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  • 1
    Electronic Resource
    Electronic Resource
    Quantitative Bestimmung des duodenogastrischen Refluxes bei verschiedenen Magenresektionsverfahren (1981)
    Springer
    Langenbeck's archives of surgery 354 (1981), S. 273-279 
    Details
    ISSN: 1435-2451
    Keywords: Duodenogastric reflux ; Quantification ; Gastric resection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Der duoenogastrische Reflux wurde quantitativ bei den klassischen Magenresektionsverfahren (Billroth II — mit und ohne Enteroanastomose, Billroth I), sowie bei Magengesunden bestimmt. Insgesamt wurden 43 Magenresezierte und 6 Magengesunde untersucht. Die B II-Resezierten ohne Braunsche Enteroanastomose (n = 10) wiesen einen Reflux von 50,4 ± 4,1 % (SEM) der während der Untersuchung sezernierten Gallenmenge auf. Bei den B II-Resezierten mit Braunscher Enteroanastomose (n = 15) betrug der Reflux 21,5 ± 3,7 % (SEM), bei den B I-Resezierten (n =17) 23,1 ± 3,5 (SEM). Die magengesunden Kontrollpersonen (n = 6) wiesen einen Reflux von 0,5 ± 0,4% (SEM) auf.
    Notes: Summary The duodenogastric reflux was measured quantitatively in patients with classic gastric resections (Billroth I, Billroth II with and without enteroanastomosis) as well as in patients without gastric operations. A total of 43 patients with gastric resection and 6 without gastric operation were studied. Patients operated according to B II without Braun's enteroanastomosis (n = 10) had a bile reflux of 50.4 ± 4.1 % (SEM) during the study. Patients having been operated according to B II- with Braun's-enteroanastomosis (n = 15) and those having undergone B I-operation (n = 17) had a duodenogastric reflux of 21.5 ± 3.7 % (SEM) and 23.1 ± 3.5 % (SEM), respectively. In 6 control subjects without gastric operation bile reflux into the stomach averaged 0.5 ± 0.4 % (SEM).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01271337
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    175. Postoperatives Beschwerdebild nach Dünndarmresektionen (1981)
    Springer
    Langenbeck's archives of surgery 355 (1981), S. 549-549 
    Details
    ISSN: 1435-2451
    Keywords: Resection of the ileum ; Postoperative symptomes ; Ileumresektion ; Postoperatives Beschwerdebild
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Zur Erfassung des klinischen Beschwerdebildes dünndarmresezierter Patienten wurden von 197 Patienten mit isolierter Dünndarmresektion aus den Jahren 1958-1978 der Chirurgischen Universitäts Klinik Bonn 68 Patienten befragt und die Ergebnisse ausgewertet. Von diesen wurde bei 14 Patienten weniger als 30 cm Ileum reseziert, bei 21 Patienten 30- 80 cm, bei 19 Patienten 80-150 cm und bei 9 Patienten mehr als 150 cm. Bei 5 Patienten wurden 80 cm Jejunum reseziert. 53 (77,9%) der befragten Patienten gaben z. Z. der Entlassung Durchfälle an. Bei 16 Patienten (23,5%) trat postoperativ keine Besserung ein, bei 26 Patiente (38,2%) dauerte die Adaptation 3 Monate bis zu 1 Jahr. Zwischen Resektatlänge und Stuhlfrequenz sowie allgemeinem Beschwerdebild fand sich bei fast allen Gruppen eine Korrelation.
    Notes: Summary To document the clinical symptoms after partial resection of the small intestine 68 patients of a total of 197 patients operated during the period of 1958-1978, Department of Surgery, University of Bonn, were evaluated for their postoperative symptoms. Of the 68 patients 14 had a resection of less than 30 cm of the ileum, 21 patients of 30–80cm, and 9 more than 150cm. Five patients had undergone a resection of 80 cm of jejunum. Of these patients 53 (78%) had diarrhea at the time of discharge from the hospital. A normalisation of the bowel movement appeared after 3 to 12 months in 26 patients (38%),16 patients (24%) experienced no improvement at all. A correlation between the length of intestinal resection and requency of bowel movements as well as general symptoms was found in all groups of patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01287005
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    NMR study of rubber crosslinking in model networks (1981)
    Springer
    Colloid & polymer science 259 (1981), S. 990-994 
    Details
    ISSN: 1435-1536
    Keywords: NMR ; proton spin-spin relaxation ; styrene-butadienestyrene block copolymer ; rubber crosslink density
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Zur quantitativen Erfassung der Vernetzung eines Kautschuks ist es wünschenswert, die Vernetzungsdichte des Netzwerks zu bestimmen. Styrol-Butadien-Styrol Blockcopolymere können als Modellnetzwerke für einen Kautschuk mit einheitlichen Netzbogenlängen angesehen werden. Für die Modellnetzwerke wird die Beziehung zwischen der Protonen Spin-Spin-Relaxationszeit und der Vernetzungsdichte bestimmt. Unterhalb eines kritischen Molekulargewichts (M c = 40 000) des Kautschuks, das der Bildung von Verschlaufungen entspricht, ist die Spin-Spin-Relaxationszeit proportional zur Netzbogenlänge; oberhalb des kritischen Wertes ist sie nahezu unabhängig vom Molekulargewicht des Kautschuks.
    Notes: Summary For a quantitative description of rubber crosslinking it is desirable to determine the crosslink density of the network. Styrene-butadiene-styrene block copolymers can be regarded as model networks for a rubber with uniform chain lengths between the crosslinks. For these model networks the relation between the proton spin-spin relaxation time and the crosslink density is determined. Below a critical value for the molecular weight of the rubber segment (M c = 40 000) which corresponds to the formation of entanglements, the relaxation time is proportional to the crosslink spacing. Above the critical value the relaxation time is almost independent of the molecular weight of the rubber.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01558612
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Capping of conconavalin a receptors on lymphocytes of aged individuals and patients with Down’s syndrome: Enhancing effect of colchicine; possible relation to microtubular system (1981)
    Springer
    Age 4 (1981), S. 5-8 
    Details
    ISSN: 1574-4647
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The redistribution of conconavalin A (Con A) receptors on peripheral blood mononuclear cells was studied in young adult patients with Down’s syndrome (DS), and young-adult controls and aged normal volunteers. DS was included in the study as it shows many features of accelerated aging. The percentage of Con A capping was markedly lower in DS patients and aged individuals than in young-adult controls. Colchicine displayed a significant enhancing effect on Con A capping in DS patients and aged individuals, but a moderate inhibitory effect on Con A capping in the young adults. The enhancing effect in DS patients and aged volunteers suggests the possibility that an excess of polymerized tubulin (microtubules) may occur in lymphocytes during normal or accelerated aging.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02432276
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    Paper (German National Licenses)
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