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PubMed2002

[Galeazzi lesion in children and adults: the undiagnosed lesion].

Unrecognized Galeazzi fracture dislocation of the wrist (distal radius fracture with radioulnar joint disruption) may lead to a high incidence of permanent functional disability and chronic pain. A high index of suspicion, early recognition, and acute treatment of distal radioulnar joint (DRUJ) instability will avoid chronic problems. This review examines the clinical presentation, diagnostic techniques, management and prognosis in children and in adults for this type of lesion.

Adult↗
PubMedDate not supplied

Ipsilateral supracondylar humerus fracture and Monteggia lesion: a case report.

Two to 13% of supracondylar humerus fractures in children are associated with an ipsilateral forearm fracture, most of which are distal radius fractures. We present an unusual case of a 2-year-old girl with an ipsilateral supracondylar humerus fracture and a Monteggia lesion. Our management consisted of percutaneous K-wire fixation of the supracondylar humerus fracture and percutaneous insertion of an intramedullary K-wire for stabilization of the ulna fracture. Our patient had an excellent result, and we would recommend this method of fixation for similar injuries.

Child, Preschool↗
PubMed2006

Complete traumatic extrusion of the distal ulna through the hypothenar eminence: a case report.

We present a case of complete traumatic extrusion of the distal 40% of the ulna through the hypothenar eminence in the context of an open, both-bone forearm fracture and spinal cord transection. To the best of our knowledge, this specific trauma is unique to the literature, and, therefore, there is no standard treatment approach. Our patient was managed with irrigation and débridement along with open reduction and internal fixation of the radius fracture. No reconstruction of the ulna was performed. The patient reported excellent functional results at 13-month follow-up.

Accidents, Traffic↗
PubMed2004

Combined dorsal and volar plate fixation of complex fractures of the distal part of the radius.

BACKGROUND: Fractures of the distal part of the radius that are associated with complex comminution of both the articular surface and the metaphysis (subgroup C3.2 according to the Comprehensive Classification of Fractures) are a challenge for surgeons using standard operative techniques. METHODS: Twenty-five patients with subgroup-C3.2 fractures that had been treated with combined dorsal and volar plate fixation were evaluated at an average of twenty-six months after the injury. Subsequent procedures included implant removal in twenty-one patients and reconstruction of a ruptured tendon in two patients. RESULTS: An average of 54 degrees of extension, 51 degrees of flexion, 79 degrees of pronation, and 74 degrees of supination were achieved. The grip strength in the involved limb was an average of 78% of that in the contralateral limb. The average radiographic measurements were 2 degrees of dorsal angulation, 21 degrees of ulnar inclination, 0.8 mm of positive ulnar variance, and 0.7 mm of articular incongruity. Seven patients had radiographic signs of arthrosis during the follow-up period. A good or excellent functional result was achieved for twenty-four patients (96%) according to the rating system of Gartland and Werley and for ten patients (40%) according to the more stringent modified system of Green and O'Brien. CONCLUSIONS: Combined dorsal and volar plate fixation of the distal part of the radius can achieve a stable, mobile wrist in patients with very complex fractures. The results are limited by the severity of the injury and may deteriorate with longer follow-up. A second operation for implant removal is common, and there is a small risk of tendon-related complications.

Adult↗
PubMed1985

External fixators for wrist fractures: a biomechanical and clinical study.

The rigidity of four external fixators for the wrist was determined by using the Instron universal testing instrument. Using the equivalent stiffness index, the small A.O. was 7.6, the mini Hoffman was 3.7, Roger Anderson was 3.5, and Ace Colles' was 4.3. Thus, the small A.O. was about twice as rigid overall as the other three external fixators. Twenty-two patients with unstable distal radius fractures were treated with the mini Hoffman external fixator over a 3-year period; and follow-up data were obtained. The average final angle of the distal radial articular surface on the anteroposterior x-ray film was 17.5 degrees. The final angle of the distal radial articular surface on the lateral x-ray film was 2 degrees dorsal. The final height of the distal radial styloid averaged 8 mm. The final range of motion of the wrist compared with the opposite normal hand was extension 77%, flexion 77%, ulnar deviation 82%, radial deviation 73%, pronation 84%, supination 78%, and grip strength 72%. Complications included three cases of broken pins, one of a pin loosening with migration, one case of tendon rupture, and one of intrinsic contracture. From our experience, the Hoffman external fixator gave adequate clinical and functional results and can be used safely in the small to average size patient. A more rigid external fixator should be used for larger and more active patients. External fixation is an excellent way to treat unstable distal radial fractures.

Adult↗
PubMed1988

[Surgical differential therapy of fracture of the radius head].

