ISBT WORKING PARTY ON RARE DONORS USA American Rare Donor Program - PowerPoint PPT Presentation

Jan 23, 2023 •157 likes •230 views

ISBT WORKING PARTY ON RARE DONORS USA American Rare Donor Program (ARDP)- in 2011 - 82 members 51,576 rare donors in database Shipped 2131 rare units; 16 international Members maintain inventories; respond to requests ISBT WORKING PARTY ON

ISBT WORKING PARTY ON RARE DONORS USA American Rare Donor Program (ARDP)- in 2011 - 82 members 51,576 rare donors in database Shipped 2131 rare units; 16 international Members maintain inventories; respond to requests
ISBT WORKING PARTY ON RARE DONORS USA Rare criteria: – Negative for high-incidence antigen (<1/1000) – Negative for multiple common antigens Set 1 — R 1 , R 2 , R 0 , rr; K-; Fy(a-) or Fy(b-); Jk(a-) or Jk(b-), S- or s- Set 2 — R 1 , R 2 , rr; K-; Fy(a-b-) – IgA deficient--<0.05mg/dL
ISBT WORKING PARTY ON RARE DONORS USA Rare donor identification – Members screen donors according to ethnicity, geographic location, etc---Tube, automation, molecular – Antibody-positive donor on collection – Antibody-positive patient; sibling testing Shipping Outcome form--international shipments; developing form for national shipments
ISBT WORKING PARTY ON RARE DONORS USA % Unfilled Requests --2011 100 90 80 70 60 50 40 30 20 10 0
ISBT WORKING PARTY ON RARE DONORS USA • Use of molecular testing – High-throughput platforms to screen donors – 2011--screened 17,750 donors* – Gene sequencing to characterize hr B – , hr S – , U – and U var+ donors and patients – Molecular test results to ‘match’ donors with patients * Data courtesy of Margaret Keller, National Molecular Laboratory, American Red Cross
ISBT WORKING PARTY ON RARE DONORS USA Number of Rare Donors Found Through Screening by Molecular — 2011 * N = 17,750 Rare Phenotype # Donors possible hr B - 489 Jo(a-) 102 Js(b-) 59 S-s-U var+ 49 S-s-U- 33 Jo(a-) Hy- 24 Lu(b-) 13 Co(a-) 3 Di(b-) 1 * Data courtesy of Margaret Keller, National Molecular Laboratory, American Red Cross

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