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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 376 (1991), S. 222-227 
    ISSN: 1435-2451
    Keywords: Partial gastrectomy ; B–I partial gastrectomy ; Roux-en-Y partial gastrectomy ; Gastric emptying
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei Hausschweinen wurden 2/3-Magenresektionen mit erhaltener sowie ausgeschalteter Duodenalpassage durchgeführt, die Magenentleerung szintigraphisch über 4 h gemessen und einer Vergleichsgruppe nichtresezierter Tiere gegenübergestellt. Für die halbfeste, mit 99mTc markierte Testmahlzeit fanden sich experimentell keine Hinweise für eine verzögerte Magenentleerung nach Ausschaltung der Duodenalpassage durch Roux-Rekonstruktion. B-I- and B-II-Roux-Resektion differierten in der Magenentleerung nicht. Die Längenänderung der bei der Roux-Rekonstruktion verwendeten Jejunumschlinge von 40 auf 20 cm hatte keinen Einfluß auf die Magenentleerung. Die Roux-Rekonstruktion mit trunkulärer Vagotomie führte — bei jedoch großer individueller Streubreite — im Vergleich zur B–I-Resektion zu einer Beschleunigung der Magenentleerung. Die mittlere Restaktivität im Magen betrug nach 240 min für die Kontrollgruppe (n=5) 47,8%, nach B–I-Resektion (n=5) 78,9%, nach Roux-Rekonstruktion mit 40 cm-Schlinge (n=5) 59,0%, nach Roux-Rekonstruktion mit 20 cm-Schlinge (n = 5) 38,1 % and nach Roux-Resektion mit trunkularer Vagotomie (n=4) 20,9%.
    Notes: Summary On domestic pigs 2/3 gastrectomies with retention and elimination of the duodenal passage were carried out. Postprandial gastric emptying was measured scintigraphically for 4 h and compared with a control group (laparotomy only). For the semi-solid, 99mTc-labeled test meal delayed gastric emptying after elimination of the duodenal passage by Roux reconstruction could not be shown. There was no difference in gastric emptying between B-I and Roux-en-Y partial gastrectomy. Also alteration of the length of the jejunum loop from 40 to 20 cm after Roux-en-Y reconstruction had no influence on gastric emptying. Roux reconstruction (40 cm loop) in combination with truncal vagotomy led to a non-uniform gastric emptying, but there was a statistically proven acceleration compared with B-I resection. After 240 min the mean residual intragastric activity of the control group (n=5) was 47.8%, 78.9% after B–I resection (n=5), 59% after Roux reconstruction with 40 cm jejunal loop (n=5), 38.1% after Roux reconstruction with 20 cm jejunal loop (n=5) and 20.9% after Roux-en-Y (40 cm loop) with truncal vagotomy (n = 4).
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1437-9813
    Keywords: Biliary atresia ; Neonatal hepatitis ; Cholestatic syndrome ; Ultrasound examination ; Cholescintigraphy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Thirty-three neonates and infants with cholestatic syndromes of various etiologies were evaluated by cholescintigraphy and ultrasound examinations. The results of these two diagnostic procedures were compared with the final diagnosis as confirmed by liver biopsy and/or laparotomy and the clinica follow-up of the infants. Fourteen patients had an obstructive cholangiopathy (11 biliary atresia, 2 choledochal cysts, 1 congenital choledochal stenosis), 13 had neonatal hepatitis, and 6 had cholestasis of another etiology. Typical ultrasonic and/or scintigraphic findings confirmed or excluded the need for surgical exploration in 28 patients. Thus, for must infants with cholestatic syndromes it is possible to differentiate the cause without invasive diagnostic techniques such as liver biopsy or exploratory laparotomy.
    Type of Medium: Electronic Resource
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