The different types of radial head fractures require specific and varying methods of treatment. Between 1982 and 1985, follow-up evaluation of 92 out of 110 patients treated for such fractures at our facility could be performed. The most frequently seen fractures: nondisplaced marginal and marginal sector fractures, as well as fractures of the radial neck, for example, can be treated conservatively. Follow-up results of such treatment were mostly good to very good. The minimal depression injury is also well suited for conservative therapy. Opened reduction and internal fixation is indicated only in cases of extreme depression of the radial head. Displaced marginal, marginal sector or neck fractures exhibiting a tilting of more than 20 degrees require osteosynthesis. The limitations of internal fixation are encountered in reconstruction attempts of comminuted radial head fractures. Due to the poor results obtained after such attempts, internal fixation of such injuries cannot be recommended. Comminuted fractures and neck fractures with an extensive comminuted region as well as displacement of the radial neck more than 20 degrees, require resection, if active elbow movement is not to be expected within 3 weeks. If resection of the radial head cannot be avoided, it should be performed within the first 5 weeks post-injury. Results following early resection are markedly better than those achieved with late resection.

Bone Transplantation↗
PubMed1990

Anterior interosseous nerve palsy complicating a forearm fracture in a child.

An anterior interosseous nerve palsy occurring as a complication of a closed both bone forearm fracture in a child is presented. Surgical exploration showed that a bone spike from the proximal fragment was perforating the median nerve. The fractured radius was reduced and inspection of the nerve under the microscope showed no fasicular disruption. Complete motor recovery occurred in 4 months and sensibility had fully returned at 10 months after the operation.

Child↗
PubMed2001

Computerized analysis of radiographs in Colles' fractures.

Several radiographic parameters correlate with clinical outcome in distal radius fractures. This study describes a new, computerized routine that automatically defines the longitudinal axis of the radius, deriving the radial tilt, radial width, and radial height on anteroposterior radiographs of the wrist. The intraobserver and interobserver variability is reported in a series of 33 anteroposterior radiographs of the wrist. An edge-finding filter is used to determine accurately the cortices in several lines of each image. The midpoints between these two edges are used to determine the best-fit line, thereby defining the longitudinal axis of the bone. The operator marks the tip of the radial styloid and the lunate angle of the radius at the distal radioulnar joint. Radial shortening, widening, and loss of angle are calculated. The 33 radiographs were measured twice by two independent observers, and 12 sets of paired readings were analyzed using the two-tailed paired t test. The mean difference between readings was reduced to a fraction of degree or millimeter, virtually eliminating the intraobserver and interobserver errors. Thus, the current study shows the computer is a reliable and effective instrument for measuring radiographs. The computer-aided system of measurements can be extended to prostheses, fractures, and to other orthopaedic measurements.

Colles' Fracture↗
PubMed2005

Temporary fixation with the Agee-Wristjack during correctional osteotomies for malunions and nonunions of the distal radius.

Upper extremity surgeons are often responsible for managing complex malunions and nonunions of distal radius fractures. Studies have demonstrated that corrective osteotomies of the malunited distal radius with placement of sculpted bone grafts produce the best functional and cosmetic results in patients. We describe a technique for providing provisional stabilization of the osteotomy site for treatment of distal radius malunions and nonunions using the Agee-Wristjack external fixator device. The Agee-Wristjack has several features that make it superior to other available small external fixators. Its gear mechanisms confer stable distraction of the distal radius following osteotomy and greatly facilitate appropriate positioning of the distal fragment. Iliac crest bone graft may be harvested and shaped precisely to fit the osteotomy defect. Placement of the Agee-Wristjack's distal fixator pins into the index metacarpal instead of the distal radius fragment facilitates application of a plate, with minimal interference from the distal pins. Finally, the Agee-Wristjack may be maintained following surgery to supplement the internal fixation.

Contraindications↗
PubMed1988

Classification and management of intra-articular fractures of the distal radius.

A classification of distal radial articular fractures is described, based on observations of consistent patterns of fracture fragmentation and displacement. The classification categorizes articular fractures into four types, with the medial complex assuming a pivotal position as the cornerstone of both the radiocarpal and distal radioulnar joints. The purpose of this classification is four-fold: (1) to afford identification and an understanding of the displacement characteristics of the major fracture components, (2) to provide practical and rational guidelines for the management of these injuries based on specific fracture patterns, (3) to emphasize the frequency of concurrent soft tissue and other skeletal injuries associated with the more severe types of articular disruption, and (4) to serve as a prognostic gauge for the varied spectrum of distal radius articular injury. Optimal management of distal radius fractures necessitates the differentiation of articular from extra-articular fractures as well as prompt detection of unstable injuries. While the majority of unstable fractures can be successfully managed by closed methods, a substantial and increasing number require open treatment for restoration of articular congruity as well as repair of concomitant soft tissue and skeletal injuries. In all cases, precise reduction of the key medial fragments is essential to maximum recovery.

