RESUMEN
If the intramedullary nail fails for any reason, the broken nail must be removed by a closed or open manner to perform the next procedure for osteosynthesis. Numerous techniques have been introduced but the removal was difficult to do without special equipment. We have successfully removed the distal segment only with the olive tipped and straight guide rod which are ordinary equipment for intramedullary nailing. We found that this is a very simple, safe and economic method for retrieval of the distal fragment of broken femoral and tibial nails.
Asunto(s)
Fémur , Fijación Intramedular de Fracturas , OleaRESUMEN
The employment of segmental pedicle screw instrumentation has greatly enhanced the correction of scoliotic deformity. However there is still much controversy on the ability of the system to correct the rotational deformity. This prospective study with 12 idiopathic throacic scoliosis patients subjected to segmental pedicle screw instrumentation was performed to determine the effect of the system on the rotational deformity of idiopathic throacic scoliosis. In addition to the standing films to measure the magnitude of scoliotic curvatures, preand postoperative CT were utilized for the measurement and comparison of angle of rotation relative to the sagittal plane(RAsag.), relative rotation with reference to the upper and lower end vertebrae(RAend), relative rotation with reference to the sacrum(RAsac.), frontal translation(TF) and sagittal translation(TS) for the apical vertebrae. Despite the high correction rate obtained in the frontal plane(average 71.1%) and normalization of sagittal contour, the rotational corrections were statistically insignificant in all parameters and showed no significant correlation to the correction of the curvatures nor horizontal plane displacement as represented by the frontal and sagittal displacement. In conclusions, the segmental pedicle screw instrumentation with rod derotation does not produce significant derotation by itself.
Asunto(s)
Humanos , Anomalías Congénitas , Empleo , Estudios Prospectivos , Escoliosis , Columna VertebralRESUMEN
Femoral fractures in adults frequently need an extensive dissection for attainment of adequate internal fixation, frequently leading to nonunion, infection and derangement of joint motion. Retrograde IM nailing, compared to the conventional methods, has advantages of reducing periarticular soft tissue dissection and establishing a load sharing construct reducing hardware failure. The purpose of this study is to verify the advantages of retrograde IM nailing by retrospective evaluation of the results of adult femoral fractures treated by this technique. The matrials were 17 femoral fractures in 15 patients treated by retrograde IM nailing and followed up for more than 1 year. The fracture was located in the middle third of the shaft in 5 and distal third in 12. The latter consisted nf 6 cases of type Al, 4 cases of type A2 and 2 cases of type A3 by Miiller's classification. The results were as follows; 1) Fracture union was achieved at an average of 17.5 weeks. 2) Full range of knee motion was gained in 15/17 knees (88%). 3) Complication occurred in 2 knees. One nonunion and one angulatory malunion. 4) There was no infection, no femoral shortening or implant failure. In conclusion, retrograde IM nailing of adult femoral fracture is an effective method in selected cases such as far distal femoral fracture, ipsilateral femur neck and shaft fractures, floating knee, post-TKR femoral fracture and so on. The merits of this technique are rigid fixation which is difficult to obtain with others, no need of fracture table, short operative time and mimium blood loss. However, It has potential problems such as difficulty in insertion of proximal locking screw and need for an arthrotomy to remove hardware.
Asunto(s)
Adulto , Humanos , Clasificación , Fracturas del Fémur , Fémur , Cuello Femoral , Fijación Intramedular de Fracturas , Articulaciones , Rodilla , Tempo Operativo , Estudios RetrospectivosRESUMEN
Ipsilateral fractures of the femoral neck and shaft represent many difficulties in diagnosis and treatment. The femoral neck fracture of this injury is commonly missed on initial evaluation. The overlooked femoral neck fracture may lead to higher risk of complications such as avascular necrosis of the femoral head, nonunion and coax vara. The authors reviewed nine cases of ipsilateral femoral neck and shaft fracture treated in our clinic from September 1989 to May 1995, and average follow-up period was 33 months(range, 12 to 101 months). The results obtained were as follows : 1. The most common cause of injury was traffic accident, and three femoral neck fractures were missed initially. 2. The most common site of femoral neck fractures was basicervical in 7 cases, and that of shaft fracture was middle 1/3 shaft in 5 cases. 3. The most common associated injury was ipsilateral knee injury(6 cases). 4. Five cases were treated with femoral reconstruction nail, two with multiple neck-pinning and retrograde interlocking IM nail, one with multiple screws for neck fracture and long dynamic compression plate for shaft fracture, and the other, multiple neck-pinning and antegrade interlocking IM nail. 5. The complications were a refracture of the shaft after removal of interlocking nail and a delayed union of shaft fracture which had been treated by reconstruction nailing. Coxa vara, delayed union and metal loosening were found in femoral neck fracture site, but all that were clinically acceptable. In conclusion, the fracture of femoral neck should be kept in mind not to be lost in case of high velocity-femoral shaft fracture, and if found, it should be treated with anatomical and rigid internal fixation in femoral neck fracture having first priority. Recently reconstruction nail for the treatment of these fractures was widely used, but that is technically difficult and might destroy the neck fracture during shaft fracture fixation. We recommend retrograde interlocking nail followed by multiple neckpinning might be safe and stable fixation for the ipsilateral neck and shaft fracture.
