ENT smear

An ENT smear is a diagnostic procedure that involves collecting samples from the lining of the nose and throat. The samples are then analyzed in a laboratory to identify bacteria. Based on the data obtained, the doctor determines the cause of the disease and chooses an effective treatment regimen.
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Microflora of the oropharynx

More than 50 species of microorganisms live in the throat and nasal mucosa. Some of them are considered beneficial because they support health and are involved in the digestive process. Other, opportunistic microorganisms, when the immune system is weakened, can provoke diseases such as pharyngitis, tonsillitis or sinusitis. In addition, there are pathogens that can cause serious disorders in the body (meningitis, sepsis). Some people are carriers of such microorganisms, but do not suffer from them themselves, but are infectious to others.

Microflora of the oropharynx

Signs of an ear plug

The main purpose of smear analysis is to determine the composition of the microflora for accurate diagnosis and treatment.

A smear on the flora of the ENT organs is prescribed in the following cases:

  • If a runny nose or nasal congestion persists for more than a week
  • For allergic reactions
  • For frequent or chronic inflammation (rhinitis, pharyngitis, tonsillitis, pharyngitis, adenoiditis, sinusitis)
  • For stomatitis
  • If there is a suspicion of infections caused by staphylococci, streptococci, diphtheria, whooping cough, meningitis, fungal infections
  • If tuberculosis is suspected
  • For diagnosis and monitoring of treatment of mononucleosis
  • For frequent abscesses in the ENT area
  • If you suspect a coronavirus infection

Smears are also taken as part of a general medical examination. Employees of child care institutions, the food industry, salespeople working in grocery stores, medical staff and pregnant women must be examined. In the event of an outbreak of an infectious disease, everyone who may have had contact with the infected person is tested, and if the disease spread is high, entire groups of the population or particularly vulnerable categories of citizens are tested.

General information about the procedure

How to properly prepare for smear tests

To obtain accurate results, it is important to properly prepare for the test. Follow these guidelines:

  1. Do not take antibiotics one week before the test
  2. 5 days before the procedure, stop using local antiseptics, including mouth rinses
  3. On the morning of your test, do not eat, drink, smoke, brush your teeth or chew gum before your visit to the laboratory

If the analysis is scheduled for the afternoon or evening, the last meal should be no later than 2 hours before the procedure. During this period, you should also refrain from smoking and drinking water.

How to collect swabs from the throat and nose

To take a swab from the throat, the patient must open his mouth as much as possible and tilt his head back. Using a sterile cotton swab, the healthcare professional gently removes secretions from the tonsils and back of the throat. Then the tampon is placed in a container with a nutrient medium, which is tightly closed. The resulting sample is labeled and sent for analysis.

To collect material from the nose, the nasal passages are first cleaned. Using a tampon, carefully treat the mucous membrane of each nostril. The resulting biomaterial is also placed in a sterile container, hermetically sealed and labeled for further study in the laboratory.

These procedures do not require the use of painkillers. Mild discomfort may occur during manipulation. When collecting material from the throat, some patients feel a reflex of nausea, but the discomfort quickly passes after the procedure is completed.

Analysis of biomaterial

There are several methods for analyzing biomaterial taken from ENT organs:

  1. Microscopic examination. Doctors take a sample, place it on a slide, stain it with special dyes and examine it under a microscope. This method allows you to determine the type of microorganisms and estimate their number
  2. Bacteriological culture. Used for detailed analysis of microflora and identification of harmful microbes. Samples are plated on nutrient media, incubated, and bacterial growth is analyzed. Thanks to drug sensitivity tests, the doctor prescribes a suitable antibiotic to which pathogens do not have resistance
  3. PCR diagnostics. The most modern and accurate method that detects up to 95% of all known microorganisms. PCR allows you to quickly identify infectious agents, their number and type

The time required to obtain results depends on the chosen research method. Rapid tests provide an answer within 30 minutes. PCR diagnostics require 1-2 days. Bacteriological cultures and complex microbiological analyzes are prepared within 4-7 days, depending on the complexity of the study.

Nuance! The results of the analysis can be presented in the form of a report on the presence or absence of a specific microorganism.

During complex studies, a table is given with a list of all detected microorganisms and their reaction to medications. The doctor uses this data, along with other information about the patient, to make a diagnosis and choose treatment.

What does an increased level of pathogenic microorganisms indicate?

The detection of a large number of pathogenic or opportunistic microbes indicates an infectious lesion of the mucous membranes. Depending on the type of pathogen, the doctor can make one of the diagnoses:

  • Staphylococcus. Lead to the development of pharyngitis, tonsillitis, sinusitis and other inflammations in the mouth and nose
  • Streptococci. They often cause tonsillitis, scarlet fever, and sometimes sinusitis. They can also provoke kidney inflammation and cardiovascular disorders
  • Hemolytic streptococcus. Provokes complications with sore throat, sometimes leading to heart disease
  • Fungi of the genus Candida. They become the cause of candidiasis. This is especially true for children, the elderly and people taking antibiotics or immunosuppressants for a long time

The list of possible pathogens that are identified using smear analysis is quite large. It includes viruses that cause mononucleosis, herpes, coronavirus infection, whooping cough, diphtheria and other diseases.

Answers to frequently asked questions

What does an ENT smear reveal?

The analysis helps to find out which microbes caused the disease in the nose or throat. It shows which antibiotics or bacteriophages can help get rid of the infection.

Why test antibiotic sensitivity?

This is necessary in order to know exactly which antibiotic will work against bacteria. A properly selected drug allows you to cure the disease quickly and effectively, preventing pathogenic microorganisms from getting used to the medicine.

Why are bacteriophage-based drugs important for treatment?

Bacteriophages are a special type of medicine that helps in cases where antibiotics are not suitable or do not bring a positive result. They are safe and do not harm beneficial bacteria in the body.

What germs can be detected with a smear?

The test helps doctors detect different types of microbes, including pneumococci, staphylococci, streptococci, as well as fungi and beneficial bacteria that do not cause disease.

Our doctors

Sadikov
Ilya Sergeyevich
Head of the Clinic for Otorhinolaryngology, Otorhinolaryngologist
Tetzoeva
Zalina Muratovna
Head of the department of otorhinolaryngology, otorhinolaryngologist
Lapshina
Anastasia Andreevna
Otolaryngologist, audiologist
Lopatin
Andrew Stanislavovich
Chief Specialist in Otorhinolaryngology
Portnyagina
Maria Pavlovna
Audiologist-otorhinolaryngologist
Kaspranskaya
Galina Rustemovna
Otorhinolaryngologist, otoneurologist, audiologist
Budeikina
Liliya Sergeevna
Otorhinolaryngologist, phoniatrist
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