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  • 1
    Electronic Resource
    Electronic Resource
    Periradicular therapy in lumbar radicular syndromes: Methodology and results (1997)
    Springer
    Acta neurochirurgica 139 (1997), S. 719-724 
    Details
    ISSN: 0942-0940
    Keywords: Periradicular therapy ; periradicular injection ; CT-guided therapy ; lumbar radiculopathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Periradicular therapy (PRT) has become popular in the treatment of lumbar radicular complaints, both primary, due to disc herniations (Group 1), and postoperative, following disc surgery (Group 2). However, hitherto repored data on ‘periradicular injections’ are more of a technical nature. The present study was designed to evaluate the therapeutic success of CT-versus fluoroscope-guided periradicular injections of local anaesthetics and corticoids, and to investigate the impact of imaging procedures on the results. We report on 80 patients who underwent CT-guided (n=40) or fluoroscope-guided (n=40) PRT for lumbar radicular irritation since April 1993. Forty patients had primary nerve root irritation due to disc protrusion, and 40 suffered from postoperative epidural fibrosis. Follow-up consisted in a clinical examination and an interview one day after each injection as well as 1 and 6 months later. Assessment was based on a score taking into account the clinical findings, the patient's complaints, and the patient's evaluation. Six months following treatment there was a significant reduction of ischialgia in both Groups 1 and 2 (p 〈 0.001). However, the results were significantly poorer in Group 2 (postoperative). Among the patients not operated on, those who underwent CT-guided injections had a significantly better outcome (p 〈 0.001). PRT had no significant influence on low back pain or pseudoradicular syndromes. The improvement of sensory disturbances achieved by both CT- and fluoroscope-guided injections in patients not previously submitted to surgery is statistically significant (p 〈 0.05). As compared to Group 1 (no surgery), the positive effects in patients of Group 2 were of significantly shorter duration (p〈0.05). Motor deficits were not influenced by the treatment. Long-term follow-up shows that there is no positive effect in those patients in whom the first two PRT attempts had failed. Thus, PRT represents a useful long-term therapeutic alternative for lumbar radicular syndromes, particularly when due to primary discogenic compression. CT-guided injection is superior to fluoroscope-assisted treatment for both its visualization and its longer-lasting effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01420044
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  • 2
    Electronic Resource
    Electronic Resource
    Permanent Postoperative Anosmia: A Serious Complication of Neurovascular Decompression in the Sitting Position (2000)
    Springer
    Acta neurochirurgica 142 (2000), S. 1259-1261 
    Details
    ISSN: 0942-0940
    Keywords: Keywords: Anosmia; sitting position; posterior fossa, surgical morbidity.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary  In posterior fossa surgery, the sitting position offers a number of advantages believed to outweigh complications such as air embolism and pneumatocephalus. For this reason, the sitting position is frequently used in neurovascular decompression for trigeminal neuralgia. Two years ago we reported on a previously undescribed complication: permanent postoperative anosmia. Following the recent occurrence of a second case, we conducted a nationwide survey to determine the frequency of this complication. Permanent postoperative anosmia following surgical procedures in the sitting position has been observed in 3 other institutions. In addition, the survey revealed that only 40% of German neurosurgeons still favor the sitting position for surgery of the posterior cranial fossa.  Considering that permanent anosmia severely reduces quality of life, and that it can be avoided by using another position, the sitting position for surgical procedures in the posterior fossa should be restricted to special cases (e.g., brain stem tumors).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007010070023
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  • 3
    Electronic Resource
    Electronic Resource
    Elastic and inelastic photon scattering on ^1^2C and ^1^6O in the Δ-resonance region
    Amsterdam : Elsevier
    Nuclear Physics, Section A 466 (1987), S. 652-666 
    Details
    ISSN: 0375-9474
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(87)90461-1
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  • 4
    Electronic Resource
    Electronic Resource
