ISBT WORKING PARTY ON RARE DONORS SPAIN Have a national Rare Donor - PowerPoint PPT Presentation

Nov 07, 2022 •151 likes •192 views

ISBT WORKING PARTY ON RARE DONORS SPAIN Have a national Rare Donor Program: Yes Number of Donors in Database: 781 Definition of Rare: We consider a phenotype to be rare when the phenotype frequency is 1 in 1000 donors or less. Number of Frozen

ISBT WORKING PARTY ON RARE DONORS SPAIN Have a national Rare Donor Program: Yes Number of Donors in Database: 781 Definition of Rare: We consider a phenotype to be rare when the phenotype frequency is 1 in 1000 donors or less. Number of Frozen Rare Cells: 681 How are Rare Donors found?: 1) Specific typing for some rare antigens; 2) Some donors were patients in the past; 3) Typing for the preparation of Panels of cells for screening and identification of erythrocyte antibodies. Number of Rare Donor units used per year: 2010: 48; 2011: 28; 2012 (January to June): 30
ISBT WORKING PARTY ON RARE DONORS SPAIN Shipping Outcome form used?: Shipping Form elaborated by the Spanish WP. The ISBT Form was introduced last year. Most difficult types to find: Ko McLeod Co(a-b-) Ge:-2, -3 Rh null RH17 Ge:-2 RH29 Cr(a-) LW(a-) In(b-) Sc:-1 At(a-) Lan- RH46 Jk:-3 P- I- U- We have a limited number of these phenotypes
ISBT WORKING PARTY ON RARE DONORS SPAIN • Other items of interest: We have had an acceptable level of traceability in the units provided as well as in the level of efficiency in recent years (89%). Nevertheless, further work is necessary to reinforce the habit of reporting the final destiny of the provided units. Although our Panel covers most the phenotypes with clinical importance, it has not been possible to include others with a very low frequency. The role of the ISBT Working Party is of paramount importance in coordinating the search for these very rare phenotypes with the different members (countries) of the WP .

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