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  1. Book ; Conference proceedings: Festschrift for Jacob Lemann, Jr

    Lemann, Jacob / Cohen, Eric P.

    [scientific symposium ... on April 16, 1994 in Milwaukee]

    (Journal of the American Society of Nephrology ; 5, Suppl. 1)

    1994  

    Author's details guest ed. Eric P. Cohen
    Series title Journal of the American Society of Nephrology ; 5, Suppl. 1
    Collection
    Keywords Acid-Base Imbalance / congresses ; Kidney Diseases / congresses
    Language English
    Size S75 S. : Ill., graph. Darst.
    Publisher Williams & Wilkins
    Publishing place Baltimore, MD
    Publishing country United States
    Document type Book ; Conference proceedings
    HBZ-ID HT006517337
    Database Catalogue ZB MED Medicine, Health

    Kategorien

    In stock of ZB MED Cologne/Königswinter

    Shelf markLoan statusLocation
    Zs A 3344 -5,Suppl.1- verfügbar in Königswinter Königswinter

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  2. Article: Relationship between Urinary Calcium and Net Acid Excretion as Determined by Dietary Protein and Potassium: A Review

    Lemann Jr., Jacob

    Nephron

    1998  Volume 81, Issue 1, Page(s) 18–25

    Abstract: Increasing urinary net acid (titratable acid + NH4 – HCO3) excretion is accompanied by an increased urinary Ca excretion because of reduced renal tubular reabsorption of filtered Ca. The relationships between urinary Ca excretion rates and urinary net ... ...

    Institution Nephrology Section, Tulane University School of Medicine, New Orleans, La., USA
    Abstract Increasing urinary net acid (titratable acid + NH4 – HCO3) excretion is accompanied by an increased urinary Ca excretion because of reduced renal tubular reabsorption of filtered Ca. The relationships between urinary Ca excretion rates and urinary net acid excretion rates are reviewed for data: (1) among healthy adults eating constant diets when net acid excretion is increased by increasing dietary protein, administering NH4Cl, or withdrawal of dietary KHCO3 or reduced by administering KHCO3; (2) among healthy adults eating constant diets providing varying amounts of protein and potassium, and (3) among healthy adults and Ca stone formers with and without idiopathic hypercalciuria eating ad libitum. The results show that urinary Ca excretion varies directly with net acid excretion by 0.035 mmol/mEq. The urinary net acid excretion increases by 0.10–0.15 mEq/mmol urinary urea, and urinary Ca increases by about 0.04 mmol/g dietary protein, while the urinary net acid excretion decreases as the ratio of urinary K/urea, a reflection of the dietary K relative to dietary protein, increases. The relationships between net acid excretion and both urinary urea and K/urea are similar among Ca stone formers without and with idiopathic hypercalciuria, but those with idiopathic hypercalciuria exhibit increased rates of urinary Ca excretion at all levels of net acid excretion.
    Keywords Dietary potassium ; Dietary protein ; Net acid excretion ; Urinary calcium
    Language English
    Publishing date 1998-12-24
    Publisher S. Karger AG
    Publishing place Basel, Switzerland
    Document type Article
    Note Paper
    ZDB-ID 207121-6
    ISBN 978-3-8055-6818-0 ; 978-3-318-00390-1 ; 3-8055-6818-5 ; 3-318-00390-5
    ISSN 2235-3186 ; 1423-0186 ; 1660-8151 ; 0028-2766
    ISSN (online) 2235-3186 ; 1423-0186
    ISSN 1660-8151 ; 0028-2766
    DOI 10.1159/000046294
    Database Karger publisher's database

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 169: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  3. Article: Urinary calcium excretion in human beings

    Lemann, Jacob Jr / Adams, Nancy D / Gray, Richard W

    New England journal of medicine Sept 6, 1979. v. 301 (10)

    1979  

    Abstract: Abstract: Urinary calcium concentration appears to be an important determinant of crystalluria. Urinary calcium excretion reflects the relation between rates of glomerular filtration and tubular reabsorption and, ultimately, the net rate of intestinal ... ...

    Abstract Abstract: Urinary calcium concentration appears to be an important determinant of crystalluria. Urinary calcium excretion reflects the relation between rates of glomerular filtration and tubular reabsorption and, ultimately, the net rate of intestinal calcium absorption or bone resorption. Changes in dietary calcium alter urinary calcium excretion and cause hypercalciuria and hypercalcemia even in normal subjects. Reduced intestinal absorption of calcium contributes to a decline in urinary excretion. Diuretics reduce urinary excretion of calcium by enhancing distal-renal-tubular reabsorption, and are useful in the treatment of calcium nephrolithiasis. The effect of calcium, sodium and dietary phosphate intake levels on urinary calcium excretion has not been precisely quantified.
    Keywords calcium ; hypercalcemia ; nephritis
    Language English
    Dates of publication 1979-0906
    Size p. 535-540., ill., chart.
    Document type Article
    Note Literature review.
    ZDB-ID 207154-x
    ISSN 1533-4406 ; 0028-4793
    ISSN (online) 1533-4406
    ISSN 0028-4793
    Database NAL-Catalogue (AGRICOLA)

    Kategorien

    In stock of ZB MED Bonn / Germany

    Z 4' 48/58: Show issues
    Z70.00 NE01: Show issues

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  4. Article: Plasma 1,25-(OH)2-vitamin D concentrations and net intestinal calcium, phosphate, and magnesium absorption in humans

    Wilz, Donald R / Gray, Richard W / Dominguez, Jesus H / Lemann, Jacob Jr

    American journal of clinical nutrition. Oct 1979. v. 32 (10)

    1979  

    Abstract: Abstract: Vitamin D and its hormonally active form, 1,25-(OH)2-D3, stimulate intestinal calcium absorption and may also influence absorption of phosphate and magnesium. Balance studies of 16 healthy and 19 vitamin replete patients eating the same diet ... ...

    Abstract Abstract: Vitamin D and its hormonally active form, 1,25-(OH)2-D3, stimulate intestinal calcium absorption and may also influence absorption of phosphate and magnesium. Balance studies of 16 healthy and 19 vitamin replete patients eating the same diet were conducted. Net intestinal calcium correlated positively to plasma 1,25-(OH)2-D levels, but phosphate and magnesium absorption did not. In the absence of detectable 1,25-(OH)2-D, significant quantities of phosphate and magnesium were absorbed. In patients with calcium-containing kidney stones, plasma 1,25-(OH)2-D levels were significantly higher than normal, intestinal phosphate absorption was normal, and magnesium absorption was significantly depressed.
    Keywords vitamin D ; calcium ; magnesium ; absorption ; mineral metabolism ; rickets ; hypercalcemia ; phosphates ; balance studies
    Language English
    Dates of publication 1979-10
    Size p. 2052-2060., ill., charts.
    Document type Article
    ZDB-ID 280048-2
    ISSN 1938-3207 ; 0002-9165
    ISSN (online) 1938-3207
    ISSN 0002-9165
    Database NAL-Catalogue (AGRICOLA)

    Kategorien

    In stock of ZB MED Bonn / Germany

    Z 72/516: Show issues

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