Bone Nails↗
PubMed1997

Do we underestimate the predictive value of the ulnar styloid affection in Colles fractures?

Various radiographic factors have been suggested as predictively important when dealing with an unstable distal radius fracture. Accordingly, many classification systems have been established in order to give an accurate description of a fracture and to grade the seriousness of the injury. In this paper, we use the classification of Colles fractures introduced by Frykman to investigate the predictive value of a concomitant fracture of the ulnar styloid. We found styloid affection to be a better predictor of a poor outcome than intra-articularity, but the combination carries the worst prognosis. We therefore suggest that a fracture of the distal radius associated with those two types of injuries should be considered for surgical treatment.

Adult↗
PubMed2006

Compositional variation of fibrous callus and joint cartilage in different internal environments.

OBJECTIVE: To evaluate the compositional variation of fibrous callus in the fracture site and the joint cavity and joint cartilage after being transplanted in the muscle pouch. METHODS: Thirty 2 month old New Zealand white rabbits (weighing 1-1.5 kg) were randomly divided into two groups: a callus transplantation group (Group A, n=15) and a cartilage transplantation group (Group B, n=15). In Group A, closed radius fracture was made and the autologous fibrous callus was transplanted in the right knee joint cavity at 12 days postoperatively. In Group B, the right knee joint cartilage of the animals was transplanted in the autologous back muscle pouches under anesthesia. Then all the animals were killed by overdose anesthetic 3 weeks after transplantation. And the transplanted fibrous callus, the healed bones in the fracture sites and the transplanted joint cartilage were obtained for assessment of compositional variation. RESULTS: Pure fibrous composition was found in the callus at the fracture sites in Group A at 12 days postoperatively. And for 11 out of the 15 animals, the fibrous callus was transformed into cartilaginous tissues after 3 weeks of transplantation, but the fibrous callus was absent in the other 4 animals. The fibrous calluses at the original site and the fracture locus were differentiated into bony tissues. Bony tissue transformation was found in the transplanted joint cartilages in the muscle pouch of all the animals in Group B. CONCLUSIONS: The fracture sites or joint cavity may facilitate callus differentiation in different ways: the former is helpful for osteogenesis while the latter for the development and maintenance of cartilages, and the muscle pouch is inclined to induce the osteogenic phenotype for cartilages.

Animals↗
PubMed1997

[Surgical treatment of fractures of the radius neck in children using the Métaizeau technic].

Fractures of the radial neck in children must be reduced when the angular displacement is superior to 30 degrees. Given that orthopaedic reduction is difficult, internal fixation using closed intramedullary pinning, as described by Métaizeau in 1980, seems to be an elegant solution which preserves the vascularisation of the physis. The authors report their experience with this technique, which has been used to treat fifteen patients, with a mean age of nine years, between 1983 and 1996. A plaster cast was worn for three weeks after operation and sound union was observed at six weeks. Full functional recovery was observed in all patients at six weeks. No complication was encountered and the pins were removed at three months.

Adolescent↗
PubMedDate not supplied

Plating of the distal radius.

Distal radius fractures are common injuries that can be treated by a variety of methods. Restoration of the distal radius anatomy within established guidelines yields the best short- and long-term results. Guidelines for acceptable reduction are (1) radial shortening < 5 mm, (2) radial inclination > 15 degrees , (3) sagittal tilt on lateral projection between 15 degrees dorsal tilt and 20 degrees volar tilt, (4) intra-articular step-off < 2 mm of the radiocarpal joint, and (5) articular incongruity < 2 mm of the sigmoid notch of the distal radius. Treatment options range from closed reduction and immobilization to open reduction with plates and screws; options are differentiated based on their ability to reinforce and stabilize the three columns of the distal radius and ulna. Plating allows direct restoration of the anatomy, stable internal fixation, a decreased period of immobilization, and early return of wrist function. Buttress plates reduce and stabilize vertical shear intra-articular fractures through an antiglide effect, where-as conventional and locking plates address metaphyseal comminution and/or preserve articular congruity/reduction. With conventional and locking plates, intra-articular fractures are directly reduced; with buttress plates, the plate itself helps reduce the intra-articular fracture. Complications associated with plating include tendon irritation or rupture and the need for plate removal.

Bone Plates↗