Factors Influencing Sodium Reabsorption in the Distal Nephron

Autor: Gise F, Alfago E, Mendlowitz M, Levitt Mf, Pardalis Da, T Kahn, MH Goldstein
Rok vydání: 1974
Předmět:
Zdroj: Experimental Biology and Medicine. 145:737-742
ISSN: 1535-3699
1535-3702
DOI: 10.3181/00379727-145-37886
Popis: SummaryIn 16 of 25 studies during hypotonic sodium sulfate infusion, the development of a chloruresis was temporally associated with a maximal level of CH2O In nine studies, no chloride diuresis developed, and CH2O remained lower than in the former group despite the attainment of similar levels of solute excretion and urine flow rate. With renal-artery constriction, a close relationship was also demonstrated between the level of CH2O and the supply of sodium chloride to the distal nephron. The level of CH2O attained did not relate to levels of solute excretion, urine, flow rate, or intratubular chloride concentration. However, a direct linear relationship was observed between the maximal level of CH2O and GFR over a range of GFR from 15 to 51 ml/min. These findings support the view that a maximal level of CH2O represents a limit in sodium chloride reabsorption in the distal nephron and suggest that the capacity of the distal nephron to reabsorb sodium chloride is influenced by those factors determining th...
Databáze: OpenAIRE