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PubMed1986

The dorsal approach for internal fixation of fractures of the lateral malleolus.

Anatomic reduction and internal fixation of the lateral malleolus are the key to management of ankle fractures. The usual application of one-third tubular plates to the lateral surface of the distal fibula has certain disadvantages. In selected cases we prefer a dorsal approach to the lateral malleolus. Indications, technique and experience are discussed.

Adolescent↗
PubMed1989

Treatment of open ankle fractures. Immediate internal fixation versus closed immobilization and delayed fixation.

Thirty-one open ankle fractures were treated over a period of 11 years and retrospectively reviewed with an average follow-up period of 61 months. Fifteen were managed by closed immobilization and delayed internal fixation. Sixteen were treated with immediate open reduction and internal fixation. One case in each group became infected. Functional scores at follow-up examination were the same for both groups. The fractures treated with immediate open reduction and internal fixation showed less impairment of range of motion but had a greater incidence of chronic ankle swelling. The hospitalization time was significantly shorter for the patients treated by open reduction and internal fixation. Immediate open reduction and internal fixation of open ankle fractures speed recovery with no greater incidence of infection than encountered with conservative treatment.

Adolescent↗
PubMed1976

Methylmethacrylate as an adjunct in internal fixation of pathological fractures. Experience with three hundred and seventy-five cases.

In 323 patients with 375 pathological fractures or impending fractures, local tumor resection and internal fixation supplemented by intramedullary methylmethacrylate proved highly successful. One hundred and thirty-nine patients had metastases from breast carcinoma; 142, metastases from other tumors; and forty-two, myeloma or lymphoma. The mean survival for the 210 patients who had undergone operation two years or more before final evaluation was 15.4 months. Ninety-four per cent of the patients who were ambulatory before fracture regained the ability to walk. Eighty-five per cent had excellent or good pain relief and in only five was pain relief rated poor. There were four failures of fixation and six functionally poor results. Twenty patients died within four weeks of operation, but the remaining patients benefited from the procedure in terms of pain relief, improved mobility, and ease of nursing care.

Acetabulum↗
PubMed1975

Biomechanical analysis of structural stability of internal fixation in fractures of the thoracolumbar spine.

Three different methods of internal fixation for the flexion-rotation thoracolumbar spinal fractures were tested biomechanically in a cadaver model for strength, mode of failure and ease of application. The compression rod system was clearly superior in strength and rotational stability to the spring device, but it was more difficult to apply than springs. The distraction rod system exhibited an intermediate level of strength with adequate rotational stability. Technically, the method is exacting and requires a clear understanding of its principle of 3 point fixation.

Biomechanical Phenomena↗
PubMed1996

A comparative review of 266 mandibular fractures with internal fixation using rigid (AO/ASIF) plates or mini-plates.

This study compares the internal fixation of mandibular fractures using either rigid 2.7 mm AO/ASIF plates or mini-plates. In the rigid plate group, 88 fractures were fixed with 88 plates. In the mini-plate group, 116 fractures were fixed with 170 plates. All the cases were consecutive and were treated in two South Wales hospitals during a 3-year period from 1988 to 1991. The aetiology of injury, timing of surgery, site of fracture, antibiotic policy and demographic features were evenly distributed between the two groups but there was a higher incidence of females in the mini-plate group. Both plating systems were successful in restoring functional occlusion. Rigid plates avoided the use of postoperative elastics better than mini-plates but the difference was not significant. There was a significantly higher incidence (P = 0.013) of infection in the mini-plate (12.9%) compared with the rigid plate (2.3%) group but 7.9% of the rigid group developed facial nerve weakness. A significantly higher proportion of mini-plates needed to be removed (P = 0.00019). A better treatment outcome for angle and comminuted fractures was noted with rigid plates.

Adolescent↗
PubMed1979

Internal fixation of fractures of the third phalanx in three horses.