Asunto(s)
Accidentes de Tránsito , Coxa Vara , Diagnóstico , Fracturas del Cuello Femoral , Cuello Femoral , Estudios de Seguimiento , Fijación de Fractura , Cabeza , Rodilla , Cuello , NecrosisRESUMEN
This etiology of Freiberg's disease, an idiopathic avascular necrosis of the second metatarsal head, has not been clarified. In 1979, Gauthier and Elbaz treated 53 cases of the advanced Freiberg's disease by a new technique, that is, dorsal closing wedge osteotomy, and their result was successful. Recently, in 1989, Zollinger identified that the load per surface area is concentrated at the dorsal rather than plantar surface of the second metatarsal head during walking by an experimental dynamic study, and this theory explained why the lesion of the disease is confined to the dorsal surface of the second metatarsal head, and provided a basic concept on the dorsal closing wedge osteotomy. The authors reviewed 5 cases of Freiberg's disease treated by dorsal closing wedge osteotomy from September 1989 to February 1994, and the average follow-up period was 2 years and 5 months(range, 12 to 50 months). The results were as follows; 1. All were female, and the average age at the time of operation was 29.4 years(range, 22 to 43 years). 2. All were pain-free at the last follow-up. 3. The range of motion(ROM) of the metatarsophalangeal joint was increased postoperatively; average ROM: preoperative, 33°/ postoperative 77°; mean gain of ROM, 44° So, dorsal closing wedge osteotomy is a recommendable procedure for the treatment of advanced Freiberg's disease.
Asunto(s)
Femenino , Humanos , Estudios de Seguimiento , Cabeza , Huesos Metatarsianos , Articulación Metatarsofalángica , Necrosis , Osteotomía , CaminataRESUMEN
In patients with the sequele of poliomyelitis, pyogenic or tuberculous arthritis, or trauma, flexion contracture of the knee could be developed and many difficult problems would be met in treating them. Ilizarov suggested the method of gradual correction of deformities of bone after corticotomy-osteo- clasis, combined with gradual elongation of the shortened soft tissues, and the flexion contracture of knee & limb length discrepancy could be corrected simultaneously or sequentially following a sigle operative procedure. The authors have treated 25 patients with flexion contracture of the knee joint by the principle of Ilizarov treatment at the Sang Gye Paik Hospital between September 1991 and March 1994, The average preoperative flexion contracture of the knee joint, 25° (range, 10°
Asunto(s)
Humanos , Artritis , Anomalías Congénitas , Contractura , Extremidades , Fracturas por Estrés , Articulación de la Cadera , Técnica de Ilizarov , Articulación de la Rodilla , Rodilla , Pierna , Métodos , Osteotomía , Poliomielitis , Procedimientos Quirúrgicos Operativos , TibiaRESUMEN
Ipsilateral fracture of the femur and tibia is also called “floating knee”. And it is well known that its treatment is difficult and functional result is poor in most cases because it has often comminuted, open fracture with severe soft tissue injuries. Authors reviewed 20 cases in 18 patients which were treated from September 1989 to March 1993. All were followed for more than one year. The results were as follows: 1. Among 20 cases of femoral fracture, 15 cases were treated with internal fixation and others with external fixation and among 18 cases of tibial fracture(2 amputations excluded), internal and external fixation were equal in number. 2. The bony union time was shorter in the intramedullary nailing than the plate and screws, and external fixations. 3. The end result was better in Group I(internal fixation for both fracture) than Group II (one or both fractures were treated with external fixator) because the femur had less severe comminution, and soft tissue injuries. 4. There were many complications in Group II than Group I, That is, wound infections, delayed union or non-unions. There were 11 operations for the treatment of complications,.
