Diagnosis of giardiasis by counterimmunoelectrophoresis of feces

J. C. Craft, J. D. Nelson

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The diagnosis of giardiasis is frequently difficult. In the present study, the techniques of microscopic examination of feces, duodenal fluid, and duodenal biopsy specimens were compared with counterimmunoelectrophoresis (CIE) of feces for Giardia lamblia antigen. New Zealand white rabbits were immunized with purifed G. lamblia cysts and axial trophozoites, and the resulting antiserum was used for the detection of antigen. Of 276 patients with acute and chronic diarrhea studied using standard diagnostic methods, 66 patients had giardiasis: 62 by examination of feces; three, of duodenal fluid; and one, of duodenal biopsy specimens. CIE tests for G. lamblia fecal antigen had positive results for 65 of the 66 patients. The CIE test for Giardia fecal antigen appears to be as sensitive and reliable as the combined examination of feces and duodenal fluid.

Original languageEnglish (US)
Pages (from-to)499-504
Number of pages6
JournalJournal of Infectious Diseases
Volume145
Issue number4
StatePublished - 1982

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Counterimmunoelectrophoresis
Giardiasis
Feces
Giardia lamblia
Antigens
Biopsy
Giardia
Trophozoites
Cysts
Immune Sera
Diarrhea
Rabbits

ASJC Scopus subject areas

  • Immunology
  • Public Health, Environmental and Occupational Health

Cite this

Diagnosis of giardiasis by counterimmunoelectrophoresis of feces. / Craft, J. C.; Nelson, J. D.

In: Journal of Infectious Diseases, Vol. 145, No. 4, 1982, p. 499-504.

Research output: Contribution to journalArticle

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