Borelli SD, Mazzola JC, Matta ACG, Takemoto AY, Bértoli M. Blood discard rate and the prevalence of infectious and contagious diseases in blood donors from provincial towns of the state of Paraná, Brazil.
Rev Bras Hematol Hemoter 2014;
35:395-9. [PMID:
24478604 PMCID:
PMC3905820 DOI:
10.5581/1516-8484.20130126]
[Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2012] [Accepted: 12/18/2012] [Indexed: 11/27/2022] Open
Abstract
Background
So that an improvement in the selection of donors can be achieved and the risk to
the recipient of transfused blood can be reduced, prospective donors are submitted
to clinical and serological screening.
Objective
This study investigated the blood discard rate and the rate of infectious and
contagious diseases in blood donors from provincial towns of the state of Paraná,
Brazil.
Methods
This study was an exploratory cross-sectional descriptive investigation with a
quantitative approach of donations between January and December 2011.
Results
In the study period the Regional Blood center in Maringá, Brazil received 8337
blood donations from people living in the city and neighboring towns. However, 278
(3.33%) donations were discarded during serological screening owing to one or more
positive serological markers. A total of 46.4% of the discarded blood units were
confirmed positive by serology with anti-HBc being the most common (66.7%),
followed by syphilis (22.5%), HBsAg (4.7%), anti-hepatitis C virus (3.1%), human
immunodeficiency virus (1.5%) and Chagas' disease (1.5%). The rate of
infectious-contagious diseases that can be transmitted by blood transfusions was
1.55% (129/8337) of the donor population with a frequency of 1.03% for anti-HBc
and 0.35% for syphilis.
Conclusion
This study demonstrates a high prevalence of the anti-HBc marker in prospective
blood donors from provincial towns in the state of Paraná, Brazil.
Collapse