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  • 1995-1999  (2)
  • Aerosol  (1)
  • Bartter’s syndrome  (1)
  • 1
    Digitale Medien
    Digitale Medien
    A case of neonatal Bartter’s syndrome (1996)
    Springer
    Pediatric nephrology 10 (1996), S. 414-418 
    Details
    ISSN: 1432-198X
    Schlagwort(e): Key words: Prostaglandins ; Tamm-Horsfall protein ; Bartter’s syndrome ; Captopril
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. We describe a child with a neonatal presentation of Bartter’s syndrome. Unlike infants previously described with a similar clinical presentation, the urinary excretion rate of prostaglandin E2 in this child was similar to normal children and Tamm-Horsfall protein was distributed normally in the thick ascending limb of the loop of Henle. The child failed to respond to indomethacin alone, but thrived after the addition of the angiotensin converting enzyme inhibitor, captopril.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s004670050131
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  • 2
    Digitale Medien
    Digitale Medien
    Technegas and Pertechnegas particle size distribution (1995)
    Springer
    European journal of nuclear medicine 22 (1995), S. 473-476 
    Details
    ISSN: 1619-7089
    Schlagwort(e): Technegas ; Pertechnegas ; Lung ; Particle size ; Aerosol
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Technegas and Pertechnegas are radioactive aerosols produced in a commercial generator and used for lung scintigraphy. The aerosols are produced by first evaporating to dryness standard technetium-99m generator eluate (99m-TcO4 in normal saline) in a graphite crucible (thesimmer stage) and then heating this to 2500° C (the „burn” stage). The aim of this work was to measure the particle size distributions of these agents and relate this to regional lung deposition. Factors that may vary during production of the aerosol in routine use were investigated to determine whether they influenced the particle size. Activity size distributions were measured using a serial wire-screen diffusion battery. The Technegas size distribution was approximately log-normal with an activity median diameter of 158 nm and a geometric standard deviation of 1.5. The results for Pertechnegas were similar. The median size increased with the number of simmers and with the time from generation. The increase in size with the number of simmers is thought to be due to the increased salt content in the crucible prior to the „burn”. The predicted lung deposition is 37% in the alveolar region and 5% in the bronchial region. Significant changes in deposition are not predicted over the range of particle sizes measured.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00839062
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