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  • 1995-1999  (5)
  • 1945-1949
  • 1870-1879
  • 1995  (5)
  • 1
    Electronic Resource
    Electronic Resource
    Tumor induction and prophylaxis following different forms of intestinal urinary diversion in a rat model (1995)
    Springer
    Urological research 23 (1995), S. 365-370 
    Details
    ISSN: 1434-0879
    Keywords: Urinary diversion ; Carcinoma induction ; Carcinoma prophylaxis ; Ileal interposition ; Urointestinal anastomosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Eighty Wistar rats were randomized into two groups. In group 1 vesicosigmoidostomy with proximal colostomy was performed, in group 2, vesicosigmoidostomy. The total tumor incidence did not differ significantly (group 1 10/40, 25%; group 2 13/40, 32.5%). The tumor spectrum differed, with more adenocarcinomas in group 2 (11/40, 27.5% vs 4/40, 10%;P=0.047) and urothelial carcinomas only in group 1 (5/40, 2.5%). One hundred and ten other Wistar rats were randomized into three groups. Animals in group A received vesicoileosigmoidostomy, group B, two-step vesicosigmoidostomy with initial separation of urine and the urocolonic anastomosis, group C, vesicosigmoidostomy. Significantly fewer adenocarcinomas were observed in group A (2/40, 5%) than in group B (16/40, 40%,P〈0.002) and group C (9/30, 30%;P〈0.007). These results indicate a similar cancer risk in all continent forms of urinary diversion, at least via colon. Ileal interposition seems to be an effective carcinoma prophylaxis following ureterosigmoidostomy. The proliferative instability at the urointestinal anastomosis is crucial for the pathogenesis and prophylaxis of this form of carcinogenesis, whereas urine seems to play only a minor role.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00698735
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Pregnancies in women with diabetic nephropathy: long-term outcome for mother and child (1995)
    Springer
    Diabetologia 38 (1995), S. 227-235 
    Details
    ISSN: 1432-0428
    Keywords: Key words Diabetes mellitus ; nephropathy ; pregnancy.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In order to improve the basis upon which to advise women with diabetic nephropathy about pregnancy, we studied the effect of diabetic nephropathy on the course of pregnancy, perinatal outcome, infant development and long-term outcome of the mothers. All pregnancies of women with diabetic nephropathy (defined as proteinuria 〉 400 mg/day (n = 26), creatinine clearance 〈 80 ml/min and hypertension in the first trimester (n = 10) ) followed at our centre from 1982 to 1992 were identified (34 White class F and 2 White class T) and the women and their children re-examined in the spring 1993. From the first to the third trimester the percentage of women with proteinuria over 3 g/day increased from 14 to 53 % and those treated with antihypertensive medication from 53 to 97 %. There were no intrauterine or perinatal deaths, but one child died suddenly 4 weeks postpartum. Of 36 newborns (gestational week at birth 36(3), birth weight 2384(834) g) ), 11 were born before week 34 and 8 had respiratory distress syndrome. Renal function in the first trimester, diastolic blood pressure in the third trimester and an HbA1c above normal were predictive of gestational age at delivery and low birth weight (stepwise regression analysis). At follow-up of the children (n = 35, age 4.5 (0.4–10) years) the majority (n = 27) were normally developed but seven had psychomotor retardation (four of them major). One child had a severe motor retardation due to a congenital anomaly. At follow up, 21 of the 29 mothers had preserved renal function (creatinine 1.3 (0.8–4.3) mg/dl and 8 had developed end stage renal disease and required dialysis (2 of whom were White class T) within 3 (1–9) years postpartum. Of those, 4 women (3 White F and 1 White T) had died. Pregnancy did not seem to specifically accelerate the rate of decline of renal function. In women with diabetic nephropathy perinatal mortality can be prevented but perinatal and long-term infant morbidity remains elevated. Women with severely impaired renal function before pregnancy are at risk for serious morbidity when their children are still young. Improvement might be made if all women were to receive specialized care and counselling before, throughout and after pregnancy. [Diabetologia (1995) 38: 227–235].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00400099
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Pregnancies in women with diabetic nephropathy: long-term outcome for mother and child (1995)
    Springer
    Diabetologia 38 (1995), S. 227-235 
    Details
    ISSN: 1432-0428
    Keywords: Diabetes mellitus ; nephropathy ; pregnancy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In order to improve the basis upon which to advise women with diabetic nephropathy about pregnancy, we studied the effect of diabetic nephropathy on the course of pregnancy, perinatal out-come, infant development and long-term outcome of the mothers. All pregnancies of women with diabetic nephropathy (defined as proteinuria 〉400 mg/day (n=26), creatinine clearance 〈80 ml/min and hypertension in the first trimester (n=10)) followed at our centre from 1982 to 1992 were identified (34 White class F and 2 White class T) and the women and their children re-examined in the spring 1993. From the first to the third trimester the percentage of women with proteinuria over 3 g/day increased from 14 to 53% and those treated with anti-hypertensive medication from 53 to 97%. There were no intrauterine or perinatal deaths, but one child died suddenly 4 weeks postpartum. Of 36 new-borns (gestational week at birth 36(3), birth weight 2384(834) g)), 11 were born before week 34 and 8 had respiratory distress syndrome. Renal function in the first trimester, diastolic blood pressure in the third trimester and an HbA1c above normal were predictive of gestational age at delivery and low birth weight (stepwise regression analysis). At follow-up of the children (n=35, age 4.5 (0.4–10) years) the majority (n=27) were normally developed but seven had psychomotor retardation (four of them major). One child had a severe motor retardation due to a congenital anomaly. At follow up, 21 of the 29 mothers had preserved renal function (creatinine 1.3 (0.8–4.3) mg/dl and 8 had developed end stage renal disease and required dialysis (2 of whom were White class T) within 3 (1–9) years postpartum. Of those, 4 women (3 White F and 1 White T) had died. Pregnancy did not seem to specifically accelerate the rate of decline of renal function. In women with diabetic nephropathy perinatal mortality can be prevented but perinatal and long-term infant morbidity remains elevated. Women with severely impaired renal function before pregnancy are at risk for serious morbidity when their children are still young. Improvement might be made if all women were to receive specialized care and counselling before, throughout and after pregnancy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00400099
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    EASD news section (1995)
    Springer
    Diabetologia 38 (1995), S. 53-56 
    Details
    ISSN: 1432-0428
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00400625
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Microstructure and mechanical characteristics of alpha-alumina-based fibres (1995)
    Springer
    Journal of materials science 30 (1995), S. 4215-4225 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The high-temperature mechanical behaviour of alumina-based ceramic fibres has been investigated by the comparison of a dense pure alumina fibre, a porous pure alumina fibre and a zirconia-reinforced dense fibre. Tensile and creep tests have been conducted up to 1300°C in air in parallel with microstructural investigations on the as-received and tested fibres. Room-temperature behaviour of the fibres is close to that of bulk materials having the same microstructure, but the fibre form allows higher failure stresses to be attained. High-temperature deformation of the three fibres is achieved by grain-boundary sliding ( $$\dot \varepsilon \propto \sigma ^2 $$ ), and is accompanied by isotropic grain growth. The specific microstructures of each fibre induce differences in the creep threshold levels as a function of temperature and stress and also in creep rates and resistance to damage. Despite better resistance to creep and damage of the zirconia-reinforced fibre, alumina-based fibres are limited to applications below 1100°C. Grain boundaries are the principal cause of mechanical degradation at high temperature with these fibres.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00361500
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    Paper (German National Licenses)
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