Treatment of Distal Femoral Fractures with a Retrograde Supracondylar Intramedullary Nail assisted with Arthroscopy / 대한정형외과학회잡지

Since Green et al has introduced a new technique of retrograde intramedullary nail, the use of retrograde interlocking intramedullary nails has been recommended as one of the treatment options for the distal femoral fracture. However there are some disadvantages that an arthrotomy is required for insertion and the knee joint could often be violated. Authors present a simple, arthroscopically assisted method using the retrograde intramedullary nailing for distal femoral fractures with minimal invasiveness to the knee. From March 1995 to March 1997, the retrograde intramedullary nail was used to treat 9 distal femoral fractures. Five of 9 patients were fractured at the distal shaft of the femur and others were fractured at the supracondylar region of the femur. Only one of the fractures was open injury(Gustilo-Anderson grade II). Significant concomitant knee joint injuries were revealed through the arthroscopy in 3 patients. Eight of 9 fractures healed by 5 months, but one fracture was not healed and required bone grafting. Average knee range of motion was 130. Complications included 1 nonunion and 1 hardware failure. There were no patellofemoral problems and no posttraumatic arthritis of the knee joint. This arthroscope-assisted method have some potential benefits that include decreased risk of damage to the knee joint, early evaluation and treatment of the associated knee joint injuries, and accurate placement of the nail.

Result of Treatment of Open Tibial Fracture with Hoffmann External Fixator / 대한정형외과학회잡지

Recently, tibial shaft fractures become more severe because of high speed traffic accidents. The open tibial fracture is a difficult one to treat because of its common complications such as infection, soft tissue defect, delayed union and non-union. We studied 37 cases of open tibial fractures which were treated with external fixation. The results are as follows: 1. The average patient age was 29.3 years and male predominated by a ratio of 4.3: l. 2. The traffic accidents were the most common cause of injury. 3. Most cases(67.6%) were type III fracture(by classification of Gustilo and Anderson). 4. Hoffmann external fixator gave rigid fixation and good wound access. 5. There were 28 cases(75.7%) which needed secondary soft tissue reconstruction. 6. The infection rate was 21.5%(8 cases). These all healed with conservative management. There were 5 cases of pin tract infection which healed without developing osteitis. 7. The average union time was 28.7 weeks. In type III fracture there was marked delay in union (average 32.1 weeks). 8. The rate of development of delayed or non-union was 35.1%. In these cases, bony union was obtained with cancellous bone graft.