Journal ArticleAm J Kidney Dis · February 2020
Overall body fluid concentration is regulated within a narrow range by the concerted action of the hypothalamic-pituitary axis to influence water intake through thirst and water excretion via the effect of vasopressin, or antidiuretic hormone, on renal col ...
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Journal ArticleFront Horm Res · 2019
The etiology of hyponatremia is often multifactorial. The most common causes include hypovolemia from gastrointestinal (GI) or other fluid losses, thiazide diuretics, and SIAD [1]. In this chapter, we will discuss hypovolemic ...
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Chapter · January 1, 2019
Diuretics are commonly prescribed to treat the sodium retention, volume expansion, and hypertension characteristic of chronic kidney disease (CKD). With reduced renal function, delivery of the drugs to their renal tubular sites of action is impaired, poten ...
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Journal ArticleSupport Care Cancer · July 2017
PURPOSE: Hyponatremia secondary to SIADH is frequent in cancer patients and potentially deleterious. The aim of this sub-analysis of the Hyponatremia Registry database is to analyze current diagnostic and therapeutic management practices in cancer patients ...
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Journal ArticleAm J Nephrol · 2017
BACKGROUND: Hyponatremia is a frequent and potentially life-threatening adverse side effect of thiazide diuretics. This sub-analysis of the Hyponatremia Registry database focuses on current management practices of thiazide-associated hyponatremia (TAH) and ...
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Chapter · January 1, 2017
The urinalysis is an essential component of the evaluation of patients with suspected parenchymal kidney disease and helps distinguish among the various causes of glomerular disease and acute or chronic kidney injury. It can be performed rapidly and at lit ...
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Journal ArticleAm J Med · May 2016
BACKGROUND: The syndrome of inappropriate antidiuretic hormone secretion is the most common cause of hyponatremia in clinical practice, but current management of hyponatremia and outcomes in patients with syndrome of inappropriate antidiuretic hormone secr ...
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ConferenceJ Vasc Surg · November 2015
OBJECTIVE: The arteriovenous graft (AVG) is most often used in hemodialysis patients when an autogenous fistula is not feasible. The optimal location (forearm or upper arm) and configuration (loop or straight) of AVGs are not known. To evaluate relationshi ...
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Journal ArticleKidney Int · July 2015
Current management practices for hyponatremia (HN) are incompletely understood. The HN Registry has recorded diagnostic measures, utilization, efficacy, and outcomes of therapy for eu- or hypervolemic HN. To better understand current practices, we analyzed ...
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Chapter · January 1, 2015
Diuretics are commonly prescribed to treat the sodium retention, volume expansion, and hypertension characteristic of CKD. With reduced renal function, delivery of the drugs to their renal tubular sites of action is impaired, potentially leading to diminis ...
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Journal ArticleAm J Med · October 2013
Hyponatremia is a serious, but often overlooked, electrolyte imbalance that has been independently associated with a wide range of deleterious changes involving many different body systems. Untreated acute hyponatremia can cause substantial morbidity and m ...
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Journal ArticleAm J Kidney Dis · August 2013
Hyponatremia, the most commonly encountered electrolyte abnormality, affects as many as 30% of hospitalized patients. It is a powerful predictor of poor outcomes, especially in patients with congestive heart failure or cirrhosis. The failure to excrete ele ...
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Chapter · January 1, 2013
Arginine vasopressin is the hormone principally responsible for the genesis of most hyponatremic disorders. The persistent inappropriate or maladaptive secretion of this hormone, also known as antidiuretic hormone, prevents excretion of electrolyte-free wa ...
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Journal ArticleOpen Access Journal of Clinical Trials · January 1, 2012
Background: Hyponatremia is a prevalent condition in patients hospitalized across a broad range of conditions, including heart failure, cirrhosis, and the syndrome of inappropriate antidiuretic hormone (SIADH) secretion. Whether present on admission or dev ...
