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  • 1
    Electronic Resource
    Electronic Resource
    Can lacerations of the thoraco-lumbar dura be predicted on the basis of radiological patterns of the spinal fractures? (1994)
    Springer
    Acta neurochirurgica 129 (1994), S. 186-187 
    Details
    ISSN: 0942-0940
    Keywords: Spinal injury ; dural lacerations ; thoraco-lumbar spine ; spinal fracture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Encroachment upon the spinal canal, separation of the pedicles, associated fractures of thee laminae are assumed to be related to dural lacerations consequent to burst fractures of the thoracolumbar spine. Owing to the possible occurrence of early or delayed complications of meningeal discontinuations, the predictive value of these signs has been analyzed in a consecutive series of 50 patients, who were submitted to surgery. Dural tears were found to occur at a rate of 60%, without any statistically significant relation with any of the examined signs. The results were not consistent with the thesis that lacerations of the dura can be predicted on the basis of radiological signs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01406502
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  • 2
    Electronic Resource
    Electronic Resource
    Cerebral water and electrolytes in experimental ischaemia following omental transposition to the brain (1980)
    Springer
    Acta neurochirurgica 54 (1980), S. 213-218 
    Details
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Occlusion of the middle cerebral artery induces a local decrease in percentage of tissue dry weight in rabbit brain, associated with flux of sodium and potassium in reciprocal directions. Cortical swelling occurs also in remote non-ischaemic areas. Previous transposition of the omentum majus to the brain minimizes the onset of oedema consequent on occlusion of a major cerebral artery. Increasing experimental evidence points to the role of omental transposition in providing an effective source of collateral circulation, thus strongly affecting the threshold for infarction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01407088
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of omental transposition to the brain on protein synthesis in experimental cerebral ischaemia (1980)
    Springer
    Acta neurochirurgica 51 (1980), S. 253-257 
    Details
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Occlusion of the middle cerebral artery severely affects the uptake of labelled leucine into various subcellular fractions from rabbit brain. Previous transposition of pedicled omentum to the cerebral surface maintains to a large extent the protein synthetic activity of the brain following arterial occlusion. The role of the transposed omentum in providing an effective collateral circulation and minimizing the occurrence of irreversible ischaemic lesions is stressed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01406752
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  • 4
    Electronic Resource
    Electronic Resource
    Long-term results of surgical treatment for redundant roots of the cauda equina (1985)
    Springer
    Acta neurochirurgica 78 (1985), S. 105-107 
    Details
    ISSN: 0942-0940
    Keywords: Nerve roots ; cauda equina ; surgical treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Seven patients with redundant roots of the cauda equina were followed 2 1/2–l0 years after surgical decompression. Improvement of signs and symptoms occurred in all patients. However, none of them was neurologically intact at the time of the last physical examination, although persistence of minimal neurological signs and/or occasional pain did not prevent a useful occupational activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01808687
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  • 5
    Electronic Resource
    Electronic Resource
    Parkinsonism in the presence of intracranial extracerebral haematomas (1989)
    Springer
    Acta neurochirurgica 96 (1989), S. 159-160 
    Details
    ISSN: 0942-0940
    Keywords: Intracranial haematomas ; chronic subdural haematomas ; Parkinsonian syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Bilateral Parkinsonism has been observed in a 60-year-old female with a chronic subdural intracranial haematoma. Scattered, poorly marginated, hypodense areas within the ipsilateral pallidus and putamen were evident on the preoperative CT scans. The rapid neurological improvement following the surgical drainage of the subdural clot and the evolution of the densitometric features of the nuclear lesions, which became clear-cut, though smaller, in the following months, suggest a cause-and-effect relation between the haematoma and the clinical symptomatology. To the best of our knowledge this is the first case in which anatomical lesions within the basal ganglia could be detected neuroradiologically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01456177
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  • 6
    Electronic Resource
    Electronic Resource
    Infratentorial ischaemia following experimental cerebellar haemorrhage in the rat (1994)
    Springer
    Acta neurochirurgica 131 (1994), S. 146-150 
    Details
    ISSN: 0942-0940
