You will need
- - the direction of the analysis.
The patient with giardiasis in day highlights of a stool more than 900 million cysts. The infection is fecal-oral, contact-domestic and food by. Sources of infestation can become toys, poorly washed dishes, fruits, vegetables, drinking water and contact with Pets. Reproduction of Giardia occur in the intestinal lumen. Parasites attach themselves firmly to the walls of the small intestine and hinder the absorption of minerals and vitamins.
Diagnosis of giardiasis in many clinics is made by serologic and microscopic methods. Under the microscope examine the residual content of feces and duodenal contents. The difficulty and uncertainty of such a diagnosis are obvious. Sometimes the technician is unable to make a clear differentiation of cysts.
Therefore, the analysis of different portions of feces and duodenal contents taken from 6-7 persons, it is recommended to explore repeatedly for 4-5 weeks with small breaks. Choleretic and anti lamblic products contribute to a more rapid diagnosis, because cysts lose their ability to hold on to the walls of the intestine and are detected in the content prepared for laboratory diagnosis.
The most promising method of diagnosis of giardiasis is an immunofluorescence assay and enzyme-linked immunosorbent assay, or ELISA. Antigens are diagnosed not only in patients ' serum of patients and carriers. The accuracy of such diagnosis is 98,9%. The test system allows detection of total immunoglobulin antibodies GSA-65, IgG, A, M. In particular, high levels of IgG antigen provides a basis for the diagnosis of chronic giardiasis. A high level of IgM allows the diagnosis of "acute giardiasis".
However, in the early stages of infection results in the determination of antigens can be negative. Preettty period, when the number of cysts and antigens less-defined norms, can last from two to four weeks. Therefore, early screening should be associated with a clinical picture of parasitic diseases and compared with data from the collected history.
After successful treatment of a patient newly prescribed a thorough examination. If the antigens in the serum or cysts in the stool and duodenal contents was not revealed for several repeated surveys, a person is considered completely healthy and free from giardiasis.