Korean J Parasitol.  2005 Mar;43(1):15-18. 10.3347/kjp.2005.43.1.15.

Diagnostic value of a dot immunobinding assay for human pulmonary hydatidosis

Affiliations
  • 1Department of Infectious Diseases, Tepecik SSK Training Hospital, Izmir, Turkey. aliolut@yahoo.com
  • 2Department of Parasitology, Hacettepe University Hospital, Ankara, Turkey.
  • 3Department of Chest Diseases, Hacettepe University Hospital, Ankara, Turkey.
  • 4Department of Chest Surgery, Ankara University Ibni Sina Hospital, Ankara, Turkey.

Abstract

The diagnosis of human hydatidosis is primarily made using radiological and serological methods. Radiological methods are generally of low specificity and serological methods lack sensitivity, especially for pulmonary disease. In this study the capabilities of a new rapid test, the hydatid antigen dot immunobinding assay (HADIA), which was developed for the diagnosis of pulmonary hydatidosis, were studied and compared with another immunodiagnostic method, indirect hemagglutination (IHA). The study subjects included 18 patients, 9 women, 9 men; range 7 to 63 years; mean 30 years, with surgically proven pulmonary hydatidosis, a control group comprised of 14 patients; viral respiratory infections (1), cirrhosis (2), connective tissue disease (2), taeniasis (3), and 6 healthy donors. We found that the HA-DIA test had a sensitivity of 67% and specificity of 100%, and that the IHA test had a sensitivity of 50% and specificity of 100%. We conclude that HA-DIA is a simple, rapid, low cost assay that does not require instrumentation and has a higher sensitivity than IHA for the diagnosis of pulmonary hydatidosis.

Keyword

Echinococcus granulosus; pulmonary hydatidosis; hydatid antigen; dot immunobinding assay

MeSH Terms

Adolescent
Adult
Antibodies, Helminth/*blood
Child
Echinococcosis, Pulmonary/*diagnosis
False Negative Reactions
False Positive Reactions
Female
Humans
Immunoblotting/*methods
Male
Middle Aged
Sensitivity and Specificity
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