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Journal ArticleJ Intensive Care Med · 2012
Hyponatremia in critically ill patients is a common and challenging problem. Increased levels of arginine vasopressin almost always contribute to the etiology. Inhibition of the vasopressin receptor with a vasopressin receptor antagonist (vaptan) is a nove ...
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Journal ArticleJ Am Soc Nephrol · April 2011
Extended-release dipyridamole plus low-dose aspirin (ERDP/ASA) prolongs primary unassisted graft patency of newly created hemodialysis arteriovenous grafts, but the individual contributions of each component are unknown. Here, we analyzed whether use of as ...
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Journal ArticleN Engl J Med · May 21, 2009
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BACKGROUND: Arteriovenous graft stenosis leading to thrombosis is a major cause of complications in patients undergoing hemodialysis. Procedural interventions may restore patency but are costly. Although there is no proven pharmacologic therapy, dipyridamo ...
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Book · January 1, 2009
This official publication of the National Kidney Foundation (NKF) covers all aspects of adult and pediatric kidney diseases and is ideal for nephrologists and non-nephrologists alike. The full-color design, high-quality photographs, and outstanding graphs ...
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Journal ArticleJ Am Soc Nephrol · June 2008
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Hyponatremia is a common and challenging disorder. The mainstays of treatment until recently were water restriction and hypertonic saline. The first nonpeptide vasopressin receptor antagonist (VRA) is now approved by the US Food and Drug Administration for ...
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Journal ArticleJAMA · May 14, 2008
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CONTEXT: The arteriovenous fistula is the preferred type of vascular access for hemodialysis because of lower thrombosis and infection rates and lower health care expenditures compared with synthetic grafts or central venous catheters. Early failure of fis ...
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Journal ArticleAm J Med · November 2007
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Although hyponatremia is a common, usually mild, and relatively asymptomatic disorder of electrolytes, acute severe hyponatremia can cause substantial morbidity and mortality, particularly in patients with concomitant disease. In addition, overly rapid cor ...
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Journal ArticleAm J Transplant · March 2007
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Familial hypocalciuric hypercalcemia (FHH) is caused by heterozygous inactivation of the calcium-sensing receptor, which is notably expressed in parathyroid and kidney. FHH is characterized by asymptomatic hypercalcemia and hypophosphatemia and confers min ...
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Journal ArticleTransplantation · November 15, 2006
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Postinfectious glomerulonephritis (PIGN) is a rare etiology of de novo glomerulonephritis following kidney transplantation. To date, there have only been eight cases reported in the literature. We report an additional three patients transplanted at our ins ...
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Journal ArticleKidney Int · June 2006
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The first non-peptide vasopressin receptor antagonist (VRA) was recently approved by the United States Food and Drug Administration, and several others are now in late stages of clinical development. Phase 3 trials indicate that these agents predictably re ...
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Journal ArticleJ Rheumatol · April 2005
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OBJECTIVE: To determine the frequency and severity of kidney abnormalities in patients with diffuse scleroderma. METHODS: All patients with diffuse scleroderma seen at the University of Pittsburgh between 1972 and 1993 were included in the study. Kidney fu ...
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Journal ArticleHum Immunol · April 2005
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Acute humoral rejection (AHR) in kidney transplantation is associated with higher rates of allograft loss when compared with acute cellular rejection (ACR). Treatment with intravenous immunoglobulin (IVIG) combined with plasmapheresis (PP) has been used re ...
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Journal ArticleJ Intensive Care Med · 2005
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Potassium is the principal intracellular cation, and maintenance of the distribution of potassium between the intracellular and the extracellular compartments relies on several homeostatic mechanisms. When these mechanisms are perturbed, hypokalemia or hyp ...
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Journal ArticleTransplantation · May 15, 2003
BACKGROUND: Acute humoral rejection (AHR) has been associated with enhanced graft loss. Our study compared the renal allograft survival of patients with AHR treated with plasmapheresis (PP) and intravenous immunoglobulin (IVIG) with allograft survival in p ...
