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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 361 (1983), S. 255-261 
    ISSN: 1435-2451
    Keywords: Operative risk ; Surgery in the elderly ; Preoperative therapy ; Classification of operative risk ; Alterschirurgie ; Checkliste zur Risikoeinschätzung ; Operationsvorbereitung ; Präoperative Intensivtherapie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Computer-Analyse von 1782 Krankengeschichten von Patienten mit großen Abdominaloperationen im Alter über 70 (Letalität 21 %) ermittelt folgende Risikofaktoren: Hb 〈 10 g %, Kreatinin 〉 1,5 mg %, Ges.EW 〈 6 g %, Kalium 〈 3,5 mmol/l. Die präoperativen Befunde korrelieren mit postoperativen Komplikationen und Letalität. Durch präoperative Intensivtherapie: Ausgleich von Defiziten, hypercalorische Infusionstherapie, intensives Atemtraining kann bei Z/s aller Patienten das Operationsrisiko gesenkt werden. Eine Checkliste zur Risikoeinschätzung in der Alterschirurgie ermöglicht die präoperative Beurteilung des Operationsrisikos.
    Notes: Summary 15 percent of the surgical patients today are 70 years of age and older (lethality 21 %). A computer analysis of 1,782 surgical case histories has shown that not the age itself, but the high comorbidity is the essential factor of perioperative risk: Hemoglobine 〈 10 g %, creatinine 〉 1.5 mg %, serumproteines 〈 6 g %, potassium 〈 3.5 mmol/1. The intensive care in the elderly patient has to be started preoperatively as a preparatory treatment: metabolic deficiencies have to be compensated, hypercaloric infusion therapy and intensive breathing exercises are necessary. A scale of the operative risks in the elderly is proposed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 3 (1870), S. 408-412 
    ISSN: 0365-9496
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 323 (1963), S. 228-238 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: By reaction of SiCl4, RSiCl3, R2SiCl2 or R3SiCl with oxalic acid in solution of ether and benzene, respectively, substances of the definite compositions are prepared. The characteristics of them are described and the structure of the crystalline high-polymeric solids is discussed.
    Notes: Durch Umsetzung von SiCl4, RSiCl3, R2SiCl2 oder R3SiCl mit Oxalsäure in Äther- bzw. Benzol-Lösung werden Substanzen der definierten Zusammensetzung dargestellt. Ihre Eigenschaften werden beschrieben und die Struktur der kristallisierten hochpolymeren Festkörper wird diskutiert.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 352 (1967), S. 45-52 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: By reaction of triorgano-chloro-silanes, (X—C6H4)3SiCl (X = H, CH3, F, Cl, Br), with oxalic acid we succeeded in preparing the bis(triorganosilyl)-oxalates (X—C6H4)3Si—C2O4—Si(C6H4—X)3 with X = H, CH3, Br. Their thermal stabilities were investigated and correlated to the effects of substituents.
    Notes: Durch Umsetzung von Triorgano-chlor-silanen (X—C6H4)3SiCl (X = H, CH3, F, Cl, Br) mit Oxalsäure gelang es, folgende Bis(triorgano-silyl)-oxalate (X—C6H4)3Si—C2O4—Si(C6H4—X)3 (X = H, CH3, Br) darzustellen. Ihre thermische Stabilität wurde untersucht und in Beziehung zu den Substituenten-Einflüssen gebracht.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 352 (1967), S. 36-44 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: By reaction of SiCl4, CH3SiCl3 and C6H5SiCl3 with oxalie acid in solution of some ethers ((C2H5)2O, C4H8O2, C4H8O) substances of the compositions listed in “Inhaltsübersicht” are prepared.The interrelations between these different types of structure and their dependence on the nature of the participating ether are investigated.
    Notes: Durch Umsetzung von SiCl4, CH3SiCl3 und C6H5SiCl3 mit Oxalsäure in verschiedenen äthern ((C2H5)2O, C4H8O2, C4H8O) werden Produkte folgender Zusammensetzung dargestellt: \documentclass{article}\pagestyle{empty}\begin{document}$$ \begin{array}{*{20}c} {[{\rm Si}({\rm C}_2 {\rm O}_4 {\rm H})_2 ({\rm C}_2 {\rm O}_4) \cdot 2\,\mathop {\rm A}\limits^{..}]_{\rm n}} \hfill & {(\mathop {\rm A}\limits^{..} = \mathop {\rm A}\limits^{..}\rm ther)} \hfill \\ {[{\rm RSi}({\rm C}_2 {\rm O}_4 {\rm H})({\rm C}_2 {\rm O}_4) \cdot \mathop {\rm A}\limits^{..}]_{\rm n}} \hfill & {} \hfill \\ {[{\rm Si}({\rm C}_2 {\rm O}_4)_2 \cdot 2\,\mathop {\rm A}\limits^{..}]_{\rm n}.} \hfill & {} \hfill \\\end{array} $$\end{document}Die Beziehungen der unterschiedlichen Strukturtypen und ihre Abhängigkeit von der Art des beteiligten äthers werden untersucht.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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