abstract：:In 38 conscious rats divided into seven groups, acute unilateral ischemic renal failure was induced by 1 hour of complete occlusion of the left renal artery while the contralateral kidney remained intact. Renal excretory function of the left kidney was monitored up to 144 hours after ischemia and revealed a typical co...

journal_title：Kidney international

authors： Kramer HJ,Schüürmann J,Wassermann C,Düsing R

更新日期：1980-04-01 00:00:00

abstract：:Kinetic parameters were studied to determine the effectiveness of hemoperfusion in removing ethychlorvynol from the plasma and red blood cells (RBC) of intoxicated dogs. Perfusion columns contained polystyrene/divinyl benzene resin (XAD-4 Amberlite. Column clearances of ethchlorvynol averaged 96.5 +/- 0.4% of the plas...

journal_title：Kidney international

authors： Zmuda MJ

更新日期：1980-03-01 00:00:00

abstract：:Mechanisms responsible for renal hemodynamic alterations were studied in jaundiced (by bile-duct ligation) rabbits (BDL) 10 days after ligation of the biliary tract, in comparison with sham-operated rabbits (SO). Arterial hematocrit, plasma volume, blood pressure, abdominal inferior vena cava pressure, and heart rate ...

journal_title：Kidney international

authors： Hishida A,Honda N,Sudo M,Nagase M

更新日期：1980-02-01 00:00:00

abstract：:Our findings indicate that hypoaldosteronism occurs commonly (23/31 patients) in hyperkalemic patients with chronic renal insufficiency and that the deficiency of aldosterone contributes to the pathogenesis of the hyperkalemia. In most patients (83%), hypoaldosteronism could be accounted for by deficient renal secreti...

journal_title：Kidney international

authors： Schambelan M,Sebastian A,Biglieri EG

更新日期：1980-01-01 00:00:00

abstract：:Freeze-fracture and thin-section electron microscopy and morphometry were used to characterize further the response of the rat medullary collecting duct to potassium depletion. In freeze-fracture replicas, principal cells and intercalated cells were identified based on the assumption that intercalated cells possess a ...

journal_title：Kidney international

authors： Stetson DL,Wade JB,Giebisch G

更新日期：1980-01-01 00:00:00

abstract：:In seven patients on maintenance hemodialysis, de novo recurrent renal stone formation was observed. In all patients, the underlying disease was glomerulonephritis, with or without the nephrotic syndrome. All patients had considerable persistent proteinuria. The stones consisted predominantly of protein, as revealed b...

journal_title：Kidney international

authors： Bommer J,Ritz E,Tschöpe W,Waldherr R,Gebhardt M

更新日期：1979-12-01 00:00:00

abstract：:Micropuncture studies were carried out in surface nephrons of rats with nephrotoxic-serum (NTS)-induced nephrotic syndrome during a period of active sodium and water retention. It was found that hydrostatic pressure and tubular diameter were increased in the proximal tubules (13.4 +/- 0.2 vs. 10.4 +/- 0.2 mm Hg; 31.3 ...

journal_title：Kidney international

authors： Kuroda S,Aynedjian HS,Bank N

更新日期：1979-11-01 00:00:00

abstract：:The renal handling of gentamicin in the rat was examined by clearance, microinjection, and renal cortical-slice techniques. The steady-state renal clearance of 14C-gentamicin, when corrected for the 7.5% binding to plasma protein, was not significantly different from that of 3H-inulin. At the end of the renal clearanc...

journal_title：Kidney international

authors： Pastoriza-Munoz E,Bowman RL,Kaloyanides GJ

更新日期：1979-10-01 00:00:00

abstract：:To define the pattern of recovery from postischemic acute renal failure (ARF), we performed clearance and micropuncture studies at intervals of 1, 2, 4, and 8 weeks following 60 min of complete unilateral renal artery occlusion in the rat. At 1 week, the inulin clearance (CIn) of the postischemic kidney was less than ...

