Prospective comparison of direct immunofluorescence and conventional staining methods for detection of Giardia and Cryptosporidium spp. in human fecal specimens

J Clin Microbiol. 1995 Jun;33(6):1632-4. doi: 10.1128/jcm.33.6.1632-1634.1995.

Abstract

In a prospective comparative study, 2,696 consecutive fresh stool specimens over the course of 1 year were examined for Giardia lamblia and Cryptosporidium parvum by using a direct immunofluorescent-monoclonal antibody stain (for unspun specimens) and conventional staining methods (chlorazol black E for Giardia cysts and modified Kinyoun acid-fast for Cryptosporidium oocysts). The direct immunofluorescent-monoclonal antibody method resulted in a significantly increased detection rate for both giardia (118 versus 79 specimens, 49.4%; P = 0.006) and cryptosporidia (39 versus 23 specimens, 69.6%; P = 0.055).

Publication types

  • Comparative Study

MeSH terms

  • Animals
  • Antibodies, Monoclonal
  • Cryptosporidiosis / diagnosis
  • Cryptosporidiosis / parasitology
  • Cryptosporidium / immunology
  • Cryptosporidium / isolation & purification*
  • Evaluation Studies as Topic
  • Feces / parasitology*
  • Fluorescent Antibody Technique*
  • Giardia / immunology
  • Giardia / isolation & purification*
  • Giardiasis / diagnosis
  • Giardiasis / parasitology
  • Humans
  • Prospective Studies
  • Staining and Labeling / methods*

Substances

  • Antibodies, Monoclonal