    Keywords: Experimental cerebellar haemorrhage ; enzyme histochemistry ; blood flow ; hydrogen clearance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Early changes of cerebellar and cerebral blood flow, as well as subsequent infratentorial ischaemia, were evaluated in an experimental model of cerebellar haemorrhage. Eight anaesthetized male adult Sprague-Dawley rats received an injection of autologous arterial blood (50 μl) into the right cerebellar hemisphere. Eight animals were sham-operated and served as controls. Cerebellar blood flow, measured at regular time intervals in the hemispheric cortex ipsilateral to the lesion by the hydrogen clearance method, was significantly depressed in the experimental group as compared with the control animals. This drop in cerebellar blood flow was evident 5, 30, 60, 90, and 120 min postoperatively, with a return to pre-injection values recorded 180 min after surgery. No significant difference in supratentorial blood flow was detected over the entire period examined between the two groups of animals. Enzyme histochemistry demonstrated areas of ischaemia around the clot and within the brain stem in animals with an intracerebellar haemorrhage at the end of the experiment. These results provided evidence of ischaemic damage within the infratentorial compartment after the induction of experimental cerebellar haemorrhage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01401465
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  • 7
    Electronic Resource
    Electronic Resource
    Aminoacid incorporation into polyribosomes of ischaemic and reperfused gerbil brain (1980)
    Springer
    Acta neurochirurgica 51 (1980), S. 247-252 
    Details
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Aminoacid incorporation into polyribosomes from the gerbil brain in a cell-free system is strongly affected by experimental ischaemia. Progression of the impairment of the protein synthesis in vitro occurs even following early reperfusion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01406751
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  • 8
    Electronic Resource
    Electronic Resource
    Gas bubbles within acute intracranial epidural haematomas (1990)
    Springer
    Acta neurochirurgica 102 (1990), S. 22-24 
    Details
    ISSN: 0942-0940
    Keywords: Head injury ; intracranial epidural haematoma ; computed tomography of the skull ; pneumocephalus ; gas bubbles
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In order to assess the actual incidence of gas bubbles trapped within acute intracranial epidural haematomas, as revealed by computed tomography (CT) of the skull, a series of 204 patients with surgically verified epidural haematomas was retrospectively reviewed. Gas bubbles were observed on CT scan in 22.5% of the cases, with the incidence rising to 37% when CT scanners of the last generation were employed. The available data failed to demonstrate the actual source of intracranial gas. No correlation was found between the presence of gas bubbles and outcome. No patient in the whole series showed any sign of intracranial infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402181
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  • 9
    Electronic Resource
    Electronic Resource
    Muscle basal lamina as a grafting material for elongation of axons from rat brain (1991)
    Springer
    Acta neurochirurgica 109 (1991), S. 122-125 
    Details
    ISSN: 0942-0940
    Keywords: Axonal elongation ; central sprouting ; basal lamina ; nerve graft
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Autografts of peripheral nerve or allografts of muscle basal lamina were inserted into the putamen-caudate complex of rats, with the outer end of the implant being sutured to the temporalis muscle. Elongation of central axons within the grafts, as revealed by the horseradish peroxidase retrograde labelling technique, did occur in the presence of basal lamina implants. With both types of grafting materials stained neurones exhibited a comparable distribution, being mainly found in the proximity of the central tip of the grafts. However, labelled cells in the presence of basal lamina were limited in number, compared with peripheral nerve autografts. Therefore, the usefulness of implants of muscle basal lamina into the central nervous system, in order to direct regenerating central axons toward distant target regions, is limited. This material might be suitable, as an alternative grafting material, in experimental models where avoidance of neurological impairment or size and length of the graft are crucial factors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01403006
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  • 10
    Electronic Resource
    Electronic Resource
    Longitudinal study of cerebral blood flow following early or delayed surgery for ruptured intracranial aneurysms (1994)
    Springer
    Acta neurochirurgica 131 (1994), S. 6-11 
    Details
    ISSN: 0942-0940
    Keywords: Intracranial aneurysm ; subarachnoid haemorrhage ; timing of surgery ; cerebral blood flow ; xenon133 inhalation technique
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Out of a series of 43 cases operated on for ruptured intracranial aneurysms over a 12-month-period, 32 patients were followed up to 12 months postoperatively with repeated evaluations of cerebral blood flow, using the Xenon133 inhalation technique. No statistically significant differences in cerebral perfusion were detected between the subgroups of good-grade patients, who were submitted respectively to early, or delayed surgery. Depression of flow in the affected hemisphere of poor-grade patients was principally related to the preoperative occurrence of an intracerebral haematoma. The overall results were not consistent with the hypothesis that early surgical intervention results in long-lasting effects on the cerebral circulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01401448
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