journal_title：Kidney international

authors： Finn WF,Chevalier RL

更新日期：1979-08-01 00:00:00

abstract：:Quartan malarial infection causes an immune complex nephritis in some individuals, which, once established, is sustained by mechanisms not yet fully explained, but which probably involve autoimmune processes. The presenting clinical and biochemical findings of the quartan malarial nephrotic syndrome are similar to tho...

journal_title：Kidney international

authors： Hendrickse RG,Adeniyi A

更新日期：1979-07-01 00:00:00

abstract：:The possibility that the rabbit collecting tubule is heterogeneous with respect to electrical and morphologic properties was examined in isolated segments. Collecting tubules from rabbits treated with desoxycorticosterone acetate were dissected from various locations within the cortex and outer medulla, and the transe...

journal_title：Kidney international

authors： Stokes JB,Tisher CC,Kokko JP

更新日期：1978-12-01 00:00:00

abstract：:Glutamine accumulation in rat kidney was investigated by giving large loads of gluta, mate and aspartate and measuring glutamine changes in seven completely defined portions of the nephron and in small patches from the thin limb area and from the papilla. Both glutamate and aspartate (which is partly coverted to gluta...

journal_title：Kidney international

authors： Burch HB,Chan AW,Alvey TR,Lowry OH

更新日期：1978-11-01 00:00:00

abstract：:The processes of growth and remodeling that characterize growing bone are vulnerable to the biochemical effects of uremia. These processes are affected by the alterations in vitamin D metabolism and hyperparathyroidism that commonly occur with chronic renal insufficiency. Uremia interferes with cartilaginous developme...

journal_title：Kidney international

authors： Avioli LV

更新日期：1978-10-01 00:00:00

abstract：:The metabolism of phenylalanine and tyrosine was evaluated in six normal men, five chronically uremic men, and three men undergoing maintenance hemodialysis. Phenylalanine, tyrosine, and 13 acidic metabolites of those amino acids were measured in plasma postabsorptively and in plasma and urine after a phenylalanine lo...

journal_title：Kidney international

authors： Jones MR,Kopple JD,Swendseid ME

更新日期：1978-08-01 00:00:00

abstract：:Absorption of amino acids by the necturus proximal tubules was measured under free-flow conditions The coexistence of proximal tubular amino acid influx was determined by infusing saline into tubular lumens by the stopped-flow microperfusion technique. Under free-flow conditions, fractional absorption of individual am...

journal_title：Kidney international

authors： Oken DE,Weise M

更新日期：1978-06-01 00:00:00

abstract：:Unilateral progressive Masugi nephritis was produced in rabbits and studied by microangiography as well as light and immunofluorescence microscopy. The following five groups were studied: Group 1. Heparin was started simultaneously with nephrotoxic serum (NTS) and was given for one week. The animals were then sacrific...

journal_title：Kidney international

authors： Nakamoto Y,Dohi K,Fujike H,Yuri T,Shinoda A,Takeuchi J

更新日期：1978-04-01 00:00:00

abstract：:X-ray films of the hand skeleton (mammography technique), serum chemistry, and quantitative bone histology (micromorphometry of undecalcified sections, iliac crest spongiosa) were compared in 25 patients on maintenance hemodialysis. The X-ray findings correlated better with serum PTH levels than with bone histology. O...

journal_title：Kidney international

authors： Ritz E,Prager P,Krempien B,Bommer J,Malluche HH,Schmidt-Gayk H

更新日期：1978-04-01 00:00:00

abstract：:In order to study the effects of acute ureteral obstruction on glomerular hemodynamics, glomerular hydrostatic capillary pressure (PG), pressure in the first-order peritubular capillaries (EAP), and intratubular pressure (PT) were directly measured in superficial nephrons on Munich-Wistar rats by micropuncture with a ...

journal_title：Kidney international

authors： Dal Canton A,Stanziale R,Corradi A,Andreucci VE,Migone L

更新日期：1977-12-01 00:00:00

abstract：:The mean renal tubular diameters, number of tubules per unit of cross-sectional area, and fraction of the total volume occupied by each medullary structure were determined at various levels of the renal medulla of the rat and rabbit. Statistical estimates of anatomic variables were made using spatial sampling techniqu...

