged from 26 to 80 years (average, 59.7 years) and average follow-up was 25.7 months (range, 6-48 months). Fracture union was achieved in 92.3% of our cases, while shoulder function was excellent or good in 87.2% of cases. Antegrade locked nailing offers a dependable solution for the treatment of humeral shaft fractures, especially in polytrauma patients and cases of segmental or pathological fractures. Far less satisfactory results were obtained in comminuted fractures of the proximal third in the humerus, especially in osteoporotic patients, and we therefore advocate caution with the use of intramedullary nailing in this type of fracture. Certain technical aspects such as avoiding nailing the fracture in distraction, properly countersinking the tip of the nail, and achieving adequate fixation stability have been found to be of paramount importance to reduce the incidence of delayed union/non-union rate and to obtain better functional results from the shoulder joint.

Adult↗