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Biomedical subjects

A Wallöe

Publications and source records attributed to A Wallöe.

14 recordsLinked to original sources
PubMed1989

Trochanteric fractures--a clinical and radiologic evaluation of McLaughlin, Ender, and Richard's osteosynthesis.

Four hundred and thirty femoral trochanteric fractures operated with nail-plate (McLaughlin), Ender, or sliding screw-plate (Richard) osteosynthesis were followed up radiographically and clinically. For each method of osteosynthesis the initial nail position was correlated to the occurrence of late mechanical complications. Unstable fractures were associated with a higher incidence of one or more clinical complications such as repeated surgery, post-operative death, or increased pain. For Ender osteosynthesis correlations were found between several mechanical and clinical complications, while for Richard's osteosynthesis mechanical complications were significantly correlated to repeated surgery only. McLaughlin and Ender osteosyntheses had a higher incidence of reoperations than Richard's osteosynthesis, whereas the mobility and ADL function were the same at 4 months.

Bone Plates↗
PubMed1984

Complications after trochanteric fractures. A comparison between Ender and nail-plate osteosynthesis.

Three hundred and forty-one trochanteric femoral fractures operated with intramedullary nailing (Ender) or nail-plate osteosynthesis (McLaughlin) were followed up for 4 months and reoperations were recorded at 18 months. Both methods had an unacceptably high frequency of complications, radiographically in one third and reoperations in one tenth of the total material. The greatest number of operative technical problems was encountered in the Ender group. The 4-month radiographic follow-up showed more complications in unstable than in stable fractures for both methods. In stable fractures, the Ender group had more radiographic complications. There was a slightly better walking capacity at 4 months and fewer reoperations at 18 months in the McLaughlin group.

Bone Nails↗
PubMed1983

Incidence and stability of trochanteric femoral fractures.

Sex, age and stability were recorded in 376 cases of trochanteric femoral fractures. In 168 cases the age and sex specific incidence was determined. When comparing our results with those in previous studies from the same region there was no increase that could not be related to age. This is in contrast to other reports from Scandinavia where investigators have found an increase in fracture incidence that could not be explained by the increasing number of old people. We, as others, have found a high proportion of unstable fractures. The unstable fractures did not occur more frequently in the oldest age groups.

Adult↗
PubMed1982

Anteversion measurements in trochanteric fractures of the femur.

The anteversion of the femur was measured in trochanteric fractures operated upon with nail-plate or Ender osteosynthesis, and the results were compared with a normal material. A significant reduction in anteversion was found in the cases with Ender osteosynthesis as a possible explanation for the outward rotation of the operated limb commonly observed in these patients. No difference in anteversion was found between cases operated upon with conventional Ender technique, i.e. without anteversion of the nails, and those operated upon with a modified technique where the nails had been anteverted if considered appropriate at the operation.

Biomechanical Phenomena↗
PubMed1982

Ultrasound in sciatica.

Investigation of the sagittal diameter of the spinal canal by ultrasound has shown a relative stenosis in patients with sciatica. In this study 12 patients who had recovered uneventfully after being operated on for herniated lumbar discs were found to have a broader spinal canal than 10 patients treated in the same way but still suffering from pain. Moreover, more difficulty was experienced investigating this latter group with the described "B-scan" technique. It is suggested that a preoperative ultrasound investigation would be able to indicate a narrow spinal canal and thereby reduce the number of disc operation failures.

Adult↗
PubMed1979

Bone morphology in epileptics.

In 31 epileptics, most of whom had been on anticonvulsive drugs for decades, the amount of osteoid--active and inactive--and the osteoclast activity were measured in iliac crest biopsies and compared with the same variables from a control group. Although falling within normal limits, the amount of osteoid, in particular the inactive osteoid, was significantly increased in the epileptics. The osteoclast activity was also significantly increased in the epileptics.

Adult↗
PubMed1979

Bone mineral content in epileptics.

The bone mineral content in the forearms was measured in 71 epileptics, admitted to an institution for epileptics. The mineral content was decreased in epileptics as compared with age-matched normal controls. The decrease was in the order of 10--15% except in the distal end of the forearm in women. Also, the strength of the hand and forearm was decreased by 1/3 and since there is a known relationship between strength and bone mineral content, the loss of bone mineral may be secondary to the loss of strength. Therefore, inactivity could be an important contributory factor to the bone mineral loss in these epileptics.

Aged↗
PubMed1979

Biochemical variables related to calcium metabolism in epileptics.

Five biochemical variables, S-Ca, U-Ca, S-P, U-P and S-ALP, all involved in calcium metabolism, have been investigated in 86 epileptics on long-term medication. We found hypocalciuria in half of the epileptics and increased S-ALP in one third. In contrast to earlier reports there was no hypocalcemia, whereas hypercalcemia was found in 7 epileptics. We have previously reported a high frequency of fractures in these epileptics. An increased fracture rate was found in the 13 epileptics with both hypocalciuria and increased S-ALP, indicating osteomalacia.

Aged↗
PubMed1977

Incidence of fracture in epileptics.

In 87 epileptics on diphenylhydantoin, the occurrence of non-seizure-related fractures, over a period of 7 years, was six times greater than that found in the normal population. The significant increase in fracture incidence was found to lie within the 45-64 age group indicating that eipleptics are not only more prone to fractures but also have an earlier fracture début.

Adult↗
PubMedDate not supplied

Trochanteric fractures. Classification and mechanical stability in McLaughlin, Ender and Richard osteosynthesis.

Four hundred and thirty trochanteric fractures operated upon with McLaughlin, Ender or Richard's osteosynthesis were divided into 6 different types based on their radiographic appearance before and immediately after reposition with special reference to the medial cortical support. A significant correlation was found between the fracture type and subsequent mechanical complications where types 1 and 2 gave less, and types 4 and 5 more complications. A comparison of the various osteosyntheses showed that Richard's had significantly fewer complications than either the Ender or McLaughlin types. For Richard's osteosynthesis alone no correlation to fracture type could be made because of the small number of complications in this group.

Bone Nails↗