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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 42 (1964), S. 154-156 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 40 (1962), S. 921-928 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 44 (1966), S. 289-298 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary In 141 patients with various chronic nephropathies and impairment of renal function their urinary concentrating capacity was analysed quantitatively using osmotic diuresis with 10% mannitol. In the majority of cases a decrease of the concentrating capacity of the medullary countercurrent systems (phase I of the urinary concentration) was found as the cause of the observed hypo-or isosthenuria. Very pronounced in relation to the glomerular filtration rate was the concentrating defect ( $$Tm_{H_2 O}^c$$ /100 ml GFR) in patients with predominantly interstitial nephropathies, less in patients with vascular nephropathies and the least in patients with glomerular diseases of the kidney. Patients with renal hypertension showed no evidence of a “pressure diuresis” as a cause of diminished concentrating capacity. — 25% of the patients — mainly with pyelonephritis or malignant sclerosis — showed a hypotonic diuresis increment during osmotic diuresis which may be regarded as a decreased response of the distal nephron to ADH (impairment of the phase II of the urinary concentration). Between maximal specific gravity of the urine after a thirst period and $$Tm_{H_2 O}^c$$ /c during osmotic diuresis there was a statistically significant correlation (r=0,60). However, in borderline cases with only discrete defects of renal concentrating capacity determination of the maximal specific gravity of the urine did not suffice for complete evaluation. — Finally, our results are discussed in terms of their pathophysiological significance.
    Notes: Zusammenfassung Bei 141 Patienten mit chronischen Nephropathien und Nierenfunktionsstörungen wurde das renale Konzentrationsvermögen mittels osmotischer Diurese quantitativ analysiert. In der Mehrzahl der Fälle fand sich als Ursache einer Hypooder Isosthenurie eine Herabsetzung in der konzentrativen Kapazität der medullären Gegenstromsysteme (Phase I der Harnkonzentrierung). Besonders stark war der Konzentrierdefekt, relativ zum Glomerulusfiltrat, bei den überwiegend interstitiellen, weniger bei den vasculären und am geringsten bei den primär glomerulären Nephropathien ausgeprägt. Die Patienten mit renalem Hochdruck boten keinen Hinweis auf das Vorliegen einer „Druckdiurese“ als Ursache eingeschränkter Konzentrationsleistung. — 25% der untersuchten Patienten wiesen eine partielle ADH-Refraktärität des distalen Nephrons (Phase II der Harnkonzentrierung) mit hypotonem Diuresezuwachs während osmotischer Diurese auf. Pyelonephritische Krankheitsbilder und maligne Sklerose standen hierbei ätiologisch im Vordergrund. — Zwischen maximalem spezifischem Harngewicht im Durstversuch und osmotischer Diurese bestand zwar eine statistisch signifikante Korrelation (r=0,60), doch erwies sich vor allem in den Grenzfällen mit diskreter Einschränkung der Konzentrationsleistung das maximale spezifische Harngewicht als ungeeignet zu ihrer Erfassung. — Die pathophysiologische Bedeutung dieser Befunde wurde abschließend diskutiert.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 47 (1969), S. 733-742 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary 209 patients, diagnosed to have glomerulonephritis (G. N.) on the basis of needle-biopsy-studies and clinical signs, were investigated. We tried to elucidate if the morphological classification of G. N. as introduced byBohle and coworkers was in accord with distinct clinical patterns. It was found, that histological classification does not allow reliable conclusions as to clinical symptoms and prognosis for a given case, although coarse correlations were found by grouping the patients with identical histologic diagnosis. On 88 patients follow up studies (mean 3 years) were possible. The average prognosis of a group with a distinct morphological pattern was different from other groups, although great individual variations were observed within these groups. Patients with a so called acute membranous G. N. (minimal changes) and postacute proliferative G. N. with little changes showed no significant deterioration of kidney function during the follow-up period. Patients with proliferative changes very rarely had clinical remissions. With pronounced proliferative defects a rapid progression accompagnied by renal insufficiency must be expected. Cases with sklerotizing chronic glomerular defects have also a poor prognosis with a life expectancy of less than 1 year. Slowly progressing renal impairment is also the rule with the perimembranous form. Continued efforts towards a differential therapy are indicated according to our present experience. However, final conclusions, which necessitate several years of follow-up-studies, may as yet not be drawn.
