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Fracture reduction devices for closed nailing of the femur have been described as an alternative to manual manipulation. They have consisted of various clamps and supports. These external methods can be difficult to use. We have used a Steinman pin on a T-clamp inserted percutaneously on to bone to gain a temporary reduction during intramedullary nailing.
Fractures of the proximal part of the fifth metatarsal can be separated into two types: those involving the tuberosity, and those involving the proximal part of the diaphysis distal to the tuberosity. Recently it has been recognized that the latter group, Jones' fractures, may be difficult to treat. Although reports in the literature have indicated the potential difficulties in the treatment of Jones' fractures, prevailing guidelines for their management are ambiguous. Apparently the varied clinical and roentgenographic manifestations of these fractures have not been correlated with their response to treatment. In this paper we describe a classification of these fractures and a plan of treatment based on clinical and roentgenographic criteria that were developed to define acute fractures, delayed unions, and nonunions. The treatment of choice for acute fractures is immobilization of the limb in a toe to knee cast with nonweight-bearing. Fractures with delayed union may eventually heal if they are treated conservatively, but an active athlete with delayed union or an established nonunion will benefit from operative intervention. The procedures of choice are medullary curettage and bone grafting, and closed axial intramedullary screw fixation using a 4.0-mm ASIF malleolar screw.
Antegrade intramedullary nailing with four different implants was used in 126 humeral shaft fractures. There were 74 acute fractures, 17 pathologic fractures, 16 fractures malaligned in a hanging cast or brace, 15 fractures with delayed union and 4 fractures that were nailed after failed open reduction and internal fixation. The nonunion rate was 21/95 after primary operation, and after reoperations 14/95. Distraction of the fracture was a significant cause of nonunion, but not type of fracture, localization, implant, and delay between injury and surgery. Shoulder joint function was significantly impaired in 25/67 patients. The patients regarded the result as good or satisfactory in 41/67 of the cases who were followed mean 3 (0.5-10) years. We conclude that antegrade intramedullary nailing of humeral shaft fractures leads to a substantial risk of non-union and impairment of shoulder function. It can be recommended as primary treatment only when nonoperative treatment is likely to fail.
Eleven children in whom a tibial fracture occurred after minor trauma had pre-existing dysplastic changes evident radiographically. These changes included cortical tapering, sclerosis, and formation of a cyst in the region of the medullary canal. Ten of the eleven patients had had no more fractures an average of fifteen years after the most recent fracture. Six of the fractures healed following prolonged immobilization in a cast, but four of the six tibiae were abnormally bowed anteriorly, and it was thought that a stress fracture could occur in the future. Four of the patients had a clinically straight tibia and radiographic evidence of thick cortices following corrective osteotomy, intramedullary fixation with bone-grafting, and prolonged immobilization in a cast. At the most recent follow-up examination, the eleventh patient had a persistent pseudarthrosis despite several operative procedures. While there were too few patients in this series for us to draw definite conclusions, our findings suggest that late-onset pseudarthrosis of a dysplastic tibia has a better prognosis than does congenital pseudarthrosis.
This article describes the use of intramedullary rodding as a treatment for an anterior tibial stress fracture in a patient with high functional demands: a professional ballet dancer. In our patient, a year of conservative treatment and later tibial drilling was unsuccessful. After sustaining a complete fracture at the site of the stress fracture, he was treated with intramedullary rodding and was able to dance 21 weeks after surgery. The fracture went on to complete healing. The role of prophylactic intramedullary nailing in this difficult fracture is discussed.
When intramedullary pinning is used to treat metacarpal fractures, as recently described by Förstner (1994) and Foucher (1995), the closed reduction technique developed by Jahss (1938) is applied in the same way as for conservative fracture treatment. It is not always possible to achieve complete anatomical reduction using this closed technique. The intramedullary pinning technique, that we have applied since 1989, involves a Kirschner wire which is bent at one end. Apart from reducing the fracture, the pre-set Kirschner wire serves as a butressing internal fixator. The elastic clamping of the wire acts as an internal wire spring splint, permitting early mobilisation. We have operated on 62 metacarpal fractures using the above-mentioned technique over a period of 6 years until 1995. Anatomic reduction was realized in 50 of 62 fractures. In the follow-up of 32 fractures, we noticed four complications: one infection, two paraesthesias, and one non-union.
Ten patients with complex non-union of the tibia were treated by locked intramedullary nailing. These patients had scarred skin as a result of initial severe open fractures, multiple debridement or fasciotomies with external fixators and skin grafts applied. Seven of the patients also had previous osteomyelitis or pin track infections. Fully pain-free walking was achieved in all patients and radiological union in nine patients without the need for a bone graft. Four patients developed infection after nailing, of which three resolved with treatment.
Orthopedic technology is growing at a rapid rate. New implants reflect this technology whether it pertains to fracture fixation, joint replacement, spine stabilization, or soft-tissue reconstruction. This monograph is designed to assist both the radiologist and the orthopedist in accurately assessing plain radiographs of commonly used orthopedic implants. We discuss the biologic response of the surrounding bone to these devices; herein lies the key to understanding the radiographic presentation of these devices.
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During the past year, several important advances have occurred in the diagnosis and treatment of orthopedic trauma. The increased use of magnetic resonance imaging in the diagnosis of acute cervical spine injuries has enhanced the ability to treat these patients. The development of better fixation systems for the lumbar spine, particularly pedicle screw systems, has increased our ability to stabilize and decompress fractures and fracture-dislocations in this region. New techniques for pelvic stabilization have proved useful in the treatment of these complex injuries. In extremity trauma, the association of compartment syndrome with intramedullary nailing has gained more attention and more aggressive treatment is advocated for fractures secondary to penetrating trauma.
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