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  • 1
    ISSN: 1433-0563
    Keywords: Schlüsselwörter Transurethrale Prostataresektion ; Bakterielle Prostatitis ; Nosokomiale Harnwegsinfektion ; Keywords Transurethral prostatectomy ; Bacterial prostatitis ; Nosocomial urinary tract infection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Nosocomial urinary tract infections (UTI) are frequent complications after transurethral prostatectomy. The resection itself, postoperative catheterization and the prostate are possible causes of these infections. In this prospective study we investigated the influence of bacterial prostatic colonization on the incidence of postoperative urinary tract infections and inflammatory complications. In 78 patients we observed in 42 cases (53,8%) a bacterial prostatitis. In 14 patients (17,9%) we found nosocomial UTI's and in 12 patients (15,4%) inflammatory complications. The incidence of postoperative UTI's increase significantly in patients with positive prostate-cultures. On the other hand we only found corresponding prostate- and postoperative urine-cultures in less than 50%. The presented data are not sufficient to conclude the kind of relevance of bacterial prostatic colonization for postoperative UTI's in transurethral prostatectomy. Under consideration of the significant increase of nosocomial UTI's in patients with positive prostate cultures a perioperative antibiotic prophylaxis seems to be required in general.
    Notes: Zusammenfassung Nosokomiale Harnwegsinfektionen gehören zu den häufigsten postoperativen Komplikationen nach transurethralen Prostataresektionen. Als Ursachen dieser Infektionen kommen der operative Eingriff, die postoperative Harnableitung, aber auch die Prostata selbst in Frage. Im Rahmen dieser prospektiven Studie wurde untersucht, welchen Einfluß eine bereits präoperativ bestehende bakterielle Prostatabesiedlung auf die Rate postoperativer Harnwegsinfektionen bzw. entzündlicher Komplikationen hat. Bei 78 Patienten fanden sich in 42 Fällen (53,8%) positive Prostatakulturen der untersuchten Prostatresektate. Bei 14 Patienten (17,9%) entwickelte sich ein nosokomialer Harnwegsinfekt, bei 12 Patienten (15,4%) postoperative entzündliche Komplikationen. Die Rate postoperativer Harnwegsinfektionen war bei Patienten mit positiven Prostatakulturen signifikant erhöht. Allerdings ließen sich nur in weniger als 50% Übereinstimmungen zwischen Prostata- und postoperativen Urinkulturen finden. Die vorliegenden Daten lassen keine eindeutigen Schlüsse über die Relevanz der bakteriellen Prostatabesiedlung für postoperative Harnwegsinfektionen nach TURP zu. Auf Grund der signifikanten Häufung dieser Infektionen bei positiven Prostatakulturen halten wir jedoch generell eine perioperative antibiotische Prophylaxe für erforderlich.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-1: Polymer Chemistry 9 (1971), S. 2137-2146 
    ISSN: 0449-296X
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A series of ferrocene-containing polymeric azines and polymeric Schiff bases have been synthesized by means of acid-catalyzed solution polycondensations. The molecular structures of the polymers synthesized have been determined, and information concerning their thermal behavior has been obtained. Comparative thermal stabilities of the products of polymerization of aliphatic and aromatic diamines with 1,1′-diformylferrocene and 1,1′-diacetylferrocene were investigated by thermogravimetric analysis both in air and in an inert atmosphere. In the inert atmosphere, initial weight loss due to thermal stress did not occur below 300°C in all cases, and in many cases 50-70% residue of polymer sample remained at 700°C. The use of a fluorinated diamine led to the synthesis of a polymer which did not exhibit any significant enhancement of thermal properties. Investigation of the polymer products by direct inlet mass spectroscopy led to the observation that several of the systems contained significant amounts of cyclic dimers, although linear polymers were the major products in most cases. Extraction of the cyclic dimers followed by molecular weight determination by vapor phase osmometry confirmed their molecular structures.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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