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Cytometry. the journal of the International Society for Analytical Cytology. Part A, v.83 no.12, 2013년, pp.1066 - 1072
Solly, Françoise (Hematology Laboratory, CHU St Etienne, St Priest en Jarez, France) , Rigollet, Lauren (Hematology Laboratory, CHU St Etienne, St Priest en Jarez, France) , Baseggio, Lucille (Hematology Laboratory, CHU Lyon, France) , Guy, Julien (Hematology Laboratory, CHU Dijon, France) , Borgeot, Jessica (Hematology Laboratory, CHU Dijon, France) , Guérin, Estelle (Hematology Laboratory, CHU Limoges, France) , Debliquis, Agathe (Hematology Laboratory, CH Mulhouse, France) , Drenou, Bernard (Hematology Laboratory, CH Mulhouse, France) , Campos, Lydia (Hematology Laboratory, CHU Limoges, France) , Lacombe, Francis (Hematology Laboratory, CHU Bordeaux, France) , Béné, Marie C. (Hematology Laboratory, CHU Nantes, France)
AbstractFlow cytometry (FC) instruments settings classically rely on local establishment of photomultipliers (PMT) voltages adapted to the measurements expected to be performed. In the era of multiparameter FC (MFC), it appears more and more desirable that comparable patterns of fluorescence are obtained in different settings. This relies on a harmonization of settings between instruments. Although this has been shown to be feasible within a given brand of flow cytometers, little information is available about broader comparisons in a given center or in a multicenter fashion. Here, we report a two‐phase series of experiments first performed between a Canto II (BD Biosciences) and a Navios (Beckman Coulter) instruments in the same center. PMT values adjusted on the reference instrument (RI) Canto II were used to establish target values for PMT settings on the paired Navios practice instrument (PI). This allowed to show the good correlation of all but peaks 1 and 2 of Rainbow® beads between RI and PI. Using 4‐ or 8‐color stained leukocytes, the similitude of the settings was further confirmed. A complex set of matrices was then established between five centers all equipped with both instruments. Using Bland & Altman difference comparisons for median fluorescence values, it was shown that using either Rainbow beads or CD16 stained polymorphonuclears to set‐up target values on the RI CantoII, highly superimposable results could be obtained on all 9 PI. The latter were obtained using Rainbow beads or Compbeads® for comparisons. In summary, this two‐phase study demonstrates the feasibility of different methods allowing for a robust harmonization of settings for MFC. © 2013 International Society for Advancement of Cytometry
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