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  • 1975-1979  (2)
  • Kidney Proximal Tubule  (1)
  • esophageal varices  (1)
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  • 1975-1979  (2)
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Keywords
  • 1
    ISSN: 1436-2813
    Keywords: Selective shunt ; esophageal varices ; portal hypertension ; cirrhosis of the liver
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The selective coronary-caval shunt is considered to be one of the better procedures in the surgical treatment of portal hypertension. We have altered the previously described technique by using an internal jugular vein grafting which possesses some advantages. We have performed this shunt utilizing an internal jugular vein autograft in eight patients, who had at least one major hemorrhage from esophageal varices three to twelve months before operation. There were no postoperative deaths. All four patients are still alive three months to six years after shunting without bleeding episodes. In the X-ray and endoscopic studies the esophagogastric varices were noted to be markedly smaller in size than they were before shunting.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2013
    Keywords: Paracellular Shunt Pathway ; Tight Junction ; Lanthanum lons ; Kidney Proximal Tubule ; Perfused Toad Kidney
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We have evaluated with the aid of electron microscopy changes in the width of the paracellular pathway and in the magnitude of the paracellular passage of lanthanum ions when a transtubular osmotic gradient was established by making the tubular lumen hyperosmotic with 50 mM urea or mannitol. Both transtubular gradients (with urea or mannitol) induce changes in the ultrastructure of the tight junction. The changes are characterized by widening of the tight junction and the “disappearance” of the substance forming the intermediate line. Urea has a larger effect than mannitol. The magnitude of lanthanum crossing extracellularly through the tubular epithelium also increases under the urea induced transtubular gradient.
    Type of Medium: Electronic Resource
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