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PubMedDate not supplied

Cast immobilization versus percutaneous pin fixation of displaced distal radius fractures in children: a prospective, randomized study.

Thirty-four patients were enrolled in a prospective randomized study comparing cast immobilization alone versus percutaneous pin fixation following closed reduction of distal radial metaphyseal fractures. Patients older than 10 years of age with greater than 30 degrees of dorsal angulation or with complete fracture displacement were eligible for enrollment. Average follow-up was 10.5 weeks. All fractures healed uneventfully without deformity, growth arrest, or functional limitations. Overall complication rates were similar between groups. Thirty-nine percent of patients treated with casting had subsequent loss of reduction requiring remanipulation; there were no cases of loss of reduction in patients treated with pin fixation. Thirty-eight percent of patients treated with pin fixation had pin-related complications; all resolved following pin removal without long-term sequelae. Cost analysis showed no significant difference in treatment charges between groups. Treating surgeons should be aware of the potential short-term complications of each treatment method and adjust their postoperative care appropriately.

Bone Nails↗
PubMed1978

[Significance of ulnar ligament injuries in typical radius fractures].

In 20 patients with COLLES' fractures, stress-films of the wrist demonstrated that without fracture of the ulnar styloid ruptures of the ulnar ligaments are possible, and lead to increased radial abduction of the carpus. This instability together with interposition of the ruptured soft tissue produces a tendency to radial subluxation of the hand, in spite of good alignment of the fragments. In conclusion, we suggest that in younger patients closed reduction should be stabilized by means of percutaneous Kirschner-wires and that the interposed soft tissue should be excised.

Colles' Fracture↗
PubMed2001

The development of metaphyseal cortex--implications for distal radius fractures during growth.

Fractures of the distal radial metaphysis are very common in otherwise healthy children. The reasons for this high fracture incidence are not entirely clear. To address this problem, we undertook a detailed analysis of distal radius development using peripheral quantitative computed tomography (pQCT) at a site 4% proximal to the radial articular surface. The study population comprised 337 healthy children and adolescents (aged 6-18 years; 171 girls) and 107 adults (aged 29-40 years; 88 women). Total volumetric bone mineral density (vBMD) remained stable at about 70% of the adult value between the ages of 6-7 years and 14-15 years in both genders. Cortical thickness increased little between 6-7 years and 12-13 years in girls and 14-15 years in boys. Strength-Strain Index (SSI; a parameter combining geometry and density) was still at only 20% of the adult value in girls aged 10-11 years and at 21% of the adult level in boys aged 12-13 years. At these ages, factors that contribute to the mechanical challenge to the distal radius in case of a fall (forearm length and body weight) had already reached 49% and 36% of the adult value in girls and boys, respectively. The shaping of the distal radius cortex (metaphyseal inwaisting) was assessed by analyzing the decrease in cross-sectional bone size between adjacent bone slices in a separate population of 44 children (aged 8-19 years; 26 girls). The rates of periosteal resorption and endocortical apposition were estimated to average 8 microm/day and 10 microm/day, respectively, during the growth period. In conclusion, during growth the increase in distal radius strength lags behind the increase in mechanical challenges caused by a fall, because metaphyseal cortical thickness does not increase sufficiently. The endocortical apposition rate is already very high at that site and apparently cannot be further increased to levels that would be necessary to keep bone strength adapted to the mechanical requirements.

Adolescent↗
PubMed2003

[A 36 month prospective study of 12 plate osteosyntheses of distal radius fractures].

INTRODUCTION: We performed a prospective study of 12 intra-articular distal radial fractures. The fractures were treated with an anterior plate together with posterior pinning. The aim of the study was to examine whether it was technically feasible to fix such fractures using this technique and to assess the stability of the fixation at follow up. METHOD: Twelve articular fractures were included with a mean age of 47.1 years. All patients were followed up from first admission to the 36th postop month with clinical and radiological checks. RESULTS: At follow up, we found 8 good and excellent clinical results, 3 fair and 1 poor. The combination of an anterior plate with posterior pinning allowed a good initial reduction but could not protect from secondary displacement particularly in the presence of a comminuted metaphysal fracture. DISCUSSION: This procedure gave clinically satisfactory results but did not control ulnar variance. This procedure should be combined with bone grafting in complex metaphysal fractures and epiphysal screws should be used whenever possible.

Bone Nails↗
PubMed1998

[Osteosynthesis of distal radius fractures by by flexible intramedullary nailing (Geneva experience)].

In 1949 Leslie Rush described a new method of management of Colles' fractures by means of a rigid medullary nail. Claude Py in 1969 followed this concept but used two flexible intramedullary pins. After briefly recalling the biomechanical principle and operating technique, the authors outline their series of 39 extra- and intra-articular fractures (10 males and 29 females) operated between March 1995 and April 1996 with an average follow-up of 6.5 months (1.5-14.5 months). The radiological and functional results are discussed: 55% of the cases showed good anatomical reduction whereas 59% achieved a satisfactory functional result. The advantage of this operating technique lies in its simplicity. Nevertheless, considerable experience is necessary owing to the relatively high complication rate (secondary displacement, tendon or nerve lesions, reflex sympathetic dystrophy). However, this method requires only a limited amount of time and remains a good indication for extra-articular and simple articular fractures. In the case of severe posterior comminution, the use of cancellous bone graft can help to prevent secondary dorsal impaction and its repercussion on distal radio-ulnar function.

Adult↗