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Revista Virtual de la Sociedad Paraguaya de Medicina Interna

On-line version ISSN 2312-3893


ESCOBAR AMARILLA, Melissa Noemi; MONTIEL, Carmen Raquel  and  GALEANO, Ignacio Ortiz. Reactive serologies in donors from the Blood Bank of the Hospital de Clínicas, Paraguay. Rev. virtual Soc. Parag. Med. Int. [online]. 2021, vol.8, n.1, pp.85-93. ISSN 2312-3893.


Transfusion-transmissible infections are a complication, causing morbidity and mortality in blood and blood derivatives recipients.


To determine the prevalence of reactive serologies and the association with the sociodemographic characteristics of the donors of the Blood Bank of the Hospital de Clínicas from San Lorenzo, in 2018.

Material and method:

Observational, descriptive, retrospective, cross-sectional design, with non-probabilistic sampling of consecutive cases. Donors from the Blood Bank of the Hospital de Clínicas were included from January to December 2018. Demographic variables (age and sex), the presence or absence of reactive serologies for hepatitis B and C, HIV, Chagas disease, HTLV I-II and Treponema pallidum were measured.


The global prevalence of reactive serologies in donors was 2.78%. Of the 278 donors included in the study, 66.91% were male, the mean age was 40.89±11 years. The most frequent positive serologies were: hepatitis B 53.96%, Chagas disease 34.89% and syphilis 20.14%. There was an association between female sex and hepatitis C (p 0.001), donor origin and positive serology for Chagas disease (p 0.005), hepatitis C (p 0.001) and Treponema pallidum (p 0.04).


Reactive serologies in donors from the Hospital de Clínicas Blood Bank was 2.78%. The most prevalent ones were hepatitis B, Chagas disease and Treponema pallidum and were associated with sociodemographic variables.

Keywords : hepatitis B; hepatitis C; Chagas disease; syphilis; blood transfusion; blood donors..

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