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  • 1
    Electronic Resource
    Electronic Resource
    A transparent over-tube for endoscopic injection sclerotherapy and results in patients with esophageal varices (1987)
    Springer
    Surgery today 17 (1987), S. 256-262 
    Details
    ISSN: 1436-2813
    Keywords: injection sclerotherapy ; esophageal varices ; doublelumened over-tube
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This report describes our data regarding repeated injection sclerotherapy using a newly designed over-tube. We treated 17 consecutive patients with esophageal varices, (3 acute, 6 elective and 8 prophylactic). An intravariceal injection of 5 per cent ethanolamine oleate was administered, using a newly designed transparent over-tube containing a second lumen for a flexible injection needle. This over-tube provides an easier, safer, shorter-in-time method of sclerosing esophageal varices. One of the 17 patients died as a result of liver failure associated with advanced cirrhosis and a concomitant hepatoma. Eradication of esophageal varices was attained in the remaining 16 patients, after an average of 5.0 injections over an average period of 5.8 weeks (range: 3–7 injections during 3–11 weeks). No complications, such as esophageal perforation or aspiration pneumonia were encountered. Recurrent variceal bleeding has not occurred during the 9 months follow-up.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02470697
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Esophageal transection may well be the approach of choice for patients with portal venous obstruction and esophageal varices (1989)
    Springer
    Surgery today 19 (1989), S. 418-423 
    Details
    ISSN: 1436-2813
    Keywords: extrahepatic portal venous obstruction ; esophageal varices ; shunts ; direct interruption
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Thirty patients with esophageal varices, portal venous obstruction and a histologically proven normal liver underwent either one of 2 different types of surgery. Shunt surgery was performed on 20 patients: 9 had a mesocaval shunt, 3, a splenorenal shunt, 4, a left gastric venacaval shunt, and 4, a distal splenorenal shunt. Conversely, direct interruption was performed on the other 10 patients: 6 underwent an esophageal transection, and 4 underwent a resection of the proximal stomach. Re-hemorrhage occurred in 7 of the former 20 patients but not in any of the 10 on whom the direct interruption method was used. In 6 of these 7 patients who experienced rebleeding, subsequent direct interruption surgery led to control of the bleeding. One patient died of a variceal hemorrhage one month postoperatively. The total 10 year cumulative survival rate was 86.3 per cent. In the light of these findings, we believe that methods of direct interruption, such as esophageal transection, may well be the approach of choice for patients with esophageal varices caused by extrahepatic portal venous obstruction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02471622
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The computer modeling of multicomponent, semibatch emulsion copolymerization (1987)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 27 (1987), S. 470-482 
    Details
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A computer modeling concept was developed to deal with multicomponent emulsion copolymerization systems. Based on the model, a simulating program called NSBEC (n-component, semibatch emulsion copolymerization) was prepared., NSBEC is capable of carrying out a variety of operations involving any number of monomers with different modes of ingredient feed. In this paper, first the basic concept of the model is explained, then several applications to the actual experimental systems (e.g., acrylonitrile-vinylidene chloride, vinyl acetate-butyl acrylate, and methyl methacrylate-butyl acrylate) are discussed. Finally, the probable control of copolymer composition by means of the semibatch operation based on NSBEC is proposed. The authors expect that use of NSBEC can substantially reduce the number of experimental runs previously required to describe the system.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760270613
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    Paper (German National Licenses)
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