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  • 1995-1999  (1)
  • 1975-1979  (1)
  • Keywords Non-insulin-dependent diabetes mellitus  (1)
  • Physics  (1)
  • Polymer and Materials Science  (1)
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  • 1
    ISSN: 1432-0428
    Schlagwort(e): Keywords Non-insulin-dependent diabetes mellitus ; impaired glucose tolerance ; specific insulin ; carotid artery stenosis ; epidemiology ; population-based survey ; Caucasians.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Cross-sectional associations between carotid artery stenosis (CAS) on the one hand, and parameters of glycaemia and specific insulin levels on the other, were investigated in an age, sex, and glucose tolerance stratified random sample from a 50–74-year-old Caucasian population. Subjects treated with insulin or oral hypoglycaemic agents were classified as having known diabetes mellitus (KDM) (n = 66). Using two oral glucose tolerance tests, and based on the World Health Organisation criteria, all other participants were classified as having a normal (NGT) (n = 287), an impaired (IGT) (n = 169) or a diabetic (NDM) (n = 106) glucose tolerance. CAS was defined haemodynamically using duplex scanning. The crude prevalences of only moderate (16–49 %) CAS were 6.6 %, 7.1 %, 5.7 % and 12.1 % in NGT, IGT, NDM and KDM subjects, respectively. For any severe ( ≥ 50 %) CAS, crude prevalences were 2.8 %, 4.7 %, 9.4 % and 7.6 %. The prevalence of any severe CAS was higher in NDM (p 〈 0.01) and KDM subjects (p = 0.07) than in NGT subjects. The prevalence of a history of stroke or transient ischaemic attack was 1.7 %, 1.8 %, 2.8 % and 1.5 % in NGT, IGT, NDM and KDM, respectively. In univariate logistic regression analysis, HbA1 c, serum fructosamine, fasting and 2-h post-load glucose were significantly associated with any severe CAS. In multivariate analyses controlling for other risk factors, only HbA1 c and 2-h post-load plasma glucose remained significantly associated (odds ratios: 1.29 per % and 1.09 per mmol/l, respectively) in separate models. No association could be shown between either fasting or 2-h post-load specific insulin and any severe CAS in either univariate or multivariate analyses. In conclusion, HbA1 c and 2-h post-load plasma glucose are independently associated with any severe CAS, whereas specific insulin is not. [Diabetologia (1997) 40: 290–298]
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Physics Edition 13 (1975), S. 835-850 
    ISSN: 0098-1273
    Schlagwort(e): Physics ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Notizen: A systematic study of the dispersion curves of the refractive indexes of nylon 6 yarns was made. The parameters were the draw ratio and strain. The measurements show that the dispersions of the refractive indexes n∥ and n⊥, parallel and perpendicular to the fiber axis, are equal, independently of draw ratio and strain. The average dispersion equals nF - nC = 109 × 10-4. Consequently, the birefringence is, within experimental accuracy, independent of the wavelength. The refractive indexes and the birefringence show a change in trend at 10-12% strain. This point corresponds to the yield strain in the stress-strain diagrams. The inference is that beyond the yield point the overall molecular orientation must increase less strongly with strain than before. An analysis shows that the Lorentz-Lorenz relation holds for the average refractive index n̄ = ⅓ (n∥ + 2n⊥). So the change in n̄ versus draw ratio is mainly due to the change in density. By applying the Lorentz-Lorenz relation to the change of n̄ on straining, a value of Poisson's ratio (μ) could be derived. The average value found for nylon 6 yarns was μ = 0.48, which means that the density hardly changes with strain.
    Zusätzliches Material: 8 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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