Library

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Systemic and Cerebral Haemodynamics During Craniotomy Under Mild Hypothermia in Patients with Acute Subarachnoid Haemorrhage (2000)
    Springer
    Acta neurochirurgica 142 (2000), S. 1013-1020 
    Details
    ISSN: 0942-0940
    Keywords: Keywords: Haemodynamics; cerebral circulation; mild hypothermia; subarachnoid haemorrhage.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary ¶ Background. Mild hypothermia provides cerebral protection against ischaemic insults in various animal models. We compared systemic and cerebral oxygenation between mild hypothermic and normothermic management in 60 patients with acute subarachnoid haemorrhage who underwent clipping of cerebral aneurysms.  Method. The temperature in the pulmonary artery was maintained at 36°C in 28 patients and was reduced to 34°C in 32 patients. Parameters in the systemic and cerebral haemodynamics from pulmonary artery and internal jugular vein catheters were compared between the two groups immediately after the induction of anaesthesia (T1), and just before temporary occlusion or aneurysm clipping (T2).  Findings. Cardiac index, oxygen delivery index, oxygen consumption index, and oxygen saturation of the jugular bulb were significantly lower at T2 in hypothermic group (H) (2.9±0.6 L/min/m2, 400.8±106.3 ml/min·m2, 87.0±14.8 ml/min·m2, 55.2±6.6%, respectively) than in normothermic group (N) (3.7±0.6, 521.0±105.5, 109.9±21.7, 60.9±6.6) (p〈0.05). The arterial lactate and arteriojugular difference in oxygen content were significantly higher in H (2.3±1.3 mmol/L, 6.5±1.5 ml/dl, respectively) than in N (1.7±1.0, 5.6±1.2) (p〈0.05). Arteriojugular differences in carbon dioxide tension and hydrogen ion content were significantly lower at T2 in H (−10.8±2.1 mm Hg, −6.4±1.3 nmol/L, respectively) than in N (−8.9±2.8, −5.3±1.0) (p〈0.05).  Interpretation. The balance between oxygen supply and demand systemically and in the brain may worsen during aneurysm surgery for patients with acute subarachnoid haemorrhage under mild hypothermia. Oxygenation of the brain and the whole body should be monitored closely during this surgery, and adequate circulatory assistance is recommended under mild hypothermia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007010070056
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Proton NMR relaxation study of molecular motion in poly(.gamma.-n-octadecyl L-glutamate) and poly(.gamma.-oleyl L-glutamate) (1990)
    s.l. : American Chemical Society
    Macromolecules 23 (1990), S. 4908-4911 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00225a004
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Analysis and Design of Plasma Chemical Reactions Based on Quantum Chemical Methods (1993)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 140-142 (Oct. 1993), p. 17-24 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/00/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.140-142.17.pdf
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Asymmetric Behavior of Elastic Scattering Appearing Prior to the Transformation in Au-47.5at%Cd (2000)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 327-328 (Jan. 2000), p. 377-380 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/04/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.327-328.377.pdf
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Central neurocytoma: immunohistochemical and ultrastructural study (1991)
    Springer
    Acta neuropathologica 81 (1991), S. 418-427 
    Details
    ISSN: 1432-0533
    Keywords: Neurocytoma ; Oligodendroglioma ; Synaptic vesicles ; Synaptophysin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Eight cases of central neurocytomas were studied by immunohistochemistry and electron microscopy. Seven tumors were located in the lateral ventricles and one in the subependymal region. All but one patient had a favorable postoperative course. The tumors were composed of small uniform cells possessing amitotic round nuclei with frequent perinuclear halos, a few Homer Wright rosettes and no ganglion cells; an appearance resembling that of oligodendroglioma. Immunohistochemical studies disclosed neuron-specific enolase and Leu-7 positivity in all tumors, S-100 protein-positive cells were found in six, while glial fibrillary acidic protein —and vimentin-positive cells were confined to the blood vessels. Myelin basic protein as well as neurofilament were not detected in the tumors. Synaptophysin-positive areas were seen in one tumor. Ultrastructural examination showed distinctive neuronal tumor cells which had a cytoplasm with sparse dense-core vesicles and thin cell processes containing parallel microtubules. They were classified into three different types of tumor cells according to the extent of differentiation. The most consistent finding for histological diagnosis was the presence of typical or abortive synapses with clear and dense-core vesicles. Additionally, synaptophysin may be a specific marker for some central neurocytomas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00293463
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Latent herpes simplex virus type 1 in human geniculate ganglia (1992)
    Springer
    Acta neuropathologica 84 (1992), S. 39-44 
    Details
    ISSN: 1432-0533
    Keywords: Herpes simplex virus ; Latent infection ; Human geniculate ganglion ; In situ hybridization ; Bell's palsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Viral infection, especially by reactivation of herpes simplex virus (HSV) has been considered to be a possible explanation for the pathogenesis of idiopathic peripheral facial nerve palsy (Bell's palsy). We investigated whether the geniculate ganglia of man contain latent HSV type 1 (HSV-1), and compared the frequency of HSV-infected ganglia and that of latently infected neurons in human geniculate ganglia and in trigeminal ganglia. From autopsy specimens of eight adults 15 geniculate ganglia and 16 trigeminal ganglia were examined by means of in situ hybridization and immunohistochemical staining. The HSV-1 genome was detected in 11 of the 15 (71%) geniculate ganglia and in 13 of the 16 (81%) trigeminal ganglia. No HSV antigen was noted in any of the ganglia. The incidence of latently infected neurons was 0.9% in the trigeminal ganglia and 5.3% in the geniculate ganglia. The difference in percentages between the two types of ganglia was significant. Our results suggest that reactivation of latent HSV in the geniculate ganglia is a probable cause of some cases of herpetic stomatitis and of idiopathic peripheral facial nerve palsy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00427213
