PMID: 8465391Jan 1, 1993Paper

Enzyme-linked immunosorbent assay for the detection of anti-Giardia specific immunoglobulin G in filter paper blood samples

Transactions of the Royal Society of Tropical Medicine and Hygiene
M H al-TukhiW Peters

Abstract

Conventional diagnosis of infection with Giardia duodenalis is by faecal examination but the sensitivity of a single examination is low. Serological tests, although not always positive, are more acceptable to patients and are useful in determining the prevalence of giardiasis in large populations. We show here that blood collected on filter paper and dried provides an excellent source of material for enzyme-linked immunosorbent assays; using samples from a group of 88 stool-negative and 45 positive patients, the optimum results were obtained by taking the control mean optical density plus one standard deviation as the negative/positive cut-off value. The sensitivity was 91% (2/45 false negatives), and the specificity 95% (4/88 false positives). This method should be particularly useful for large-scale surveys in developing countries or wherever serological testing is done in central laboratories.

References

May 1, 1975·The Journal of Infectious Diseases·A A Mahmoud, K S Warren
Jan 1, 1976·Journal of Clinical Pathology·M J Ridley, D S Ridley
Aug 1, 1991·Annals of Tropical Medicine and Parasitology·M H al-TukhiW Peters
Jan 1, 1983·Transactions of the Royal Society of Tropical Medicine and Hygiene·D B Keister
Jan 1, 1950·Cancer·W J YOUDEN

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Citations

Jul 1, 1995·Transactions of the Royal Society of Tropical Medicine and Hygiene·C B Palatnik-de-SousaR Borojevic
Jul 1, 1997·Transactions of the Royal Society of Tropical Medicine and Hygiene·S JamalyO Ouchterlony
Jan 9, 2004·Diagnostic Microbiology and Infectious Disease·A ChakravartiSangita Yadav
Feb 3, 2000·Journal of Clinical Pathology·S P Parker, W D Cubitt
Aug 13, 2013·PLoS Neglected Tropical Diseases·Soa Fy AndriamandimbyVincent Richard
Dec 25, 2013·The American Journal of Tropical Medicine and Hygiene·Pieter W SmitPaul N Newton
Mar 12, 2002·Revista de saúde pública·Semíramis Guimarães, Maria Ignês L Sogayar
Jul 3, 1999·Clinical and Diagnostic Laboratory Immunology·F Fenollar, D Raoult

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