Asunto(s)
Humanos , Amputación Quirúrgica , Estudio Clínico , Fracturas del Fémur , Fémur , Fijación Intramedular de Fracturas , Fracturas Abiertas , Traumatismos de los Tejidos Blandos , Tibia , Infección de HeridasRESUMEN
The stiffness of the elbow joint is caused by trauma, infection, and ect. The conventional arthrop lasty and arthrodesis of this joint has been used but the indication is very limited because of unsati sfactory result. The Oganesyan external fixator, which was invented by Mstislav V. Volkov and Oganes V. Oganesyan in 1971, generally employes tne hinged-distraction apparatus to treat joint stiffness and flexion contracture. According to them, regeneration of both cartilage and underlying subchondral bony tissue is possible. These authors consider the main factor for regeneration of the cartilage af a destroyed joint surface to be early restitution of joint functions including unloaded motion and elimination of increased friction between the joint surfaces. From Jan. 1992 to Jan. 1994, We have experienced the 6 cases of stiff elbow who had been undergone biologic arthroplasty. The results were as follows; The gain of the average range of motion of the joint at final follow-up was 50.5°. The complications were mild pain in 2 cases, mild instability on exertion in 2 cases, recurrence of contracture in two cases and ulnar nerve irritation in one case. The complications affected no significant long term results except recurrence.
Asunto(s)
Artrodesis , Artroplastia , Cartílago , Contractura , Articulación del Codo , Codo , Fijadores Externos , Estudios de Seguimiento , Fricción , Articulaciones , Rango del Movimiento Articular , Recurrencia , Regeneración , Nervio CubitalRESUMEN
Congenital brachymetatarsia causes minor disability in daily life. However, patients suffer cosmetically or psychologically and often demand correction of the deformity when they reach adolescence. Thirty-eight skeletal lengthenings were performed on twenty-three patients with congenital brachymetatarsia between March 1992 and July 1993. Short metatarsal bones were osteotomized subperiosteally, and held by a small external fixator and then subjected to slow axial distraction. All the patients were female with an average age of patients at the time of operation was twenty-one years. The average lengthenings was 15.8mm. The average healing index was 80.6(day/cm). The average lengthenings percentage was 35.2%. There was a metatarso-phalangeal joint subluxation with pain in one patient. We believe that the callotasis method was no need for bone grafting and permitted early weight bearing. The result was good cosmetically.
Asunto(s)
Adolescente , Femenino , Humanos , Trasplante Óseo , Anomalías Congénitas , Fijadores Externos , Articulaciones , Huesos Metatarsianos , Métodos , Osteogénesis por Distracción , Soporte de PesoRESUMEN
The intramedullary nailing for the tibial fracture has been used in selected cases of fresh diaphyseal fracture and nonunion. However, with modern technical improvement such as image intensifier and interlocking, the indications have been expanded considerably. Interlocking intramedullary nailing has been popularized because it enables preservation of the range of motion of the joint, early weight bearing and early bony union. Between August, 1989 and July, 1991 interlocking nailing in the tibial fracture has been performed for 53 cases with follow up more than one year. The results were as follows; 1. All were treated with closed nailing and static locking was performed as a principle. Only three cases needed dynamization of the 47 patients treated with static locking nailing. 2. The union rate was 96.296 and mean period of fracture union was 15.2 weeks. 3. In the distal one third of fracture, rigid fixation could be achieved by adjusted length by cutting the distal end. 4. In 7 proximal tibial fractures, 4 fractures were accompanied with complications such as nonunion, angulation deformity and shortening. Therefore, interlocking nail is inadequate treatment of proximal unstable fractures. 5. In the delayed and nonunion treated by interlocking nailing, bony union was achieved in all 3 cases without bone graft and cast immobilization.
Asunto(s)
Humanos , Anomalías Congénitas , Estudios de Seguimiento , Fijación Intramedular de Fracturas , Inmovilización , Articulaciones , Rango del Movimiento Articular , Tibia , Fracturas de la Tibia , Trasplantes , Soporte de PesoRESUMEN
No abstract available.
RESUMEN
No abstract available.