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Sökning: WFRF:(Thorstensen O)

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  • Thorstensen, O, et al. (författare)
  • MnDPDP enhancement in rabbit liver after intravenous bolus injection and slow infusion
  • 1997
  • Ingår i: Acta radiologica (Stockholm, Sweden : 1987). - : SAGE Publications. - 0284-1851 .- 1600-0455. ; 38:44 Pt 2, s. 717-723
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: To investigate the MR-enhancing effect of mangafodipir trisodium (MnDPDP, Teslascan) in the rabbit liver in relation to dose, mode of administration and imaging window. Material and Methods: MnDPDP was administered to 18 rabbits at a dose of 10 μmol/kg or 20 μmol/kg, as a bolus injection or infusion. MR imaging of the liver was performed at different time intervals. Results: Peak liver enhancement was typically observed 10–30 min after administration and the enhancement declined with a half-time of about 5 h. This pattern was observed in all sequences (SE 400/15, FLASH, and SE 132/10), with both doses and with both rates of administration. The peak enhancement was greater, though not significantly so after 20 μmol/kg than after 10 μmol/kg. A higher relative peak signal was observed with SE 132/10 than with FLASH or SE 400/15. Conclusion: A good liver imaging result was obtained after a dose of 10 μmol/kg, either bolus or infusion, 10–30 min post-contrast with heavily T1-weighted sequences.
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