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Journal ArticleAmerican journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons · January 2002
Delayed graft function (DGF) in cadaver kidney transplants is a common problem and is often due to acute tubular necrosis (ATN). DGF in transplants may have a deleterious effect on long-term graft survival. Since thyroid hormone has been shown to hasten re ...
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Journal ArticleAm J Kidney Dis · April 2001
Viral infections are a leading cause of posttransplantation morbidity and mortality. A number of recent developments have altered our understanding and management of these disorders. The pathogenetic roles of several viruses, including human herpesviruses ...
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Journal ArticleClin Nephrol · March 2000
AIM: To determine risk factors for failure of temporary dialysis catheters, we prospectively studied the outcome of 178 non-tunneled dual lumen catheters placed in 126 consecutive patients requiring treatment of acute renal failure (ARF) or end-stage renal ...
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Journal ArticleClin Nephrol · January 2000
BACKGROUND: System clotting and the anticoagulation techniques employed to prevent it are important causes of morbidity in continuous renal replacement therapy (CRRT). Different means have been employed in attempts to prolong system lifespan while minimizi ...
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Journal ArticleKidney Int · January 2000
UNLABELLED: A trial of thyroxine in acute renal failure. BACKGROUND: Acute renal failure (ARF) remains a serious medical problem with a high mortality rate. Efforts to shorten the course of ARF might reduce this mortality. Since thyroxine has been shown in ...
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Journal ArticleAm J Med Sci · January 2000
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BACKGROUND: Diuretics are widely used and generally safe, but like any therapeutic agents, they may cause side effects. METHODS: A review of recent literature pertaining to diuretic usage was performed, with emphasis on specific reports of side effects. Re ...
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Journal ArticleArch Intern Med · April 27, 1998
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BACKGROUND: Hyperkalemia is a common, potentially life-threatening disorder. Electrocardiograms are considered to be sensitive indicators of the presence of hyperkalemia. Since the treatment of hyperkalemia involves relatively few maneuvers and because its ...
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Journal ArticleSemin Nephrol · January 1998
Although extracellular potassium accounts for only 1% to 2% of total body potassium, its concentration, [K+], is critical because it affects the depolarization of electrically excitable tissues such as heart and skeletal muscle. Renal failure is a predispo ...
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Journal ArticleRen Fail · May 1997
Mortality from acute renal failure in critically ill patients remains in excess of 50% despite decades of improvement in supportive care. It is not known whether replacement of other failing organs by non-renal organ transplantation affects mortality in ac ...
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Journal ArticleAm J Kidney Dis · March 1997
To better characterize the heavy proteinuria occasionally described in cholesterol atheroembolic renal disease (CAE), we reviewed the clinical features and histological findings of 24 patients found at renal biopsy to have CAE. Twelve (50%) had a typical c ...
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Journal ArticleClin Nephrol · February 1996
OBJECTIVE: Assessment and comparison of pregnancy outcomes in women with renal disease and women with high risk pregnancies due to medical illness without renal disease. DESIGN: A prospective, matched controlled study. SETTING: The High Risk Obstetrical Cl ...
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Journal ArticleAnn Intern Med · January 15, 1996
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OBJECTIVE: To determine the incidence, clinical characteristics, and outcome for general medical-surgical hospital patients with hypernatremia. DESIGN: A prospective cohort study. SETTING: A 942-bed urban university hospital. PATIENTS: All patients who dev ...
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Journal ArticleASAIO J · 1995
Clotting of the extracorporeal circuit during continuous renal replacement therapy results in decreased ultrafiltration rates, impaired solute clearance and, ultimately, occlusion of the extracorporeal circuit. The authors conducted an open-label randomize ...
