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  • 1
    Electronic Resource
    Electronic Resource
    Lipoprotein profiles at different stages of the nephrotic syndrome (1988)
    Springer
    European journal of pediatrics 147 (1988), S. 233-238 
    Details
    ISSN: 1432-1076
    Keywords: Nephrotic syndrome ; Lipoproteins ; Apolipo-proteins ; Atherosclerosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We investigated lipoprotein profiles in 24 children with normal renal function at different stages of the idiopathic nephrotic syndrome (NS). Four groups of patients were studied: (I) steriod-resistant NS with persistent proteinuria; (II) untreated steroid-sensitive NS during a relapse; (III) steroid-sensitive NS in remission induced by steroid-treatment; (IV) steroid-sensitive NS in long-term remission with-out therapy. Triglycerides (TG), cholesterol (CHOL), and phospholipids (PLP) were measured in plasma as well as in the lipoprotein fractions of very low (VLDL), intermediate (IDL), low (LDL) and high density (HDL). Apoproteins (Apo) AI, AII, B and C-apoproteins were measured in patients of groups I and IV. Results were compared to those obtained in 24 healthy control subjects. All patients with active NS (groups I–III) had significantly elevated CHOL levels. TG and CHOL in the VLDL, IDL, LDL, and CHOL in HDL2, but not HDL3 were inversely correlated with the serum albumin level. Patients with active NS had increased concentrations of TG and CHOL in lipoprotein fractions of lower density. Total and fractionated HDL-CHOL was not significantly different from control levels in any group. Patients in group I had significantly reduced Apo AI levels, whereas an increase of Apo AI and Apo AII in HDL3 and of most C-apoproteins in both HDL fractions was observed in patients of group IV. While changes in HDL apoprotein composition during longterm remission are of yet unknown clinical significance, our data indicate an increased risk of atherosclerosis only in those paediatric patients with persistent steroid-resistant NS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00442685
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  • 2
    Electronic Resource
    Electronic Resource
    Generalized amyloidosis secondary to xanthogranulomatous pyelonephritis (1986)
    Springer
    European journal of pediatrics 145 (1986), S. 565-568 
    Details
    ISSN: 1432-1076
    Keywords: Pyelonephritis ; xanthogranulomatous ; Amyloidosis ; Chronic renal failure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Unilateral nephrectomy in an 8-year-old male with chronic renal failure and urosepsis revealed a combined histologic lesion of xanthogranulomatous pyelonephritis and amyloidosis. Amyloid deposits were found also in the rectum and liver. On clinical grounds xanthogranulomatous pyelonephritis was also suspected in the remaining kidney. Common causes of systemic amyloidosis were excluded. After operation the signs of amyloidosis diminished, probably due to removal of the infected kidney, but renal function deteriorated rapidly.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02429068
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Urinary excretion of glomerular basement membrane-related peptides in children with renal disorders (1987)
    Springer
    Pediatric nephrology 1 (1987), S. 428-435 
    Details
    ISSN: 1432-198X
    Keywords: Glomerular basement membrane ; Type IV collagen ; Alport's syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Urinary excretion of glomerular basement membrane (GBM)-related peptides was analysed in 72 patients with a variety of renal diseases by immunoblotting using polyclonal antibodies against either collagenase or pepsin digests of human GBM. The specificity of the antibodies was verified by elution of antibodies bound to urinary GBM-related peptides on nitrocellulose blots and demonstration of reactivity of the eluted antibodies with the respective GBM digests. Furthermore, six mice immunized with urinary GBM-related peptides all developed focal linear deposits of mouse IgG along their GBM, linear and mesangial deposits of C3 in the glomeruli and serum antibodies reactive with human GBM. Monoclonal antibodies against urinary GBM-related peptides of one of the mice reacted with different peptides of the non-collagenous and collagenous domains of type IV collagen, the major structural protein of GBM. In the majority of the 75 patients' urines tested, excretion of GBM-related peptides with molecular weights of 33, 50, 80 and 150 kilodaltons (kD) was detectable. Patients with a diminished glomerular filtration rate (GFR) demonstrated excretion of the 33 kD peptide more frequently (91%) and never of the 80 kD peptide as compared with patients with normal GFR (33 kD [42%] 80 kD [87%]). The pattern of urinary GBM-related peptides was not specific for the underlying renal disease as in Alport's syndrome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00849249
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  • 4
    Electronic Resource
    Electronic Resource
    Atrial natriuretic peptide and sodium homeostasis in chronic renal failure (1989)
    Springer
    Pediatric nephrology 3 (1989), S. 397-400 
    Details
    ISSN: 1432-198X
    Keywords: Aldosterone ; Atrial natriuretic peptide ; Chronic renal failure ; Dopamine ; Noradrenaline ; Sodium homeostasis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In order to evaluate the possible role of vasoactive hormones in the mechanism of exaggerated sodium loss due to reduced renal mass we measured plasma concentration of atrial natriuretic peptide (ANP), aldosterone, plasma renin activity (PRA), plasma noradrenaline, and dopamine, in 12 children with advanced chronic renal failure (mean CIn17.8-2.6,x± SEM, CPAH93.5±17 ml/min per 1.73 m2, FENa7.0±0.95%). No patient had clinical signs of volume overload. Plasma concentrations of ANP were not significantly different from those of healthy agematched controls (29.2±7.2 vs 23.2±3.1 fmol/ml) and did not correlate with urinary sodium excretion. Plasma concentrations of aldosterone, PRA and noradrenaline, were also within the physiological range, while plasma dopamine levels were elevated (260±36 vs 98±11 pg/ml, 〈0.001). Our data do not support the notion that ANP or the renin-aldosterone axis play a major role in the adaptation of remaining nephrons to maintain long-term sodium balance in normotensive children with chronic renal failure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00850214
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  • 5
    Electronic Resource
    Electronic Resource
    Low-dose cyclosporin A therapy in cadaver renal transplantation in children (1989)
    Springer
    Transplant international 2 (1989), S. 203-208 
    Details
    ISSN: 1432-2277
    Keywords: Pediatric renal transplantation ; Cyclosporin, low-dose, in children ; Growth, cyclosporin, in kidney transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fifty-one pediatric patients undergoing a first cadaveric kidney transplantation were followed for at least 2 years after grafting. They were divided into two groups: those treated with methylprednisolone plus azathioprine (AZA) and those treated with methylprednisolone plus low-dose cyclosporin A (CyA; median dose 109 mg/m2 per day ≙ 3.4 mg/kg per day after 1 year). The steroid dosage given was significantly lower in the second group. The 4-year graft survival rate was 68% for the AZA group and 78% for the CyA group. Renal function did not differ significantly in the two groups; after 1, 2, and 3 years, the median 24-h creatinine clearance was 79, 69, and 51 ml/min/1.73 m2, respectively, for the AZA group and 78, 63, and 68 ml/min/1.73 m2, respectively, for the CyA group. Linear growth was similar in the two groups. We conclude that in pediatric patients the results of low-dose CyA immunosuppression do not differ significantly from those obtained with AZA in terms of graft survival, renal function, or growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02414535
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