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  • 1990-1994  (4)
  • 1990  (4)
  • 1
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical endoscopy and other interventional techniques 4 (1990), S. 212-216 
    ISSN: 1432-2218
    Keywords: Fistuloscopy ; Percutaneous endoscopy ; Sealing of gastrointestinal fistulae ; Fibrin sealant
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Endoscopic occlusion of gastrointestinal fistulae can be successfully achieved in a high percentage of patients. In cases where the intestinal opening of the fistula is not accessible, such treatment was hitherto impracticable. Fistuloscopy is a new technique which we have devised, using a flexible endoscope advanced percutaneously along the fistula tract to seal these gastrointestinal fistulae. Eleven out of 17 enterocutaneous fistulae and 5 out of 8 abscesses could be sealed using this technique. The complications in this series were all caused by fibrin glue injection into the fistulae under pressure. One patient died of an air embolism. Provided that elevation of the air pressure in the fistula system is strictly avoided, fistuloscopy is a safe and potent method of occluding gastrointestinal fistulae, which otherwise need prolonged conservative treatment or hazardous surgical intervention.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1619-7089
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 375 (1990), S. 259-265 
    ISSN: 1435-2451
    Keywords: Islets of Langerhans transplantation ; Pig
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Grenzen und Möglichkeiten der Transplantation von Langerhans-Inseln wurden am Schwein erprobt. Nach totaler Pankreatektomie wurden durch intraduktale Kollagenaseandauung zwischen 6mal 104 and 3mal 106 Inseln and inseltragende Fragmente pro Pankreas gewonnen. Nach Injektion des Transplantates in die Milz oder wahlweise in die Leber konnte bei den Tieren ein normoglykämischer Zustand mit normalen intravenösen Glukosetoleranztesten und ein Überleben bis zu 1 Jahr erreicht werden. Apankreatische Kontrollen verstarben im diabetischen Koma 10–12 Tage postoperativ. Eine gute Korrelation zwischen der Anzahl transplantierter Inseln und Normoglykämie nach Transplantation konnte demonstriert werden. Darüber hinaus war die synchrone In-vitro-Stimulation der Inseln mit Glukose und die daraus resultierende Inselsekretion ein wichtiger Indikator für die funktionelle Integrität der Inseln nach der Transplantation. Das Schwein bietet somit auch aufgrund der dem Menschen sehr ähnlichen immunologischen, physiologischen und anatomischen Eigenschaften bezüglich des Pankreas und der Ernährung ein gutes Modell zur weiteren präklinischen Erforschung der Inseltransplantation als Therapie des Diabetes mellitus.
    Notes: Summary Limits and possibilities of the transplantation of islets of Langerhans in pigs were studied. 6 × 104 to 3 × 106 islets and insulin producing fragments per pancreas were obtained by intraductal collagenase digestion of the pancreatic gland following total pancreatectomy. Islets grafted into the spleen or liver rendered normoglycemia to the pancreatectomized animals as demonstrated by normal fasting blood sugars and normal intravenous glucose tolerance tests as compared to not operated animals permitting a survival time of up to one year. Apancreatic controls died of ketoacidosis and diabetic coma 10 to 12 days posttransplant. The number of isolated and transplanted islets correlated well to the normoglycemic state of the animal. Beyond that the in vitro challenge of the islets with glucose and resulting insulin secretion was a very important indicator for the functional status and integrity of the islets after transplantation. Thus the pig appears to be a suitable model for the preclinical studying of islet transplantation especially since immunologic, physiologic and anatomic features of the pig are similar to those in the human regarding pancreas and nutrition.
    Type of Medium: Electronic Resource
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