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Journal ArticleAm J Kidney Dis · September 1994
The current standard for assessment of renal function in pregnant women is a 24-hour urine collection to determine creatinine clearance and proteinuria. It is easier to use the random urine protein to creatinine (P:C) ratio and the Cockcroft-Gault (CG) for ...
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Journal ArticleAm J Kidney Dis · March 1992
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Hemoperitoneum is a well-recognized, if uncommon, complication of chronic peritoneal dialysis. In this review of 424 patients maintained on peritoneal dialysis at a single center during an 11-year period, 26 patients (6.1%) developed one or more episodes o ...
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Journal ArticleASAIO J · 1992
To define the flow dependence of diffusive solute clearance (Kd) during continuous venovenous hemodiafiltration (CVVHD), urea, creatinine, and phosphate clearance were measured during CVVHD, while ultrafiltration was minimized. Studies were performed using ...
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Journal ArticleClinical Nephrology · 1991
A 38-year-old man with liver failure due to Laennec's cirrhosis developed nephrotic range proteinuria and hematuria. Renal biopsy showed membranoproliferative glomerulonephritis with 2+ staining for IgA and complement consistent with cirrhotic glomerulonep ...
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Journal ArticleTransplantation · October 1990
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Renal function was observed retrospectively in a population of 228 adults who underwent a cardiac allograft at the University of Pittsburgh from June 1980 through June 1987, survived a minimum of one year, and received cyclosporine. Renal function was dete ...
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Journal ArticleToxicology · July 1990
The relationship between urinary metallothionein and kidney and liver cadmium levels was examined in 68 active and retired smelter workers. Metallothionein was analyzed by a radioimmunoassay and liver and kidney cadmium levels were determined by in vivo ne ...
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Journal ArticleClin Nephrol · June 1990
Three renal transplant recipients developed potentially life-threatening hyperkalemia after receiving intravenous labetalol for postoperative hypertension. Even as beta-adrenergic agonists find increasing use in the therapy of acute hyperkalemia, physician ...
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Journal ArticleAm J Kidney Dis · April 1989
Renal atheroembolism is a well-recognized cause of renal insufficiency. Two renal allograft recipients with cholesterol atheroemboli in their allograft biopsies are described. In one patient, the origin of the atheroemboli was the recipient aorta while in ...
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Journal ArticleAm J Nephrol · 1989
Six patients with progressive chronic renal failure not yet requiring dialysis and not consuming supplemental calcium or vitamin D developed hypercalcemia. Three had proven and 1 suspected tertiary hyperparathyroidism, 1 parathyroid carcinoma and 1 aplasti ...
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Journal ArticleJ Clin Endocrinol Metab · November 1988
It has been postulated that hyperparathyroidism in chronic renal failure results from hypocalcemia, occurring, in part, from phosphate retention and/or deficient 1,25-dihydroxyvitamin D3 [1,25-(OH)2D3] synthesis. However, many studies have failed to demons ...
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Journal ArticleClin Pharmacol Ther · January 1988
The effects of nitrendipine (10 mg, during acute clearance experiments) given both acutely and after 2 weeks of administration were examined in normal and hypertensive subjects. At the initiation of therapy, nitrendipine caused an increase in glomerular fi ...
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Journal ArticleNephron · 1988
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A 19-year-old normotensive patient had all of the clinical features of Bartter's syndrome: hypokalemia, elevated renin and aldosterone levels and increased excretion of prostaglandin E. In contrast to the patients described by Bartter, the patient had a no ...
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Journal ArticleArch Intern Med · February 1987
Hypercalcemia has not previously been recognized as a complication of advanced chronic liver disease without hepatoma. During a five-year period, 16 patients evaluated in the liver transplantation program at the University of Pittsburgh developed hypercalc ...
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Journal ArticleAm J Kidney Dis · January 1987
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To characterize the two forms of cyclosporine nephrotoxicity, we examined renal function in the immediate and late postoperative periods after cardiac transplantation. Moderate azotemia occurred during the first postoperative week in 58% of 43 cyclosporine ...