journal_title：Kidney international

authors： Knepper MA,Danielson RA,Saidel GM,Post RS

更新日期：1977-11-01 00:00:00

abstract：:Hemodynamic studies were performed at two levels of dietary sodium intake (10 mmoles/day and 100 mmoles/day for 14 days) in a group of patients (with retained kidneys) on chronic hemodialysis. Plasma renin activity and aldosterone, plasma, and extracellular fluid (ECF) volumes were measured while the patient were at r...

journal_title：Kidney international

authors： McGrath BP,Tiller DJ,Bune A,Chalmers JP,Korner PI,Uther JB

更新日期：1977-10-01 00:00:00

abstract：:The current study was undertaken to examine the effects of dithiothreitol (DDT), a sulfhydryl-reducing agent and heavy metal chelator, on the course of heavy metal-induced acute renal failure in the rat. Groups of rats in metabolic cages received uranyl nitrate (UN) alone, UN plus DTT, mercuric chloride (HgCl2) alone,...

journal_title：Kidney international

authors： Kleinman JG,McNeil JS,Schwartz JH,Hamburger RJ,Flamenbaum W

更新日期：1977-08-01 00:00:00

abstract：:Mice chronically infected with the virus of lymphocytic choriomeningitis (LCM) develop immune complex glomerulonephritis. Others have shown that adoptive immunization of these mice by the i.p. injection of syngeneic immune spleen cells terminates the chronic viral carrier state. The present studies were designed to de...

journal_title：Kidney international

authors： Hoffsten PE,Villalobos R,Hill C,Klahr S

更新日期：1977-05-01 00:00:00

abstract：:The defect in urinary acidification induced by amphotericin B (AMB) was further characterized in turtle bladder. Since AMB has been shown to increase the hydrogen ion (H+) permeability of this epithelium in the absence of exogenous bicarbonate ions (HCO3-), we explored the permeability characteristics in the presence ...

journal_title：Kidney international

authors： Finn JT,Cohen LH,Steinmetz PR

更新日期：1977-04-01 00:00:00

abstract：:Renal para-aminohippurate (PAH) clearances were predicted in 16 kidneys of eight hypertensive patients with renal artery stenosis, pyelonephritis, or obstructive nephropathy, without individual ureteral catheterization. Predictions of left or right kidney clearance (CL or CR) were based on roentgenographic renal front...

journal_title：Kidney international

authors： Gutkin M,Perl W,Das BN,Chin B,Modlinger RS

更新日期：1977-03-01 00:00:00

abstract：:Isotomic fluid reabsorption (JV) of rat renal proximal tubules was examined by the shrinking droplet method in combination with simulatneous perfusion of blood capillaries. Sensitivity of JV measurement was improved by using each punctured tubule for control measurements: 1) Parathyroid hormoen (PTH) on the contralumi...

journal_title：Kidney international

authors： Baumann K,Chan YL,Bode F,Papavassiliou F

更新日期：1977-02-01 00:00:00

abstract：:Studies were undertaken to examine the mechanism whereby changes in intraluminal flow rates after reabsorption in the isolated perfused proximal tubule of the rabbit. All protocols employed the technique of in vitro perfusion of isolated segments of the proximal convoluted tubule. Stepwise elimination of d-glucose and...

journal_title：Kidney international

authors： Imai M,Seldin DW,Kokko JP

更新日期：1977-01-01 00:00:00

abstract：:Anti-NDP has been detected in the sera of 38 of 430 patients on regular hemodialysis at the Regional Kidney Disease Program in Minneapolis. It developed in these patients from 7 to 58 months after commencement of dialysis. Bacterial infection appeared temporally related to the development of anti-NDP in 12 patients. H...

journal_title：Kidney international

authors： Crosson JT,Moulds J,Comty CM,Polesky HF

更新日期：1976-12-01 00:00:00

abstract：:While hemodialysis therapy in its present form is capable of sustaining life, dialysis patients are not metabolically normal and we are unable to say what technical factors contribute adequate therapy. Recent efforts to resolve these problems have led to the assumption that substances in the molecular weight range of ...

