Prevention of multiple whole blood donations by an individual at the same month through the creation of a national Deferred Donor Registry (DDR)

Abstract

INTRODUCTION: The Colombian National Institute of Health administers the National Information System of Haemovigilance (SIHEVI-INS). Today, SIHEVI-INS constitutes a national blood donor and recipient database, which contains a national deferred donor registry (DDR), allowing blood banks to take acceptance or rejection decisions of a potential donor in real time. The study aimed to determine the rate of people who have made more than one whole blood donation monthly in Colombia, violating the national guideline of intervals between donations (three months for men and four for women), since DDR implementation. METHODS: We detected the unique personal identification number of people who, in 30 calendar days, made more than one whole blood donation at any of the 83 blood banks set up in Colombia. There were three comparison periods: 01/01/2018-08/31/2019 (launch of SIHEVI-INS and first national feedback); 09/01/2019-12/31/2020 (second feedback) and 01/01/2021-09/30/2022 (massive incorporation of web services). RESULTS: For the first period, blood banks accepted 18.0 donations per 1000 people. There was a rate of 28.8 people/10,000 donations who had donated whole blood twice within 30 days. In the second period, there were 17.0 donations/1000 people and a rate of 2.1 people/10,000 donations (OR:14.0 CI95 %:12.2-16.0). For the last period, there were 18.2 donations/1000 people and a rate of 0.9 individuals/10,000 donations (OR:31.3 CI95 %:26.6-36.9, p < 0.001). CONCLUSION: DDR reduced by 31 times the acceptance of blood donors who made more than one whole blood donation in the same month. It was necessary to provide periodic feedback and promote web service implementation to reduce this risky behavior.

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