Bacteriological examination of feces (Shigella, Salmonella)

Diarrhea syndrome is the third most common syndrome in medical practice.

Most patients are characterized by a mild infection, although there are also severe forms characterized by frequent defecation (3-40 days), low-consistency stools (sometimes watery), and large fluid loss, which can lead to water-electrolyte imbalance and severe hemodynamic disturbances (cardiovascular). Collapse).

Diarrhea is caused by a number of viruses, bacteria, worms and fungi, and in some cases even fungi. Intestinal dysbacteriosis after prolonged use of antibiotics can also cause diarrhea (in this case it is advisable to do an examination for dysbacteriosis and Clostridium difficile On ToxA / ToxB).

How Get ready For the test/should Collection rules

Bacteriological examination of feces should be performed as soon as possible after the onset of the disease.

For bacteriological examination of feces material should be taken:

• Before treatment with antibacterial and antifungal agents.
• No earlier than 7-10 days after the end of the course of treatment with antibacterial and antifungal drugs.
• Against the background of antibacterial and antifungal treatment as prescribed by a physician.

• Bacteriological examination of feces does not require special preparation.
• The test material is collected in a sterile container with a screw cap and a with spoon on the lid
• for examination, feces should not contain impurities such as urine, so you should urinate before collecting feces to exclude the possibility of entering urine in the feces.
• Stools are collected from a sterile surface - the so-called. Night pot or "Sudno", which is well washed with soap, rinsed several times with water, and then treated with boiling water and cooled. It is forbidden to treat the surface of the pot with disinfectants.
• The test material is taken with a special spoon fixed on the lid of the sterile container, in an amount not exceeding 1/3 of the container volume. (up to 10 grams - 1 teaspoon).
• During sample collection, be sure to collect the liquid part of the material - especially the mucous and bloody parts, if there is any of them.
• Do not fill the container to the brim!
• After collecting the feces in the container, close the lid of the container tightly and bring the material to the laboratory center.
• The study material should be brought to the laboratory within one hour of collection. If you can not bring the test material to the laboratory within one hour, then it should be stored immediately in the refrigerator at a temperature of + 2–8 ° С for a maximum of 2 hours.