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Prevalence of Trypanosoma Cruzi antibodies in blood donors from the Sao Paulo State, Brazil, between 2012 and 2014.

Abstract American tripanosomiasis (Chagas disease), the second most neglected disease in the world, is caused by the protozoan parasite Trypanosoma cruzi. Though natural transmission by insect vectors has been controlled, there is significant risk of T. cruzi transmission by blood transfusion in non-endemic regions, generally due to immigration processes from endemic areas.
PMID
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Authors

Mayor MeshTerms

Blood Donors

Keywords
Journal Title journal of infection in developing countries
Publication Year Start




PMID- 28368863
OWN - NLM
STAT- MEDLINE
DA  - 20170403
DCOM- 20170417
LR  - 20170417
IS  - 1972-2680 (Electronic)
IS  - 1972-2680 (Linking)
VI  - 11
IP  - 3
DP  - 2017 Mar 31
TI  - Prevalence of Trypanosoma Cruzi antibodies in blood donors from the Sao Paulo
      State, Brazil, between 2012 and 2014.
PG  - 277-281
LID - 10.3855/jidc.8169 [doi]
AB  - INTRODUCTION: American tripanosomiasis (Chagas disease), the second most
      neglected disease in the world, is caused by the protozoan parasite Trypanosoma
      cruzi. Though natural transmission by insect vectors has been controlled, there
      is significant risk of T. cruzi transmission by blood transfusion in non-endemic 
      regions, generally due to immigration processes from endemic areas. METHODOLOGY: 
      The objective of this study was to evaluate anti-T. cruzi seroprevalence in blood
      donors from the western part of Sao Paulo State, Brazil, by serologic and
      immunofluorescence confirmation tests for the period between 2012 and 2014.
      Currently, this region is regarded as a non-endemic area for Chagas disease.
      RESULTS: The confirmed overall T. cruzi seroprevalence among blood donors was
      0.10%, which can be considered low compared to other Brazilian regions.
      Nevertheless, the distribution of the anti-T. cruzi antibodies within the
      examined region was uneven, and some areas of significantly higher prevalence
      were observed. CONCLUSIONS: We could consider two tendencies in the prevalence of
      T. cruzi: (i) residual older undiagnosed cases from Sao Paulo State, and (ii)
      immigration from endemic Brazilian or South American regions. The discordance
      obtained for T. cruzi prevalence by serologic and immunofluorescence methods
      demonstrates that more specific routine diagnosis is needed to diminish the cost 
      of the assays and the loss of blood supply once all seropositive blood bags are
      immediately discarded.
FAU - Slavov, Svetoslav Nanev
AU  - Slavov SN
AD  - Faculty of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto,
      Sao Paulo, Brazil. [email protected]
FAU - Otaguiri, Katia Kaori
AU  - Otaguiri KK
FAU - Pinto, Mariana Tomazini
AU  - Pinto MT
FAU - Valente, Vanderleia Barbaro
AU  - Valente VB
FAU - Ubiali, Eugenia Maria Amorim
AU  - Ubiali EM
FAU - Covas, Dimas Tadeu
AU  - Covas DT
FAU - Kashima, Simone
AU  - Kashima S
LA  - eng
PT  - Journal Article
DEP - 20170331
PL  - Italy
TA  - J Infect Dev Ctries
JT  - Journal of infection in developing countries
JID - 101305410
RN  - 0 (Antibodies, Protozoan)
SB  - IM
MH  - Adolescent
MH  - Adult
MH  - Aged
MH  - Antibodies, Protozoan/*blood
MH  - *Blood Donors
MH  - Brazil/epidemiology
MH  - Chagas Disease/*epidemiology
MH  - Female
MH  - Fluorescent Antibody Technique
MH  - Humans
MH  - Male
MH  - Middle Aged
MH  - Seroepidemiologic Studies
MH  - Serologic Tests
MH  - Trypanosoma cruzi/*immunology
MH  - Young Adult
EDAT- 2017/04/04 06:00
MHDA- 2017/04/18 06:00
CRDT- 2017/04/04 06:00
PHST- 2016/01/27 [received]
PHST- 2016/06/16 [accepted]
PHST- 2016/06/06 [revised]
PST - epublish
SO  - J Infect Dev Ctries. 2017 Mar 31;11(3):277-281. doi: 10.3855/jidc.8169.

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