Various bacteria are an integral part of the microflora of the human body, staphylococcus is not an exception. About 10 completely harmless types of this microorganism live on the skin and mucous membranes, but there are 3 pathogenic strains. For their detection, an analysis is made for staphylococcus aureus, which can be carried out in several ways. They are chosen by the doctor in accordance with the patient's complaints, clinical picture and severity of the disease.
What are the tests for pathogenic staphylococcus aureus?
Pathologies that are provoked by the bacterium in question are quite numerous. A microorganism can affect various parts of the body and even internal organs, so the following biological materials are taken for the analysis of staphylococcus aureus :
- urine;
- cal;
- blood;
- expectorated sputum;
- breast milk;
- separated from the wound, ear.
Also have to hand over the smears:
- from the nose;
- with conjunctiva;
- rectal;
- from the pharynx;
- urogenital.
Given this diversity, the rules for preparing for laboratory research are also numerous.
How correctly to hand over analyzes on a staphilococcus?
Usually, all the recommendations are given by a specialist during the appointment of the examination. General tips to follow before testing:
- When examining urine, stop taking diuretics 48 hours before going to the laboratory. It is important for women to take the material before or 2-3 days after menstruation. Morning urine is suitable for analysis, before it is collected, you must thoroughly wash the genitals with warm water.
- For correct examination of stool, it is recommended to stop using any medications that affect intestinal peristalsis, as well as stain coloring, within 72 hours. Some laboratories advise against the introduction of rectal suppositories, even the most neutral, for example, glycerin suppositories.
- The blood test for Staphylococcus aureus and its other strains is carried out according to the same rules as other studies of this biomaterial - in the morning and on an empty stomach. It is important not to take antibacterial remedies on the eve of the procedure, or to postpone blood donation for 2 weeks after the course of antimicrobial therapy.
- A smear from the nose is taken without any special preparation, from the throat (pharynx) - strictly on an empty stomach, it is also impossible to brush your teeth. Conjunctival material collection is desirable in the morning, without prior
washing of eyes. The rectal and urogenital swab should be given to women in the same way as urine. - To easily get expectorated sputum, doctors advise to increase the amount of fluid consumed 12 hours before the study.
- Breast milk should be expressed, after wiping the nipple with a damp napkin. Morning portion is preferred.
- Examination of the separated ear, wound, any skin damage is done without preparation. Immediately before taking the material, the lab technician will treat the surrounding tissues with an antiseptic.