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  • 1995-1999  (1)
  • 1980-1984  (4)
  • 1970-1974
  • Engineering  (3)
  • Antibiotic prophylaxis  (2)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Urological research 11 (1983), S. 207-210 
    ISSN: 1434-0879
    Schlagwort(e): Netilmicin ; Antibiotic prophylaxis ; Aminoglycosides ; Renal stone surgery
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Following surgery for the removal of intrarenal calculi 30% of patients will develop severe wound complications. This study assesses the role of a short course of netilmicin given over the operative period, in 20 consecutive patients. Preoperative studies demonstrated that whilst 20% of patients had bacterial growth in the urine, culture of the removed calculus demonstrated that 50% of the stones exhibited a significant bacterial growth. Of the 20 patients, only one developed a wound complication. Following the preoperative dose, satisfactory netilmicin levels were obtained and no patient had levels 〉1 μg ml-1 by 7 h. Despite some degree of renal impairment, serum urea and creatinine values were unaffected.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Urological research 12 (1984), S. 279-281 
    ISSN: 1434-0879
    Schlagwort(e): Antibiotic prophylaxis ; Transurethral resection of prostate
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary 65 men undergoing elective transurethral resection of the prostate under the care of one urologist entered a randomised controlled trial using Cefuroxime. Patients were excluded if they had received antibiotics in a 2 week period before surgery, if they had positive pre-operative urine cultures or if they had been catheterised. 58 patients completed the study. One patient in the antibiotic group and 2 in the control group developed urinary infection. The overall infection rate was 5.17%. The control and antibiotic groups were comparable as regards age and the duraction of resection. One patient in the antibiotic group developed an allergic reaction. It is felt that routine antibiotic prophylaxis in patients with sterile urine undergoing elective TUR is unnecessary.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 39 (1996), S. 1383-1403 
    ISSN: 0029-5981
    Schlagwort(e): crashworthiness ; homogenization ; topology design ; automotive structure optimization ; Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Mathematik , Technik allgemein
    Notizen: The topological optimization of components to maximize crash energy absorption for a given volume is considered. The crash analysis is performed using a DYNA3D finite element analysis. The original solid elements are replaced by ones with holes, the hole size being characterized by a so-called density (measure of the reduced volume). A homogenization method is used to find elastic moduli as a function of this density. Simpler approximations were developed to find plastic moduli and yield stress as functions of density.Optimality criteria were derived from an optimization statement using densities as the design variables. A resizing algorithm was constructed so that the optimality criteria are approximately satisfied. A novel feature is the introduction of an objective function based on strain energies weighted at specified times. Each different choice of weighting factors leads to a different structure, allowing a range of design possibilities to be explored.The method was applied to an automotive body rear rail. The original design and a new design of equal volume with holes were compared for energy absorption.
    Zusätzliches Material: 25 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    New York, NY [u.a.] : Wiley-Blackwell
    International Journal for Numerical and Analytical Methods in Geomechanics 8 (1984), S. 141-155 
    ISSN: 0363-9061
    Schlagwort(e): Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Architektur, Bauingenieurwesen, Vermessung , Geologie und Paläontologie
    Notizen: The stress and deformation resulting from rapidly applied axial traction on the face of a cylindrical cavity in a saturated soil are analysed. A simple rate-type constitutive model is used for the effective stress response.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    New York, NY [u.a.] : Wiley-Blackwell
    International Journal for Numerical and Analytical Methods in Geomechanics 8 (1984), S. 125-140 
    ISSN: 0363-9061
    Schlagwort(e): Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Architektur, Bauingenieurwesen, Vermessung , Geologie und Paläontologie
    Notizen: An analytical solution for rapid (undrained) expansion of a long cylindrical cavity from initially zero radius is presented. A simple rate-type soil model possessing the salient features of the modified Cambridge critical state model is used. Application of the solution to determination of the stress field surrounding a pile immediately after driving is discussed.
    Zusätzliches Material: 9 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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