    Notes: Zusammenfassung Aufgrund der aus Biopsiebefunden gewonnenen histologischen Gruppierung von Glomerulonephritiden vonBohle u. Mitarb. wird ein Kollektiv von 209 Patienten daraufhin untersucht, ob dieser morphologischen Einteilung klinisch unterscheidbare Erkrankungsformen entsprechen. Dies ist mit für den Einzelfall ausreichender Sicherheit nicht zu bejahen. 88 Patienten wurden im Mittel 3 Jahre beobachtet. Dabei ergibt sich für die einzelnen Glomerulonephritisformen — bei großer Variation in den Gruppen — ein unterschiedliches Verhalten. Günstig, mit praktisch unveränderter Nierenfunktion im Beobachtungszeitraum, ist die Prognose bei der akutmembranösen und der postakuten proliferativen Glomerulonephritis mit geringgradigen Veränderungen. Rückbildungen der klinischen Symptomatik sind beim Auftreten proliferativer Veränderungen aber selten. Schwerwiegendere proliferative Defekte lassen eine rasche Progredienz mit Einschränkung des Glomerulumfiltrates erwarten; beim Nachweis chronischsklerosierender Glomerulumdefekte ist die Prognose schon innerhalb des ersten Jahres ungünstig. Die perimembranöse Glomerulonephritis zeigt im Beobachtungszeitraum ebenfalls in der Regel eine progrediente Einschränkung des Glomerulumfiltrates. Der Versuch einer Differentialtherapie der einzelnen Glomerulonephritisformen ist aufgrund der bisherigen Erfahrungen angezeigt. Endgültige Aussagen über Behandlungsergebnisse, die eine Beobachtung über viele Jahre erfordern, lassen sich bisher noch nicht sicher ableiten.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 54 (1976), S. 145-147 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 41 (1963), S. 366-371 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Using the European toad Bufo bufo for a biological assay the plasma level of ADH was determined in four healthy individuals and in four patients with cirrhosis of the liver after intravenous injection of 2,5–4 units of ADH. The gradient of decrease of the ADH plasma level was steep during the first 3–4 minutes following the injection, thereafter it was exponential. This shows that there is an initial diffusion of the exogenous ADH out of the blood into tissue fluid. The calculated volume of distribution was in the range of the extracellular volume. There was a more rapid and statistically significant elimination of exogenous ADH from the blood in patients with cirrhosis of the liver than in persons with intact liver function. Possible causes of these differences are discussed. A delayed inactivation of ADH by the liver and thus a prolonged duration of action of exogenous ADH in liver cirrhosis can be excluded.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 44 (1966), S. 729-730 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 44 (1966), S. 1385-1389 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary It is reported on a 27 years old female patient with a rare kidney malformation (polycystic kidney, left side, and aglomerular kidney, right side). A chronic relapsing glomerulonephritis resulted in terminal renal insufficiency. By a chronic dialysing program the full rehabilitation could be obtained during nearly 2 years. The unusually accellerated development of a malignant hypertension with the clinical symptoms of an acute glomerulonephritis required the bilateral nephrectomy. Gastro-intestinal bleeding occurring a few days later necessitated a gastrectomy. The patient died of postoperative complications.
    Notes: Zusammenfassung Es wird über eine 27jährige Patientin berichtet, bei der eine seltene Nierenmißbildung (Cystenniere links und aglomeruläre Niere rechts) vorliegt und eine chronisch rezidivierende Glomerulonephritis zur terminalen Niereninsuffizienz führt. Durch Dauerdialysebehandlung kann fast 2 Jahre lang eine volle Rehabilitation erreicht werden. Die ungewöhnlich foudroyante Entwicklung eines malignen Hypertonus unter den klinischen Symptomen einer perakuten Glomerulonephritis erfordert die bilaterale Nephrektomie. Wenige Tage später auftretende gastrointestinale Blutungen machen eine Teilresektion des Magens unumgänglich. An postoperativen Komplikationen kommt die Patientin ad exitum.
    Type of Medium: Electronic Resource
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