Daily fluctuation of levels of circulating cathodic antigen in urine of children infected with Schistosoma mansoni in Brazil

Disch, J.; Garcia, M.M.A.; Krijger, G.W.; Amorim, M.N.; Katz, N.; Deelder, A.M.; Gryseels, B.; Rabello, A.

doi:10.1016/S0035-9203(97)90233-9

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Daily fluctuation of levels of circulating cathodic antigen in urine of children infected with Schistosoma mansoni in Brazil

J. Disch

Laboratorio de Esquistossomose, Centro de Pesquisas ‘René Rachou’, Fundação Oswaldo Cruz-FIOCRUZ, Avenida Augusto de Lima 1715, CEP 3019-002, Caixa Postal 1743, Belo Horizonte (MG), Brazil

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Address for correspondence: J. Disch, Laboratório de Esquistossomose, Centro de Pesquisas ‘René Rachou’, Fundação Oswaldo Cruz-fiocruz, Avenida Augusto de Lima 1715, CEP 3019-002, Caixa Postal 1743, Belo Horizonte (MG), Brazil; phone +55 (0)31 295 3566 (ext. 143), fax +55 (0) 31 295 3115.

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J. Disch

M.M.A. Garcia

Laboratorio de Esquistossomose, Centro de Pesquisas ‘René Rachou’, Fundação Oswaldo Cruz-FIOCRUZ, Avenida Augusto de Lima 1715, CEP 3019-002, Caixa Postal 1743, Belo Horizonte (MG), Brazil

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M.M.A. Garcia

G.W. Krijger

Laboratory of Parasitology, Medical Faculty, University of Leiden, P.O. Box 9605, 2300 RC Leiden, The Netherlands

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G.W. Krijger

M.N. Amorim

Laboratorio de Esquistossomose, Centro de Pesquisas ‘René Rachou’, Fundação Oswaldo Cruz-FIOCRUZ, Avenida Augusto de Lima 1715, CEP 3019-002, Caixa Postal 1743, Belo Horizonte (MG), Brazil

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M.N. Amorim

N. Katz

Laboratory of Parasitology, Medical Faculty, University of Leiden, P.O. Box 9605, 2300 RC Leiden, The Netherlands

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N. Katz

A.M. Deelder

Laboratory of Parasitology, Medical Faculty, University of Leiden, P.O. Box 9605, 2300 RC Leiden, The Netherlands

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A.M. Deelder

B. Gryseels

Institute for Tropical Medicine ‘Prins Leopold’, Nationalestraat 155, 2000 B Antwerpen, Belgium

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B. Gryseels

A. Rabello

Laboratorio de Esquistossomose, Centro de Pesquisas ‘René Rachou’, Fundação Oswaldo Cruz-FIOCRUZ, Avenida Augusto de Lima 1715, CEP 3019-002, Caixa Postal 1743, Belo Horizonte (MG), Brazil

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A. Rabello

Transactions of The Royal Society of Tropical Medicine and Hygiene, Volume 91, Issue 2, 1 April 1997, Pages 222–225, https://doi.org/10.1016/S0035-9203(97)90233-9

Published:

01 April 1997

Article history

Received:

27 June 1996

Revision Received:

07 October 1996

Accepted:

08 October 1996

Abstract

The fluctuation of circulating cathodic antigen (CCA) levels in urine was studied in 69 Brazilian school-children infected with Schistosoma mansoni and compared to egg counts. Faeces and urine samples were simultaneously collected at 7 times during a period of 2 weeks. CCA was determined by enzyme-linked immunosorbent assay and could be detected in 96% of the urine samples; the individual mean CCA level ranged from 609 to 350700 pg/mL. 90% of the faecal samples contained S. mansoni eggs and the individual mean egg output ranged from 9 to 5510 eggs/g. The Spearman rank correlation ceofficient between these individual means was 0·69. Kendal,s coefficient of concordance (W) was 0·88 for CCA levels and 0·80 for egg counts.

schistosomiasis, Schistosoma mansoni, diagnosis, circulating cathodic antigen

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