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The appearance of renal failure during episodes of macroscopic hematuria (EMH) in IgA nephropathy (IgAN) has been described as very unusual. The results of a prospective investigation on the effect of EMH on renal function in IgAN are presented. During a 3-year period, 29 episodes of EMH occurring in 21 patients with IgAN have been studied. A derangement of(More)
BACKGROUND Although some studies have shown that the risk to develop proteinuria and renal insufficiency is increased in patients with a remnant kidney (RK) or unilateral renal agenesis (URA), other patients maintain normal renal function and negative proteinuria, and the reasons to explain these different outcomes are not known. METHODS We performed a(More)
We have prospectively studied 37 adult patients (15 males, 22 females; age 31 +/- 10.6 years) with previously undiagnosed isolated hematuria in which hypercalciuria or hyperuricosuria was found. Eighteen of them had had episodes of gross hematuria. Isolated hypercalciuria (4.4 to 10.4, X 5.6 +/- 1.9 mg/kg/24 hr) was found in nine patients (Group I),(More)
A 12-year-old boy presented with acute renal failure (ARF) accompanied by a disproportionate increase of serum uric acid level and massive uric acid crystalluria. After alkalinization and allopurinol therapy, serum uric acid and renal function returned to normal values. A further enzymatic study showed the existence of a partial hypoxanthine-guanine(More)
INTRODUCTION Fibrates represent one of the medications used to treat patients with hyperlipemia. Deterioration in renal function is not a very known adverse effect of fibric acid derivates. In the last 26 months we have detected thirteen patients with acute renal failure associated to fibrates in our outpatients' clinic. SUBJECTS AND METHODS The aim of(More)
Soluble receptors for hormones and cytokines have been described. They can serve as natural blockers of their respective ligands. The natural soluble interferon gamma receptor (sIFN gamma R) has been isolated and characterized only in urine. Chromatography of human (hu) plasma from rheumatoid arthritis (RA) patients and controls on immobilized hu IFN gamma(More)
Three episodes of acute renal failure, all of them requiring hemodialysis, were observed in two patients. The renal biopsy specimens showed a massive periglomerular granulomatosis with crescentic glomerulonephritis. With cyclophosphamide therapy, a dramatic improvement in renal function was observed in both patients. Although the histologic findings and the(More)