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    Fluctuations in bacterial populations on the root surface of wheat (Triticum aestivum L.) grown under different soil conditions (1992)
    Springer
    Biology and fertility of soils 14 (1992), S. 246-252 
    Details
    ISSN: 1432-0789
    Keywords: Volcanic ash soil ; Fluorescent pseudomonads ; Rhizosphere ; Wheat ; Bacterial groups ; Phosphate fertilizer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Populations of several bacterial groups on the root surface of wheat and in root-free soil were investigated in volcanic ash soil and non-volcanic ash soil throughout a series of predetermined intervals. Over time, the populations changed similarly both on the root surface and in root-free soil. The numbers of total bacteria, fluorescent Pseudomonas spp., phosphate-solubilizing bacteria, and NH inf+ sup4 -oxidizing bacteria, were consistently lower in the plots with volcanic ash soil than with nonvolcanic ash soil, but the numbers of cellulose-decomposing bacteria were opposite to those of the other groups. Superphosphate application improved the growth of wheat in the volvanic ash soil. It did not, however, bring about any significant changes in the bacterial populations among the volcanic ash soils supplemented with three different levels of superphosphate, though there were some variations with plant age.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00395459
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Early Experience With Poly L-Lactic Acid Bioabsorbable Fixation System for Paediatric Craniosynostosis Surgery. Report of 3 Cases (2000)
    Springer
    Acta neurochirurgica 142 (2000), S. 187-192 
    Details
    ISSN: 0942-0940
    Keywords: Keywords: Bioabsorbable; bone fixation; craniofacial reconstruction; craniosynostosis; poly L-lactic acid.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary ¶ Objective. The authors describe early experience in the use of bioabsorbable fixation devices for cranial reconstruction of paediatric craniosynostosis patients.  Methods. Three patients, individually respectively presenting sagittal synostosis, metopic synostosis, and clover leaf skull deformity, underwent cranial reconstruction using poly L-lactic acid (PLLA) plates and screws. The patients ranged in age from 2 to 10 months at the time of surgery. The postoperative clinical follow-up ranged from 16 to 18 months. All patients showed satisfactory wound healing without signs of infection or local inflammation. The plates provided satisfactory fixation and were not palpable through the skin after 16 to 18 postoperative months.  Conclusion. Our experience demonstrated the efficacy of PLLA bioabsorbable plates and screws for cranial reconstruction in cases of infant craniosynostosis. Prospective studies and longer follow-up of a larger number of patients is desirable for confirmation of these findings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007010050022
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    Transcranial Transsphenoidal Approach for Tuberculum Sellae Meningiomas (2000)
    Springer
    Acta neurochirurgica 142 (2000), S. 751-757 
    Details
    ISSN: 0942-0940
    Keywords: Keywords: Tuberculum sellae; meningioma; bifrontal approach; transsphenoidal approach.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary  Objective. A series of 21 patients with tuberculum sellae meningioma who received surgical treatment is reported.  Patients and Methods. All 9 females and 12 males (mean age 49 years) presented visual disturbances of varying degrees in either one or both eyes. Eighteen of the tumours were less than 3 cm in size, and 3 were larger. Tumour resection of uniform surgical technique was performed in all cases. Following a bicoronal scalp incision, bifrontal craniotomy combined with removal of the orbital rim bilaterally was performed. The frontal dura was opened bilaterally, and the most anterior portion of the superior sagittal sinus was transected. Bifrontal retraction and arachnoid dissection along the proximal olfactory tracts brought the tumour into view. Additional dissection of the interhemispheric fissure extended the operative field to the anterior communicating artery. The anterior skull base was drilled out to resect the basal part of the tumour. In all cases, the optic canal and sphenoid sinus, and additionally in some cases the ethmoid sinus were opened. The tumour uniformly extended inferomedially to the optic nerve, and direct visualization of this portion of the tumour was possible with our approach. The opened paranasal sinuses were reconstructed with adipose tissue harvested from the patient's abdomen and the pericranial flap.  Results. In all patients, total or almost total resection of the tumour was accomplished. Postoperatively, visual function was improved in 11 patients, was unchanged in 8, and worsened in 2. There were no operative deaths. Cerebrospinal fluid leakage was occurred in two patients but could be conservatively managed. In a mean 3-year follow-up, tumour recurrence was observed in only one patient who presented a malignant histology.  Conclusions. We are confident that our surgical approach has great clinical value in surgical resection of tuberculum sellae meningioma. The good accessibility to a tumour extending inferomedially to the optic nerve should, in particular, be stressed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007010070089
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    The accumulation of11C-methionine in cerebral glioma patients studied with PET (1990)
    Springer
    Acta neurochirurgica 104 (1990), S. 8-12 
    Details
    ISSN: 0942-0940
    Keywords: Amino acid metabolism ; cerebral glioma ; brain tumour ; 11C-methionine ; PET
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Fourteen patients with cerebral gliomas were studied with positron emission tomography (PET) using L-[methyl-11C]methionine (11C-MET). Positive images of tumour were obtained in all cases regardless of histological grades. The analysis of differential absorption ratio (DAR) showed the higher accumulation of11C-MET in high grade gliomas than in low grade gliomas. PET study with11C-MET will be of great value not only in delineating the location of gliomas, but also in making a qualitative diagnosis from the view point of the biological properties of gliomas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01842885
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...