The technique of internal fixation of intra-articular fractures of the third phalanx using lag screw interfragmentary compression is described. Three cases are discussed and the successful treatment of infection and osteomyelitis described in one of them. Despite this potential complication internal fixation offers a better prognosis and also a more rapid return to work than non-operative treatments.

Animals↗
PubMed1990

Biological internal fixation of fractures.

Trauma centers treat more and more patients who have sustained multiple injuries during high energy accidents. The techniques of internal fixation of such fractures may be dictated by the concomitant soft tissue trauma, rather than by the bony injury. Three stages of soft tissue injuries are recognised: Stage I delineates compromised soft tissues which may be treated with standard techniques of internal fixation, provided that further devialization by surgery is avoided. Stage II implies partial, non-circumferential destruction of soft tissues, requiring alternative techniques of internal fixation to prevent (mainly septic) complications. In stage III, the soft tissues about the fracture site are destroyed and need early, specific soft tissue reconstruction. Indirect reduction without further devascularization of bone, aiming at perfect alignment rather than anatomical reduction of extraarticular fractures, optimal rather than maximal internal fixation as well as the inclusion of soft tissue reconstructive procedures into the armamentarium of the orthopaedic surgeon, require an intellectual and technical reorientation but can be shown to improve the results of the treatment of fractures with concomitant soft tissue injury.

Bone Plates↗
PubMed1996

Open fractures and internal fixation in a major African hospital.

Between September 1992 and June 1994, 20 patients with 27 open fractures were treated at a major Ethiopian hospital by open reduction and internal fixation. Sixteen fractures were caused by gunshots, eight by road traffic accidents, two by direct blows, and one by a fall. Twenty-one fractures were stabilized with ASIF plates, and six with screws and wires. Five fractures out of 27 (18.5 per cent) developed infection postoperatively. In one case secondary wound infection subsided after wound excision and plate removal. In three others the implants were replaced by external fixators, in two of which the infection subsided and the patients left hospital without infection. The two remaining patients were treated for 4 1/2 months and 18 months respectively for chronic osteitis. Ten of the 15 patients without postoperative infection returned for follow-up. None of them had developed osteitis. The overall functional results were good.

Adolescent↗
PubMed1995

Biodegradable implants in traumatology: a review on the state-of-the-art.

Up to now the internal fixation of fractured bones and joints has been managed by metal implants. There are certain associated disadvantages: the mechanical properties of the metals are stronger than those of cortical bone ("stress-protection"); the removal of the implants requires a second operation; an increasing number of patients are confronted with problems of sensitivity to metal components of the implants, especially nickel. About 40 different biodegradable polymers, copolymers and composites have been developed as substitutes for metal implants in internal fracture fixation. The early experimental and clinical results demonstrate their limitations. From the current point of view, it is not possible to transfer the designs and assembling principles of metal implants in orthopaedic surgery to biodegradable polymers. The attempt to simply mimic metal implants in polymers is condemned to fail from the very beginning. This is a review of the literature and of our first 100 patients operated on using implants made of self-reinforced polyglycolide acid and polydioxanone. The main difficulty with the material is the loss of stiffness in a time interval which is not long enough to guarantee bone healing. The development of a sterile sinus over the site of implantation is a problem also reported by other groups. Certain additives have to be inserted into the polymers to make them visible on conventional X-radiographs. Despite these drawbacks, however, there are indications for the isolated or adjuvant implantation of biodegradable materials. They could be employed in the treatment of osteochondral fractures and other defined injuries. The available literature on these indications will be discussed.(ABSTRACT TRUNCATED AT 250 WORDS)

Animals↗
PubMed2004

Displaced fractures of the proximal humerus in children require open/closed reduction and internal fixation.