    Photoproduction of π^+ from ^1^4N in the Δ(1232) region
    Amsterdam : Elsevier
    Nuclear Physics, Section A 485 (1988), S. 565-579 
    Details
    ISSN: 0375-9474
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(88)90553-2
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  • 5
    Electronic Resource
    Electronic Resource
    Inelastic photon scattering in the delta-hole approach
    Amsterdam : Elsevier
    Physics Letters B 159 (1985), S. 233-238 
    Details
    ISSN: 0370-2693
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0370-2693(85)90241-2
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  • 6
    Electronic Resource
    Electronic Resource
    The influence of a bag deformation on N-N-scattering (1984)
    Springer
    The European physical journal 317 (1984), S. 125-126 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present a model calculation to study the influence of an intrinsic nucleon deformation on the elastic scattering of nucleons. The nucleons are visualized as deformed sources for the exchange of bosons. Both static changes in the derived OBEP and the admixtures of rotational states give rise to only small effects even for large bag deformation, in addition, the two contributions tend to cancel each other.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01420457
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  • 7
    Electronic Resource
    Electronic Resource
    Effects of truncal vagotomy and antrectomy on bombesin-stimulated pancreatic secretion, release of gastrin, and pancreatic polypeptide in the anesthetized dog (1981)
    Springer
    Digestive diseases and sciences 26 (1981), S. 871-877 
    Details
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The short-term effects of truncal vagotomy and antrectomy on bombesin-stimulated pancreatic secretion and release of gastrin and pancreatic polypeptide (PP) were studied in 18 anesthetized dogs. Together with an intravenous infusion of secretin (250 ng/kg/hr) bombesin (500 ng/kg/hr) was given before and after truncal vagotomy, antrectomy, and sham operation (N=6 dogs per group). Peak incremental pancreatic protein output in procedures (tachyphylaxis). Neither truncal vagotomy nor antrectomy significantly altered the pancreatic protein response to bombesin when compared with sham operation. Bombesin produced a mean 1-hr increase over basal of 196 pM for gastrin, which was abolished by antrectomy but not appreciably affected by truncal vagotomy and sham operation. The mean 1-hr increment (207 pM) for PP in response to bombesin was not changed by truncal vagotomy, antrectomy, and sham operation. This study shows in the anesthetized dog that exogenous bombesin stimulates release of PP as well as gastrin; that the release of gastrin by bombesin is not vagally dependent; that neither truncal vagotomy nor antrectomy alter the release of PP by bombesin; and that the action of bombesin on pancreatic protein secretion does not depend on release of gastrin or on intact vagal nerves.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01309489
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  • 8
    Electronic Resource
    Electronic Resource
    Beiträge zur Chemie des Phosphors. 65. Zur Kenntnis der Cyclo-carba-phosphane (PC6H5)4CH2, (PC6H5)4CH2S und (PC6H5)4CH2S2 (1977)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 431 (1977), S. 39-48 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Contributions to the Chemistry of Phosphorus. 65. About the Cyclocarbaphosphanes (PC6H5)4CH2, (PC6H5)4CH2S, and (PC6H5)4CH2S2The reaction of 1,2,3,4-Tetraphenyl-cyclo-5-carba-1,2,3,4-tetraphosphane (PC6H5)4CH2 1 with sulfur in the ratio 4 C6H5P:1 S and 2 C6H5P:1 S respectively yields the Thiocyclo-carba-phosphanes (PC6H5)4CH2S 2 and (PC6H5)4CH2S2 3. The sulfur atoms in 2 and 3 are bonded in exo position to the phosphorus atoms neighbouring the CH2-group, thus indicating the stability of the P4C-ring. 1, 2, and 3 possess an “all-trans” configuration of the phenyl substituents. The 31P and 1H n.m.r. parameters of 1 and 3 are reported and discussed.
    Notes: Bei der Reaktion von 1,2,3,4-Tetraphenyl-cyclo-5-carba-1,2,3,4-tetraphosphan (PC6H5)4CH2 1 mit Schwefel im Verhältnis 4 C6H5P:1 S bzw. 2 C6H5P:1 S entstehen die Thio-cyclo-carba-phosphane (PC6H5)4CH2S 2 bzw. (PC6H5)4CH2S2 3. Die Schwefelatome in 2 und 3 sind exocyclisch an den der CH2-Gruppe benachbarten Phosphoratomen gebunden, was ein Indiz für die Stabilität des P4C-Ringgerüstes ist. Bezüglich der Phenylsubstituenten weisen 1, 2 und 3 „all-trans“-Konfiguration auf. Die 31P- und 1H-NMR-Parameter für 1 und 3 werden mitgeteilt und diskutiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19774310104
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