[Tubular response to antidiuretic plasma activity in the transplanted kidney (author's transl)]. 1976

H Lange, and M Beer

Reabsorption of osmotically free water (TmcH2O) was studied in 10 patients after renal transplantation. A rising or constant free water reabsorption was observed under hydropenia and increasing tubular solute load. These findings suggest that in the transplanted kidney the functioning nephrons respond in a normal way to plasma ADH-activity. The excretion of plasma-hypotonic urine reflects decreased antidiuretic activity as in overhydration rather than tubular unresponsiveness to ADH. The excretion of plasma-hypertonic urine indicates tubular reabsorption of osmotically free water due to ADH, and this in general rules out overhydration. Daily estimation of urinary and plasma osmolality will be useful in judging the actual state of hydration after renal transplantation.

UI MeSH Term Description Entries
D007671 Kidney Concentrating Ability The ability of the kidney to excrete in the urine high concentrations of solutes from the blood plasma. Urine Concentrating Ability,Abilities, Kidney Concentrating,Abilities, Urine Concentrating,Ability, Kidney Concentrating,Ability, Urine Concentrating,Concentrating Abilities, Kidney,Concentrating Abilities, Urine,Concentrating Ability, Kidney,Concentrating Ability, Urine,Kidney Concentrating Abilities,Urine Concentrating Abilities
D009994 Osmolar Concentration The concentration of osmotically active particles in solution expressed in terms of osmoles of solute per liter of solution. Osmolality is expressed in terms of osmoles of solute per kilogram of solvent. Ionic Strength,Osmolality,Osmolarity,Concentration, Osmolar,Concentrations, Osmolar,Ionic Strengths,Osmolalities,Osmolar Concentrations,Osmolarities,Strength, Ionic,Strengths, Ionic
D001769 Blood The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014182 Transplantation, Autologous Transplantation of an individual's own tissue from one site to another site. Autografting,Autologous Transplantation,Autotransplantation,Autograftings,Autologous Transplantations,Autotransplantations,Transplantations, Autologous
D014667 Vasopressins Antidiuretic hormones released by the NEUROHYPOPHYSIS of all vertebrates (structure varies with species) to regulate water balance and OSMOLARITY. In general, vasopressin is a nonapeptide consisting of a six-amino-acid ring with a cysteine 1 to cysteine 6 disulfide bridge or an octapeptide containing a CYSTINE. All mammals have arginine vasopressin except the pig with a lysine at position 8. Vasopressin, a vasoconstrictor, acts on the KIDNEY COLLECTING DUCTS to increase water reabsorption, increase blood volume and blood pressure. Antidiuretic Hormone,Antidiuretic Hormones,beta-Hypophamine,Pitressin,Vasopressin,Vasopressin (USP),Hormone, Antidiuretic,beta Hypophamine
D016030 Kidney Transplantation The transference of a kidney from one human or animal to another. Grafting, Kidney,Renal Transplantation,Transplantation, Kidney,Transplantation, Renal,Kidney Grafting,Kidney Transplantations,Renal Transplantations,Transplantations, Kidney,Transplantations, Renal

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