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  • 1
    Digitale Medien
    Digitale Medien
    Normal right ventricular systolic and diastolic function assessed by krypton-81m equilibrium ventriculography (1993)
    Springer
    The international journal of cardiovascular imaging 9 (1993), S. 257-264 
    Details
    ISSN: 1573-0743
    Schlagwort(e): krypton-81m ; radionuclide ventriculography ; right ventricular function
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Krypton-81m equilibrium ventriculography was used to study right ventricular function in 23 healthy male volunteers. Technetium-99m lung perfusion scintigraphy was employed to subtract radionuclide activity within lung during image analysis thereby enhancing image quality. The imaging technique was used to generate a time-activity curve for the right ventricle allowing the definition of indices of normal systolic and diastolic function for the right ventricle. At rest, indices of systolic ejection and diastolic filling were comparable to those previously reported for the left ventricle. Using this imaging technique, movement artifact during exercise reduces image quality and limits accurate measurement of these indices to resting studies.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01137152
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    81mKr equilibrium radionuclide ventriculography for the assessment of right heart function (1990)
    Springer
    European journal of nuclear medicine 16 (1990), S. 89-95 
    Details
    ISSN: 1619-7089
    Schlagwort(e): 81mKr ; Radionuclide ventriculography ; Right ventricular function
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Right heart81mKr equilibrium radionuclide ventriculography was used to derive right ventricular ejection fraction (RVEF) in 12 healthy male volunteers. Anatomical lung subtraction using99mTc-MAA perfusion scintigraphy was compared with conventional background correction and the effect of imaging projection on the techniques of image analysis evaluated. Both intra and inter observer variability were reduced by anatomical lung subtraction when compared to conventional background correction. In the right anterior oblique (RAO) projection, background corrected RVEF was lower than lung subtracted RVEF - 0.544 ±0.05 and 0.612±0.08 (mean ± SD) (P〈0.02). Lung subtracted RVEF in the anterior projection was lower than that with background correction (P〈0.05) and lower than lung subtracted RVEF in the RAO projection (P 〈 0.001). We conclude that optimal separation of right heart structures is achieved in the RAO projection and that reproducibility of the analytical technique is improved by anatomical lung subtraction.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01465916
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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