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  • 2000-2004  (3)
  • ATO  (1)
  • Alzheimer’s disease  (1)
  • Aortenisthmusstenose  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Vascular risk factors in dementia (2000)
    Springer
    Journal of neurology 247 (2000), S. 81-87 
    Details
    ISSN: 1432-1459
    Keywords: Key words Dementia ; Vascular ¶dementia ; Alzheimer’s disease ; Risk factors, stroke ; Genetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This review describes differing profiles of vascular risk factors in different types of dementia. Although vascular risk factors are related to various types of strokes, their independent effect on the occurrence of poststroke dementia appears to be small. Various risk factors have been identified for microangiopathy-related cerebral abnormalities, such as white matter changes and lacunae, which are the core lesions for the development of a vascular dementia syndrome without stroke symptoms. Most consistently, arterial hypertension and diabetes mellitus have been found to be associated with such brain abnormalities. Diastolic blood pressure seems to be of particular importance as recent investigations demonstrate that this factor is related to the course of multiple lacunar strokes and the progression of white matter disease. Epidemiological studies report that various vascular risk factors including arterial hypertension, diabetes mellitus, and atrial fibrillation may also be associated with Alzheimer’s disease. There is also evidence of a direct relationship between Alzheimer’s disease and general atherosclerosis. Further investigations are needed to determine whether these associations are due to the weakness of diagnostic criteria, or whether vascular risk factors indeed modulate the clinical expression of primary degenerative dementia. Common susceptibility genes leading to shared risk factors may be one of the reasons for a higher coincidence of Alzheimer’s disease and vascular dementia than can be expected by chance. A modulatory effect of vascular risk factors in the development of primary degenerative dementia may extend treatment options.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004150050021
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Wet Chemical Deposition of Crystalline, Redispersable ATO and ITO Nanoparticles (2000)
    Springer
    Journal of sol gel science and technology 19 (2000), S. 201-204 
    Details
    ISSN: 1573-4846
    Keywords: ATO ; ITO ; redispersed particles ; transparent conductive coatings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A new wet chemical concept to produce coatings by dip, spin or spray processes is presented. It is based on the preparation of solutions made of crystalline nanoparticles fully redispersable in a solvent. It is exemplified for the preparation of SnO2 : Sb (ATO) and In2O3 : Sn (ITO) transparent conducting coatings. The process combines the advantages of using particles having already a low resistivity and the possibility to sinter the coatings at low temperature. The particles are prepared using an in-situ monitoring of the surface energy to control the growth of the particles and to avoid their agglomeration. The dried powders can be fully redispersed in alcohol (ITO) or water (ATO). Single layers with thickness up to 200 nm (ATO) and 400 nm (ITO) have been fabricated. The sheet resistance of the coatings decreases with the sintering temperature. Typical values are 430 Ω□ for ATO (550°C) and 380 Ω□ for ITO (550°C). Sols made by redispersing the powders in organosilanes allow to produce coatings at low temperature with antistatic (R □ 〉 100 kΩ□) and anti-glare properties (R □ 〉 100 kΩ□, 60 to 80 gloss units).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008728103512
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Aortenisthmusstenose mit offenem Ductus Botalli als Ursache einer schweren Herzinsuffizienz bei einer 36-jährigen Patientin –Fallbericht über eine erfolgreiche operative Behandlung (2000)
    Springer
    Zeitschrift für Kardiologie 89 (2000), S. 958-961 
    Details
    ISSN: 1435-1285
    Keywords: Key words Coarctation of the aorta ; patent ductus arteriosus ; ventricular function ; heart failure ; surgical repair ; Schlüsselwörter ; Aortenisthmusstenose ; offener Ductus Botalli ; Ventrikelfunktion ; Herzinsuffizienz ; operative Korrektur
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Wir beschreiben den Krankheitsverlauf einer 36-jährigen Frau mit unbehandelter Aortenisthmusstenose und offenem Ductus Botalli, die aufgrund einer ausgeprägten linksventrikulären Dysfunktion eine therapierefraktäre Herzinsuffizienz entwickelte. Nach operativer Korrektur der Aortenisthmusstenose und Ductusresektion normalisierte sich die linksventrikuläre Pumpfunktion, sodass davon ausgegangen werden kann, dass auch schwere linksventrikuläre Dysfunktionen auf dem Boden langjähriger Druck- und Volumenbelastung durch angeborene Herzfehler nach operativer Korrektur reversibel sein können.
    Notes: Summary We report on the history of a 36-year-old woman with untreated coarctation of the aorta and patent ductus arteriosus who developed refractory heart failure due to severely impaired left ventricular function. After coarctation repair and duct resection, left ventricular function improved to normal. Even in the presence of longstanding left ventricular pressure and volume overload, subsequent severe myocardial failure may be reversible by surgical repair.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003920070170
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    Paper (German National Licenses)
    Fulltext
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