Fractures of the proximal humerus in children are rare and constitute only 3% of all epiphyseal injuries. From 1992 to 2002 sixteen patients aged 4 - 15 years with a displaced fracture of the proximal humerus were treated at our level I trauma unit. The mean follow-up of the patients was 23.8 months (8 - 72). Ten children had a metaphyseal fracture and six a Salter and Harris Type II injury. Only one metaphyseal fracture was treated conservatively; the other patients underwent surgery (ORIF [= open reduction internal fixation] in ten patients, CRIF [= closed reduction internal fixation] in five patients). Follow-up examination showed no shortening or major angulation of the humerus in any of the sixteen cases. Fifteen children showed excellent and good results. There was only one average result in a polytraumatized child with additional injuries in both upper extremities. Based on the results of this study we suggest performing ORIF/CRIF in displaced fractures of the proximal humerus in children.

Child↗
PubMed1996

Internal fixation of femoral shaft fractures in children and adolescents: a ten- to twenty-one-year follow-up of 52 fractures.

In a long-term follow-up (mean 16 years) of 52 femoral shaft fractures treated by internal fixation in 50 children and adolescents, we noted a mean overgrowth of 1 mm after plating and a mean undergrowth or relative shortening of 2 and 9 mm after nailing with broad (IMN) and slender (flexible rods: IMR) intramedullary nails, respectively. The mean overgrowth was 8 mm in children, but adolescents had a mean undergrowth of 5 mm (p < 0.01). Excessive overgrowth tended to occur less frequently after intramedullary nailing than after plating (p = 0.1). Undergrowth tended to occur with increasing frequency with increasing age and attained troublesome levels in three patients with severe trauma. Three cases of moderate valgus deformity of the hip and one case of late arthrosis of the hip occurred after intramedullary nailing with IMN introduced through the greater trochanter. We conclude that this method should not be used in patients with open physes.

Adolescent↗
PubMed2004

[Palmar fixed angle plating systems for instable distal radius fractures].

Internal fixation of distal radius fractures often shows the problem of secondary dislocation due to dorsal comminution and osteoporosis. Although dorsal plating systems provide good stabilization, the intraoperative control of reduction is difficult in the comminuted area with high incidence for the need of cancellous bone graft. Occurrence of extensor tendon complications including tendonitis and rupture is not uncommon. The use of fixed angle devices by a palmar approach has demonstrated the advantage of better visualization and control at the fracture side. The subchondrale support of the articular surface by fixed angle pegs or screws prevents secondary dislocation allowing early mobilization. Better soft tissue coverage is associated with a low complication rate. 62 patients (average age 55 years) were treated with different fixed angel devices according to the fracture type and underwent retrospective evaluation with mean follow-up of 11 months (6-23 months). According to the AO Classification there were 3 A2, 24 A3, 7 B3, 14 C1, 9 C2 und 5 C3 fractures. The majority beside the B3 types and one C3 fracture were dorsally displaced. All of them showed healing without relevant secondary loss of reduction. Mean DASH score reached 19 points.

Adult↗
PubMed1987

Resorbable materials of poly(L-lactide). VI. Plates and screws for internal fracture fixation.

Poly(L-lactide) (PLLA) with an extremely high molecular weight (Mv up to 1 X 10(6)) was synthesized at a low catalyst concentration (0.015 wt%) and temperatures between 100-110 degrees C. Besides good mechanical properties the as-polymerized PLLA exhibited a microporous structure. Plates and screws of this material were used for the treatment of mandibular fractures, both in dogs and in sheep. Bone healing was uneventful and proceeded without callus formation or signs of inflammation. Fracture healing was accompanied by a progressive degradation of the microporous implants of PLLA.

Animals↗
PubMed2001

Open volar repair of acute scaphoid fractures.

Internal fixation of acute scaphoid fractures has significant advantages over conservative treatment, using cast immobilization. Healing rates are improved, functional recovery is accelerated, and morbidity is reduced. Percutaneous fixation has become the treatment of choice for the majority of acute fractures, since it is an out-patient procedure, which produces virtually no scarring and enables an extremely-rapid recovery; however, in those cases where a stable and anatomical reduction cannot be achieved by closed means, open volar repair remains the best method of treatment. With careful attention to technique, and the avoidance of postoperative immobilization, excellent results can be achieved, even in the case of transscaphoid fracture-dislocation of the carpus.

Fracture Fixation, Internal↗