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PubMed1980

[Connection between deviated axis and impaired function after fractures of the forearm (author's transl)].

Based on follow-up studies of forearm fractures in children the connection between malunion and limitation of forearm rotation has been examined. This limitation of forearm rotation is often caused by deviations of the ulnar and radial shaft in the same direction which have not been corrected by growth. With the aid of geometric drawings it is demonstrated that palmar deviations of bones lead to limited supination whereas dorsal deviations must cause reduced pronation. This limitation increases in proportion to the angle of deviation and proximity to shaft middle.

Biomechanical Phenomena↗
PubMed1981

Non-union of the isolated fracture of the ulnar shaft in adults.

Twenty-one cases of non-union of the isolated fracture of the shaft of the ulna were reviewed. The factors which have been shown to predispose to non-union include the site of the fracture, its initial displacement, comminution, the presence of multiple injuries and early mobilization. The use of rigid fixation and the delay of one week in operation reduced the incidence of non-union in those internally fixed. No evidence was found that internal fixation reduced the incidence of delay in union, compared with closed treatment. Fourteen of the fractures later united. Plating the fracture of internal fixation with bone grafting secured union in 11 out of 12 cases. These were the only satisfactory methods of treatment.

Adolescent↗
PubMed1995

A non-union model of the rabbit tibial diaphysis.

A consistently reproducible non-union model has been created in the adult rabbit tibial diaphysis. After making an osteotomy, the marrow was removed, the periosteum was excised and a silastic sheath was wrapped around the shaft. The fracture cleft was invaded by a non osteogenic fibrous tissue following the removal of the sheath after an interval of 4 weeks.

Animals↗
PubMed1976

A fractured mandible, from initial operation to removal of tantalum mesh. Report of a case.

Report is made of a case of fracture of the angle of the mandible. Treatment was attempted with the Sampson pericortical bone clamp, but was unsuccessful. Routine use of intraosseous wire led to a localized osteomyelitis, without union of the fracture. Treatment then was made with a particulate marrow graft contained within a tantalum mesh screen. The screen was removed 30 months postoperatively.

Adult↗
PubMed1979

Delayed healing of mandibular fracture in idiopathic myxedema.

Lack of adequate amount of thyroid hormone may interfere with healing. A patient in whom a fracture of the mandible failed to heal in the 2 years following surgical treatment is presented. When thyroid hormone supplementation was introduced, the fracture progressed to union. The physical findings of hypothyroidism and the role of thyroid hormone in healing are discussed.

Antibodies↗
PubMed1988

Pulsed electromagnetic field treatment failure in radius non-united fracture healing.

Pulsed electromagnetic field (PEMF) treatment is a non-invasive technique which has wide use in promoting healing of delayed union and non-union of bone. According to reports in the literature, PEMF has a 'success' of about 70%, but with no clear-cut reason to explain the failures. Our tests were carried out on 11 patients with radius non-unions and delayed unions; the results suggest that PEMF failure is associated with implanted metallic plates. In our view, this can be explained because the conducting plates create a uniform bone biopotential around the fracture and thus prevent the negative polarization which stimulates callus formation. Although further controlled and randomized clinical tests are needed, our results indicate that it may be necessary to remove the plates before PEMF application.

Adolescent↗
PubMed1985

Mandibular fracture fixation and reconstruction using the lower-border threaded rod: an eleven-year follow-up study.

Twenty-five cases in which a lower border threaded rod was used for fracture fixation and mandibular reconstruction were reviewed. These cases were performed during the last 11 years and have been followed for periods of up to five years and ten months. The fixation technique, originally reported in 1978, is well tolerated and provides excellent mechanical stability when enhanced security of fixation is indicated. Three unusual cases are reported in detail.

Adolescent↗
PubMed1989

Interposition of extensor digitorum tendon in distal radius fracture mimicking a compartment syndrome.

A 14-year-old boy sustained a dorsally displaced Salter-Harris Type II fracture of the distal radius. A single attempt at closed reduction failed. After this closed reduction, the patient was unable to passively or actively extend or flex his fingers. He had increasing pain and compartment pressures were abnormally elevated. Dorsal fasciotomy was done, and during the open reduction, entrapment of the dorsal extensor retinaculum and extensor digitorium communis within the fracture was found. After removal of these structures, fracture reduction was easily accomplished and his fingers had a full range of motion. Postoperative recovery was uneventful.

Adolescent↗
PubMed2006

Tibial nonunion.

Nonunions of the tibia represent challenging orthopedic problems, which require the surgeon to analyze numerous factors and choose an appropriate treatment. Tibial nonunion treatment requires establishing its existence and cause. The treatment algorithm necessitates consideration of a wide variety of factors: the location of the nonunion, the presence or absence of infection, and any angular or rotational deformity. Given advances in implant design and biologic agents, a wide variety of management options exist for the treatment of tibial nonunions. This article reviews surgical treatments for tibial nonunions.

Fracture Fixation↗
PubMed2000

Centralization of ulna for infected nonunion of radius with extensive bone loss. A modified Hey-Groves procedure.

We describe a case of infected nonunion of the radius with extensive bone loss in an 11-year-old boy treated by centralization of the ulna. The technique used differs from the original Hey Groves procedure in that it preserves the distal end of the ulna with its important triangular fibrocartilage complex, thereby retaining stability and contour of the wrist joint. Our patient obtained a functionally and cosmetically satisfactory, stable forearm and wrist. We present the technique as a useful armament in the management of extensive bony defect of the radius arising from trauma or infection.

Child↗
PubMed1995

Supplemental maxillomandibular fixation with miniplate osteosynthesis.

Monocortical miniplate fixation provides biomechanical fixation of mandibular fractures. The ability of this system to adequately fixate fractures clinically has not been fully accepted. We analyzed our use of supplemental maxillomandibular fixation with miniplate osteosynthesis during a 5-year period, in 287 patients with 499 mandible fractures. A retrospective, matched pairing of identical fractures fixated with identical plating-schemes was carried out. Sixty-five pairs of patients undergoing intraoral monocortical plating were identified. Patients in group 1 were treated with supplemental maxillomandibular fixation after surgery, whereas patients in group 2 were treated without postoperative maxillomandibular fixation. The rate of major complications was 11% with supplemental maxillomandibular fixation and 9% without supplemental maxillomandibular fixation (p > 0.05). The total rate of complications was 17% with supplemental maxillomandibular fixation and 20% without supplemental maxillomandibular fixation (p > 0.05). No statistically significant outcome advantage could be attributed to the use of maxillomandibular fixation.

Bone Plates↗
PubMed1997

Nonunion of a distal radial fracture in a healthy child.

Nonunion of distal radial fractures in children are rare. We report a case of a closed distal radial fracture in a healthy child, which developed a nonunion following closed reduction and plaster immobilization.

Bone Transplantation↗
PubMed1993

Complications associated with rigid internal fixation of facial bone fractures.

Rigid internal fixation is now a common method for treating fractures of the facial skeleton. However, it is a very precise technique that requires more time than intraosseous wiring. This article reports the complications associated with rigid internal fixation of facial fractures in 223 patients and compares the findings with those accompanying intraosseous wiring.

Bone Plates↗