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Biomedical subjects

I Bjerkreim

Publications and source records attributed to I Bjerkreim.

17 recordsLinked to original sources
PubMed1992

Bilateral femoral shortening for unaccepted tallness.

We performed bilateral femoral shortening operations on 15 skeletally mature patients (11 women and four men). Their mean height pre-operatively was 193.5 cm and they were shortened by 5 to 9 cm. We used a subtrochanteric Z-osteotomy with an AO condylar plate in 11 patients, and mid-diaphyseal osteotomy with an intramedullary locking nail in four. After an average follow-up of 8.1 years, isokinetic muscle testing showed that muscle strength was reduced bilaterally in five patients. The strength ratio between hamstrings and quadriceps muscles was normal in all those treated by subtrochanteric shortening; in those shortened at the mid-shaft the quadriceps was relatively weaker. The result was rated as excellent by 11 patients, very good by three, and good by one.

Adolescent↗
PubMed1978

Congenital dislocation of the hip in Norway. Late diagnosis CDH in the years 1970 to 1974.

A survey of 274 late detected cases of CDH born in the years 1970--74 is presented. The incidence of late cases in southeast Norway was calculated to 2.2 per 1 000 live births. The hips of all patients were examined at birth, the majority by trained pediatricians, without disclosing any hip affections. 86% were females. Only 6.9% were delivered in the breech position. One-half of the patients had luxation (20%) or subluxation (30%), the rest had dysplasia without dislocation. In 19% both hips were involved. The low incidence of breech presentations in late CDH-cases compared with the incidence among neonatal cases (15.7%) point to some etiological differences. It seems that we in Norway have two types of CDH, one caused by joint laxity and detectable at birth and another, not present at birth, with progressive dysplasia of the hip and dislocation developing during the first year of life.

Breech Presentation↗
PubMed1978

Larsen's syndrome.

A girl with the characteristic abnormalities of Larsen's syndrome is presented. A soft flabby consistence of the cartilaginous skeleton of the larynx and trachea was thought to be the cause of attacks of respiratory failure which suddenly caused her death at the age of 9 months. Microscopy revealed a considerably reduced number of elastic fibres in the larynx, trachea and bronchi. Closed reduction of the knee dislocation by skin traction seemed to be successful.

Abnormalities, Multiple↗
PubMed1978

Lumbar intervertebral disc herniation in the young.

A survey of 37 young patients, 10 to 18 years of age, with lumbar intervertebral disc herniation is presented. Local physical findings and limitation in straight-leg raising are often more marked in the young than in adults, whereas pain may be slight or even absent. Neurological findings were normal in 40 per cent of the cases, and when deficits were found, they were usually of a minor nature. Herniated disc syndrome in children and adolescents is characteristic and should not be difficult to recognize. With surgical treatment good results were obtained in nearly all cases.

Adolescent↗
PubMed1976

Operative treatment of scoliosis with the Harrington instrumentation technique.

Preliminary results of treatment of scoliosis with the Harrington instrumentation technique in 80 patients are presented. The curve correction at operation averaged 43.4% with the best results being achieved in idiopathic single curves (49.3%). Most of the patients had been treated conservatively for a long time prior to operation, and the curves were rather stiff. The initial loss of correction was 3.2 degrees, and the overall loss at 2 years postoperatively averaged 6.5 degrees in 28 patients. Complications occurred in 22.5% of the patients, most often at the upper hook site. Serious complications were rare. It is concluded that the Harrington instrumentation technique is an effective means of treatment of scoliosis.

Adolescent↗
PubMed1976

Dysplasia epiphysealis hemimelica.

Four typical cases of dysplasia epiphysealis hemimelica are reported, the age when first examined varying from 18 months to 5 years. The observation periods varied from 3-20 years. After fusion between the accessory ossification centres of the osteochondroma and the regular epiphysis, no further enlargement was observed. In three cases an enlarged medial femoral condyle was resected, in two cases the resection was done through bone, leaving a non-cartilaginous surface in the knee joint. This procedure seems to have no harmful consequences; one of the patients seen 19 years later had no complaints, and the knee joint appeared almost normal on X-rays.

Bone Diseases, Developmental↗
PubMed1976

Congenital contractural arachnodactyly.

Five cases of congenital contractural arachnodactyly (CCA) are reported. Three belong to the one family. CCA has often been mistaken for Marfan's disease and arthrogrypois multiplex. Because CCA has a more favourable prognosis, it is very important to be able to recognize this syndrome.

Adolescent↗
PubMed1975

Genu recurvatum: a late complication of tibial wire traction in fractures of the femur in children.

Seven cases of genu recurvatum following wire traction through the proximal end of the tibia in children treated for fractures of the femur are reported. A premature closure of the anterior part of the growth plate was most probably caused by too close a proximity of the wire to the tibial tuberosity. Where tibial wire traction is used in children it is advisable to insert the wire distal to the tuberosity.

Adolescent↗