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At least 1,423 records · Page 79Linked to original sources
PubMed1997

Fat embolism syndrome.

Fat embolism syndrome, an important contributor to the development of acute respiratory distress syndrome, has been associated with both traumatic and nontraumatic disorders. Fat embolization after long bone trauma is probably common as a subclinical event. Fat emboli can deform and pass through the lungs, resulting in systemic embolization, most commonly to the brain and kidneys. The diagnosis of fat embolism syndrome is based on the patient's history, supported by clinical-signs of pulmonary, cerebral and cutaneous dysfunction and confirmed by the demonstration of arterial hypoxemia in the absence of other disorders. Treatment of fat embolism syndrome consists of general supportive measures, including splinting, maintenance of fluid and electrolyte balance and the administration of oxygen. Endotracheal intubation and mechanical ventilatory assistance can be indicated. The role of corticosteroids remains controversial. Early stabilization of long bone fractures has been shown to decrease the incidence of pulmonary complications. Clinical and experimental studies suggest that the exact method of fracture fixation plays a minor role in the development of pulmonary dysfunction. As more is learned about the specifics of the various triggers for the development of fat embolism syndrome, it is hoped that the prospect of more specific therapy for the prevention and treatment of this disorder will become a reality.

Diagnosis, Differential↗
PubMed1996

Complications of rigid internal fixation for mandibular fractures.

The application of rigid internal fixation to maxillofacial trauma is among the truly great advances that have been made in the field. The use of rigid internal fixation techniques has resulted in many advantages for the patient. Unfortunately, complications have occurred with this technology that are often devastating in their consequences for treatment outcomes. This article addresses some of the problems that stem from the use/misuse of rigid fixation devices in the treatment of mandibular fractures. It presents the most common complications and their management, including malunion, fibrous union, infection/osteitis, and impalement of the tooth roots and/or inferior alveolar canal.

Alveolar Process↗
PubMed1995

The value of the tip-apex distance in predicting failure of fixation of peritrochanteric fractures of the hip.

Failure of fixation of peritrochanteric fractures that have been treated with a fixed-angle sliding hip-screw device is frequently related to the position of the lag screw in the femoral head. A simple measurement has been developed to describe the position of the screw. This measurement, the tip-apex distance, is the sum of the distance from the tip of the lag screw to the apex of the femoral head on an anteroposterior radiograph and this distance on a lateral radiograph, after controlling for magnification. To determine the value of this measurement in the prediction of so-called cutout of the lag screw, 198 peritrochanteric fractures (193 patients) were studied. The minimum duration of follow-up was three months (average, thirteen months), during which period all of the fractures either healed or had failure of the fixation. Of the nineteen failures that were identified, sixteen were due to the device cutting out of the femoral head. The average tip-apex distance was twenty-four millimeters (range, nine to sixty-three millimeters) for the successfully treated fractures compared with thirty-eight millimeters (range, twenty-eight to forty-eight millimeters) for those in which the screw cut out (p = 0.0001). None of the 120 screws with a tip-apex distance of twenty-five millimeters or less cut out, but there was a very strong statistical relationship between an increasing tip-apex distance and the rate of cutout, regardless of all other variables related to the fracture.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1976

Radiologic and gross anatomic evaluation of bone healing in the dog.

Bone healing associated with 3 techniques of midshaft femoral fracture fixation in 36 young adult Beagle-type dogs was evaluated in radiographic and gross pathoanatomic studies. A serrated transverse fracture was surgically and aseptically created on the midshaft of either the left or the right femur of each dog. The fixation devices used were intramedullary (IM) pin, IM pin and 1/2 Kirschner device, and tension bone plates. The radiographic evaluation was done in series. The first radiographs were taken during surgery. Radiographs were then taken immediately after surgery, to record the status of reduction, alignment, and fixation. Radiographs were taken at the 4th and 10th postoperative weeks, to monitor healing. All dogs were euthanatized at the 10th week. Both the normal femur and the healing femur were removed from all dogs, all soft tissue was removed from the bone, and each femur was examined grossly. Each type of fixation was associated with a distinct mode of osteogenesis. Bony union and clinical union (that stage in the healing process when fixation can be removed) were defined as a successful conclusion to each case. Malunion and nonunion were defined as unsuccessful conclusions. Delayed union was defined as neither successful nor unsuccessful. The IM pin cases had a 64.2% success rate and a 14.2% failure rate. The IM pin and 1/2 Kirschner cases had a 100% success rate. The bone plate cases were 91% successful, with 0% failure. A problem identified with IM pinning was axial rotation (6 of 14 or 42% of the cases). It was concluded that IM pins should not be used alone for the fixation of femoral fractures in adult dogs.

Animals↗
PubMed1993

Internal fixation of pathologic fractures. A retrospective study.

The records of 44 patients who underwent internal fixation for metastatic fractures between 1970 and 1989 were studied. Excluded were pathologic fractures involving the spine, pelvis, ribs and clavicles. None of the patients was still alive at the time of the study.

Adolescent↗
PubMed1995

Delayed onset of forearm compartment syndrome: a complication of distal radius fracture in young adults.

The signs and symptoms of elevated intracompartmental pressure in the volar forearm compartment developed on a delayed basis (range 18-54 h) in the absence of constricting casts or dressings in eight limbs after high-energy intraarticular fractures of the distal end of the radius. Intracompartment pressures averaged 80 mm Hg in the six limbs tested. Despite urgent decompression and fracture fixation with delayed wound closure, final functional outcomes were compromised in seven cases, reflecting the severity of the articular injuries, and poor in one case, in which a wrist fusion was later required. If potentially serious complications are to be prevented, careful observation of these patients, often for periods of 48 h, is important. Selective recording of forearm intracompartmental pressures may be advised in at-risk patients.

Adult↗
PubMed1982

Displaced supracondylar fractures of the humerus in children.

In a 3-year period, 101 children were admitted to hospital with supracondylar fractures of the humerus. Eight-six were examined an average of 3.7 years after the injury. Forty-seven cases were treated with closed reduction and plaster bandage. After an unsuccessful attempt at closed reduction, 39 cases were treated with percutaneous K-wire pinning and plaster. The cases treated with percutaneous pinning thus include the most severe fractures. Nevertheless, the results at follow-up in these cases easily equalled those obtained by closed reduction for the less displaced fractures. They were also comparable with reported results of extension treatment and, in contrast, required only a few days of hospitalisation.

Child↗
PubMed1975

Compression-plate fixation in acute diaphyseal fractures of the radius and ulna.

At the Campbell Clinic and City of Memphis Hospital from 1960 to 1970, 244 patients (216 with closed and twenty-eight with open fractures) had 330 acute diaphyseal fractures of the radius and ulna which were treated with ASIF compression plates and followed for from four months to nine years. One hundred and twelve patients had fractures of both bones of the forearm; fifty, single fractures of the ulna; and eighty-two, single fractures of the radius. In all, 193 fractures of the radius and 137 fractures of the ulna were treated by compression plating. Sixty-three patients (25.9 per cent) with severely comminuted fractures also had iliac-bone grafts. The over-all rate of union for the radius was 97.9 per cent and for the ulna, 96.3 per cent. ASIF compression plates, therefore, provided a successful method for obtaining union and restoring optimum function after acute diaphyseal fractures of the forearm.

Acute Disease↗
PubMed1997

Treatment of comminuted fractures of the mandible.

Management of comminuted mandible fractures requires careful planning. Treatment is based on a thorough understanding of the medical management of severely injured patients, biology of these injuries, the biomechanics of the mandible, and principles of fracture fixation.

Anti-Bacterial Agents↗