Resumo

RAVE ZULUAGA, Didier Yesid; RENDON CASTRILLON, Luz Elena  e  CALVO BETANCUR, Víctor Daniel. VOLUNTEER AND REPLACEMENT SEROREACTIVITY DONOR IN THE MUNICIPALITY OF RIONEGRO, ANTIOQUIA. Univ. Salud [online]. 2011, vol.13, n.2, pp.43-49. ISSN 0124-7107.

In Colombia there is still a large percentage of replacement blood donors. The biggest challenge in security raises blood banks today is to reverse this trend, but replacement donors cannot be dismissed, instead they have to be thoroughly evaluated and directed to do their act of solidarity with responsibility and sincerity. Objective: To determine the prevalence of zero-reactivity in volunteer and replacement donors. Materials and Methods: A retrospective and observational study of 209 zero-reactive samples confirmed by a reference laboratory in 34414 samples during the period 2005 to 2010 in a reference hospital of east Antioquia. Results: From a total of 34414 blood samples, 0.6% was reactive. The following characteristics were found: 58.6% were voluntary donors, the average age was 38.6±12.4, without significant differences by gender and donor type (p>0.05). The most prevalent infection detected was syphilis with 74.5% (n = 155), followed by hepatitis B with 13% (n = 27). No significant differences were found between the donor and the replacement voluntary donor according to zero-reactivity (p> 0.05). Conclusions: It is shown that six of every thousand donors' tests were positive for any of the five infectious diseases screened. It is surprising the high prevalence of zero-reactivity for syphilis (three out of four donors). Greater HIV zero-reactivity was found in male volunteer donors.

Palavras-chave : Blood donors; zero-reactivity; voluntary donors; replacement donors; transmissible diseases.

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