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  • 1
    Electronic Resource
    Electronic Resource
    Body fluid compartment changes following cardiopulmonary bypass in dogs (1988)
    Springer
    Pediatric surgery international 3 (1988), S. 351-353 
    Details
    ISSN: 1437-9813
    Keywords: Body fluid compartments ; Cardiopulmonary bypass ; Perfusion systems TBW (percent of body weight) rose significantly
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To investigate whether pulsatile perfusion affects postoperative edema, we examined weight, total body water (TBW), and extracellular fluid (ECF) following cardiopulmonary bypass (CPB) in dogs using three different perfusion systems. Fourteen dogs were divided into three groups differing only in the perfusion system used: Sarns nonpulsatile and pulsatile roller pumps and a University of Texas pulsatile pump. Weight, TBW, and ECF were measured preoperatively and on postoperative days (POD) 1, 3, and 7. No significant differences were seen in body weight, TBW, or ECF between groups. Body TBW (percent of body weight) rose significantly (P=0.005) to 72% on POD 3 and 7. ECF (percent of body weight) rose to 58% by POD 7 (P=0.008). These three perfusion systems produced no differences in the pattern of postoperative body fluid distribution after CPB, suggesting that there is no advantage to pulsatile perfusion for the purpose of decreasing postoperative edema.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00189175
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Impedance characteristics of three-phase electrodes on solid electrolytes (1989)
    Springer
    Applied physics 49 (1989), S. 111-116 
    Details
    ISSN: 1432-0630
    Keywords: 82.45 ; 85.80 ; 82.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Previously obtained theoretical expressions for the impedance associated with the diffusion of neutral species through a permeable electrode and along the electrode/electrolyte interface are discussed as they apply to gas electrodes on solid electrolytes. A new result, describing diffusion under circular electrode contacts, is obtained. Representative impedance-plane, admittance-plane and Bode-type plots are given for each theoretical model. The effects of rate-controlling adsorption-desorption exchange with the gas phase are considered, as is the applicability of the idealized theoretical models to irregular electrodes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615473
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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