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  • 1
    Electronic Resource
    Electronic Resource
    Role of alcohol in clinical nephrology (1985)
    Springer
    Journal of molecular medicine 63 (1985), S. 948-958 
    Details
    ISSN: 1432-1440
    Keywords: Alcoholism ; Fetal alcohol syndrome ; Genitourinary tract malformations ; Phosphate and magnesium depletion ; Rhabdomyolysis ; Acute renal failure ; Hypertension ; Alkohol ; Alkoholische Embryopathie ; Urogenitaltraktschädigung ; Phosphatund Magnesiumdepletion ; Rhabdomyolyse ; Akutes Nierenversagen ; Hypertonie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Nephrologisch wichtige Störungen des schwereren Alkoholismus manifestieren sich auf verschiedenen Ebenen. Eine direkte Schädigung der Nieren und abführenden Harnwege ist bislang ausschließlich bei alkoholischer Embryopathie nachgewiesen. Beim Erwachsenen dominieren unspezifische und komplexe Elektrolytstörungen mit Akzentuierung im Alkohol-Entzugssyndrom. Die Niere ist nicht selten primäre Ursache verschiedener Störungen, sie trägt ferner zur — oft inadäquaten — Kompensation extrarenal entstandener Stoffwechselstörungen (z.B. Phosphatmangel, Hypoglykämie) bei. Der alkoholassoziierten Uratretention, hervorgerufen durch Hyperlaktatämie oder Erhöhung derβ-Hydroxybuttersäure, kommt — wegen meist mäßiger Ausprägung — für die Entwicklung einer hyperurikämischen Nephropathie nur geringe Bedeutung zu. Alkoholexzeß (akut oder chronisch) prädisponiert zur Rhabdomyolyse mit konsekutivem Nierenversagen. Möglicherweise ist bei schwerem Alkoholismus und Myopathie die Vulnerabilität der Nieren für andere Noxen gesteigert. Bei der Ratte wird das Glyzerin-induzierte akute Nierenversagen durch Alkoholvorbehandlung verstärkt. Alkohol begünstigt ferner bei Normotonikern und Hypertonikern einen Blutdruckanstieg, der seinerseits das Risiko einer Nierenschädigung erhöht.
    Notes: Summary Different nephrological derangements are observed in severe alcoholics. Until now the direct toxicity of ethanol is only shown in the fetal alcohol syndrome with various malformations of the genitourinary tract. In the adult the kidney is often involved in the development, maintenance and counterregulation of complex electrolyte disturbances like phosphate and potassium hypoglycemia etc. The alcohol associated retention of urate, induced by hyperlactatemia and/or increasedβ-hydroxybutyrate concentration is only rarely complicated by urate nephropathy. Alcohol intoxication (acute and chronic) predisposes to rhabdomyolysis with the risk of acute renal failure. There are some hints that chronic alcoholism with myopathy increases the vulnerability of the kidney for further toxic agents. In rats glycerol induced renal failure is enhanced by alcohol pretreatment. Finally, regular alcohol consumption raises the blood pressure, which per se is a risk factor for renal damage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01738150
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Granulocyte lysosomal factors and plasma elastase in uremia: A potential factor of catabolism (1984)
    Springer
    Journal of molecular medicine 62 (1984), S. 218-224 
    Details
    ISSN: 1432-1440
    Keywords: Granulocyte lysosomal factors ; Elastase ; Acute and chronic uremia ; Catabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In uremic intoxication proteolytic activity in plasma and striated muscle is enhanced. To get further insights into the underlying mechanisms the lysosomal factors of polymorphonuclear (PMN) leukocytes and the plasma elastase-α 1-proteinase inhibitor complex were investigated in patients with acute and chronic renal failure. Lysosomal activity was evaluated in peripheral blood smears by the lysis of erythrocytes and plasma (halo formation) around each neutrophil induced by 0.25 M NaCl borate buffer. In about half of the patients with chronic renal insufficiency on dietary treatment lysosomal activity of PMN leukocytes was reduced. The plasma concentration of elastase-α 1-proteinase inhibitor complex was normal in most subjects, but increased in three patients with the highest serum creatinine levels (〉13 mg/dl). In the patients with acute renal failure (ARF) of various origin (postoperatively, septicemia, pancreatitis, or dye-induced) halo formation was either reduced or absent. The plasma elastase-α 1-proteinase inhibitor complex was increased in 5/6 of the patients by a factor of two to four. Also in the patients on regular hemodialysis treatment halo formation of PMN leukocytes was substantially reduced, whereas the plasma levels of elastase-α 1-proteinase inhibitor complex was slightly increased. The finding of reduced lysosomal activity of PMN neutrophils in uremia may be partly due to an enhanced release of neutral proteinases into the circulation as indicated by the elevated plasma levels of elastase-α 1-proteinase inhibitor complex in some patients. This release might be in part due to the effect of “uremic toxins”. In the patients on hemodialysis treatment the contact of the blood with the dialyzer (cuprophane) membrane might be an additional factor. Moreover, in the patients with acute renal failure the underlying disease (infection, shock, trauma) contributes to the release of proteinases. These disturbances may be harmful to the patient if the blood concentration or function of the most important proteinase inhibitors (α 1-proteinase inhibitor,α 2-macroglobulin) is reduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01721047
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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