journal_title：Kidney international

authors： Lowrie EG,Steinberg SM,Galen MA,Gagneux SA,Lazarus JM,Gottlieb MN,Merrill JP

更新日期：1976-11-01 00:00:00

abstract：:Hemodynamic pressure in glomerular capillaries (GCP) and in first order peritubular capillaries (EAP) in superficial nephrons of mutant Wistar rats with surface glomeruli was measured by micropuncture with a servo-nulling device in the following conditions: 1) control;2) norepinephrine infusion (NE); 3) epinephrine in...

journal_title：Kidney international

authors： Andreucci VE,Dal Canton A,Corradi A,Stanziale R,Migone L

更新日期：1976-06-01 00:00:00

abstract：:A study of dialysis costs in five major dialysis centers throughout the United States was conducted in 1973. When available, home, home training, limited care, satellite and in-hospital-full-care dialysis were included. The study's objective was to determine the cost per dialysis for each separate dialysis modality. A...

journal_title：Kidney international

authors： Hoffstein PA,Krueger KK,Wineman RJ

更新日期：1976-03-01 00:00:00

abstract：:Levels of components of the classical and alternative complement pathways and the activity of the C3 nephritic factor (C3NeF) were measured in serum specimens from patients with type I (subendothelial deposits) and type II (intramembranous dense deposits) membranoproliferative glomerulonephritis (MPGN) and the results...

journal_title：Kidney international

authors： Ooi YM,Vallota EH,West CD

更新日期：1976-01-01 00:00:00

abstract：:A morphometric technique is used to estimate the absolute and relative surface areas of the brush border microvilli and cell walls bordering lateral intercellular spaces. In isolated, perfused proximal tubule from rabbit, the luminal and lateral surfaces are equal in area. For proximal convoluted tubules (PCT) each su...

journal_title：Kidney international

authors： Welling LW,Welling DJ

更新日期：1975-12-01 00:00:00

abstract：:Anticoagulation has been reported to ameliorate antiglomerular basement membrane glomerulonephritis (anti-GBM-GN) while its effect on chronic immune complex glomerulonephritis (IC-GN) as studied in the NZB mouse is unclear. Chronic serum sickness IC-GN was induced in rabbits by injecting bovine serum albumin (BSA) dai...

journal_title：Kidney international

authors： Border WA,Wilson CB,Dixon FJ

更新日期：1975-09-01 00:00:00

abstract：:The maximum rate of inorganic phosphorus (P1) reabsorption (Tmp1) was measured during phosphate infusion in chronically parathyroidectomized rats. In either initially hydropenic rats or others which underwent moderate preliminary saline loading, Tmp1 tended to rise during early phosphate infusion and then decline, so ...

journal_title：Kidney international

authors： Engle JE,Steele TH

更新日期：1975-08-01 00:00:00

abstract：:We have analyzed the protein content of proximal tubular fluid (PTF) by ultramicro disc electrophoresis and measured total protein excretion rates both in control conditions and during angiotensin infusion to the rat. Under control conditions PTF albumin concentration was 1.49 +/- 1.12 (SD) mg/100 ml and did not incre...

journal_title：Kidney international

authors： Eisenbach GM,Liew JB,Boylan JW,Manz N,Muir P

更新日期：1975-08-01 00:00:00

abstract：:The transition between the glomerulus and the proximal tubule was studied by light and electron microscopy in perfusion-fixed rabbit kidneys. In most nephrons a transitional segment of tubule occurred between the Bowman's capsule and the proximal tubule proper. This initial part of the tubule was lined by flattened ce...

journal_title：Kidney international

authors： Sch0nheyder HC,Maunsbach AB

更新日期：1975-03-01 00:00:00

abstract：:We demonstrate that salts of diatrizoate and iothalamate, radiographic contrast agents, depress the active transport of sodium in the urinary bladder of the Columbian toad, Bufo marinus. Isolated toad bladders were incubated in isotonic Ringer's solutions with isosmolar displacement of sodium chloride by contrast medi...

journal_title：Kidney international

authors： Ziegler TW,Ludens JH,Fanestil DD,Talner LB

更新日期：1975-02-01 00:00:00