A customer complained after obtaining what was described as discordant antibody screening, identification and/or cross-match results for three patients using the ortho biovue system in conjunction with an ortho vision biovue analyzer during a customer demonstration.Date of events: (b)(6) 2017.Complainants: (b)(6)¿ laboratory managers.Complaint reporter: (b)(6)¿ ortho laboratory specialist.Reported on (b)(6) 2017 by (b)(6) to (b)(6) who reported it to ortho care helpdesk on the same day.Reported on (b)(6) 2017 by (b)(6) to (b)(6) who reported it to ortho care helpdesk on (b)(6) 2017.Reagents: ortho biovue system poly cassette lot ahc613a expiry date 18 november 2017.Ortho biovue system poly cassette lot ahc615a expiry date 01 december 2017.0.8% surgiscreen lot 8ss9041 expiry date 13 june 2017.0.8% resolve panel a lot 8ra8030 expiry date 13 june 2017.Ortho bliss lot 280504 expiry date 13 february 2019.Software version: 4.8.0.Patient information: patient 1: known to have an anti-e(rh3) antibody.Patient 2: known to have a mix of anti-d(rh1) and anti-e(rh3) antibodies.Patient 3: known to have an anti-e(rh3) antibody.The customer reported that on (b)(6) 2017, during a customer demonstration, they had tested a sample from patient 1 for antibody identification in iat using 0.8%resolve panel a lot 8ra8030 and ortho biovue system poly cassette lot ahc613a in conjunction with their ortho vision biovue analyzer and that they had obtained negative reactions with the 11 cells of the red cell reagent.The customer reported they could not identify the anti-e(rh3) antibody.The customer reported that on the same day, they had tested this same sample from patient 1 for major cross-match testing with a donor known to be e(rh3) antigen positive using ortho biovue system poly cassette lot ahc613a and ortho bliss lot 280504 in conjunction with their ortho vision biovue and that they had obtained an unexpected negative/compatible reaction.The customer reported that on (b)(6) 2017, they had tested a sample from patient 2 for antibody identification in iat using the same reagents and analyzer and that they had obtained positive reactions (3+ reaction strength) with cells 1, 2, 3, 4 and 11 and negative reactions with the other 6 cells of the red cell reagent.The customer reported they could not identify the anti-e(rh3) antibody but only the anti-d(rh1) antibody.The customer reported that on (b)(6) 2017, they had tested a sample from patient 3 for antibody screening in iat using 0.8%surgiscreen lot 8ss9041 and ortho biovue system poly cassette lot ahc615a in conjunction with their ortho vision biovue analyzer and that they had obtained negative reactions with the 3 cells of the red cell reagent.The customer reported they could not detect the anti-e(rh3) antibody.The customer reported that the 3 samples tested had given positive results with an alternative commercially available method (bio-rad).No further detail was provided.The customer reported that no biased result had been reported to a physician.The customer reported that no patient had been harmed as a result of the reported events.
|