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Journal ArticleAm J Kidney Dis · December 1986
An 18-year-old man with mild factor VIII deficiency developed hematuria and, subsequently, acute renal failure due to high-grade urinary obstruction by clots during therapy with cryoprecipitate, epsilon-aminocaproic acid, and acetazolamide administered for ...
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Journal ArticleAm J Kidney Dis · August 1986
The charts of 70 successive patients presenting for dialysis therapy for end-stage renal disease (ESRD) were evaluated for their serum electrolyte values. The "classical" pattern of low total CO2 (tCO2), elevated anion gap ("delta"), and normal chloride wa ...
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Journal ArticleAm J Med · April 1986
Ten dialysis-treated patients with hypercalcemia (11.5 +/- 0.3 mg/dl, mean +/- SE) due to renal osteodystrophy were compared with 30 control dialysis-treated patients who were not hypercalcemic (9.5 +/- 0.1 mg/dl). The hypercalcemic patients were more disa ...
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Journal ArticleAm J Ind Med · 1986
Lead concentrations (microgram/g wet weight) in human bone (tibia) were measured noninvasively in vivo employing an X-ray fluorescence technique. Forty-five workers who had been subjected to chronic industrial exposure were found to have a mean bone lead c ...
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Journal ArticleAm J Nephrol · 1986
Because antemortem diagnosis is difficult, renal failure due to cholesterol atheroembolism has, until recently, been regarded as a uniformly irreversible and generally fatal disease. Of late, recovery of renal function in several patients in whom the diagn ...
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Journal ArticleArch Environ Health · 1986
To assess the pathophysiologic significance of increased body burdens of lead and cadmium, detailed renal function studies and evaluation of calcium, phosphorus, and vitamin D metabolism were carried out in 38 industrial workers exposed to lead and cadmium ...
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Journal ArticleJ Lab Clin Med · April 1985
Nitrendipine, a 1,4-dihydropyridine derivative, is a new calcium entry blocker with marked antihypertensive effects. Because relatively few data are available regarding its renal effects, we studied the drug's action on renal hemodynamics and electrolyte e ...
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Journal ArticleJ Clin Pharmacol · 1985
Bumetanide 1 to 2 mg or metolazone 2.5 mg were administered by mouth separately and then in combination to eight normal men and women in order to determine whether a sequential blockade of sodium reabsorption with diuretic agents that act at different site ...
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Journal ArticleThe Journal of Laboratory and Clinical Medicine · 1985
Nitrendipine, a 1,4-dihydropyridine derivative, is a new calcium entry blocker with marked antihypertensive effects. Because relatively few data are available regarding its renal effects, we studied the drug's action on renal hemodynamics and electrolyte e ...
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Journal ArticleJ Urol · November 1984
Diminished renal concentration and excretion of intravenous radiographic contrast medium are cardinal findings in perirenal hematoma. However, despite a high incidence of perirenal hematoma after renal biopsy acute renal failure has not been described in t ...
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Journal ArticleAm J Med · May 1984
The presenting symptoms, course, and treatment of 10 patients with severe theophylline toxicity (heart rate above 120, multifocal atrial tachycardia or premature ventricular contractions, hypotension, seizures) are described. Theophylline levels at present ...
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Journal ArticleKidney Int · April 1982
The effects of two models of chronic hypercalcemia on renal acid-base metabolism were studied in rats. In the first series of experiments, rats were rendered hyperparathyroid by the autologous grafting of 20 to 24 parathyroid glands into a single recipient ...
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Journal ArticleClin Pharmacol Ther · November 1980
Nonsteroidal anti-inflammatory drugs (NSAIDs) have been found to cause sodium retention and to decrease glomerular filtration rate (GFR). We studied the effects of two such drugs, indomethacin and oxaprozin, a new propionic acid derivative, on renal functi ...
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