[Digital subtraction angiography postprocessing].
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Biomedical subjects
Publications and source records attributed to S Lindequist.
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Ninety-six compound or unstable fractures of the tibial shaft were treated with external fixation of different mountings. The median healing time was 10 months without a statistically significant difference between the healing time after treatment with unilateral frames and quadrilateral frames. The rate of pin-track infection was 36%, which is comparable to those of other published series. Seven cases of chronic osteitis and four pseudarthroses required further surgical management. We had no primary or secondary amputations in this series.
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In a consecutive series of 56 District Health patients with low back pain, 24 had special training and instructions in a Back School, while the 32 in a control group--even if seen regularly, did not get the same intense attention. The two groups were found to have the same characteristics. No significant differences could be demonstrated either concerning the initial duration of symptoms and sick leave or the number of recurrences and their duration during the observation year. The interpretation of this lack of positive effect is, that in this comparatively more heterogenous population the actual procedure has less influence. However, there were more patients with periods of sick-leave for different other reasons in the control group. Not surprisingly the treated group of patients were also more satisfied. We therefore conclude, that the initial treatment could be limited to advice about back care, preferably a few days bed-rest, with concrete advice about the back and prescriptions for analgesics when needed.
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An experimental investigation demonstrating the value of oblique projections in radiographic examination of possible scaphoid fractures is described. Three cadaver specimens were used, fractured in different places, and radiographs were obtained at different angulations with respect to the vertical plane. Even nondislocated fractures were well demonstrated and it was concluded that a p.a. projection with the tube tilted about 40 degrees distally should always be included in radiographic examination of the carpal scaphoid.