What blood tests for parasites, it is necessary to donate?

A blood test for parasites — a mandatory procedure for all who work in the field of health care, educational institutions, animals or plans to attend an educational institution. Apart from research, the feces, the modern blood tests for helminths, provide more accurate results, in order to assess the extent of the infestation and to monitor the effectiveness of treatment. Carried out a survey of this type quickly and does not require a lot of time on the transcript.

analysis of blood

When and to whom it is necessary to take a blood test for helminthiasis?

Sad medical statistics suggests that approximately for every 3 persons the problem of worming today is relevant. Household transport, offices and educational institutions, unwashed vegetables and fruit, a handshake — all of these the usual for every adult and child actions, and they become the main source of infection by parasites. Although the symptoms and may not manifest itself right away, in any case, the parasites have a very negative effect on the human body: cause the deterioration of appetite, contribute to the development of allergies, pain in the affected organ, poor digestion, sometimes they are able to cause death. Whereas, it is necessary to save them for parasites tests for each person (preferably every year).

You cannot draw with a survey, when I manifested the characteristic for helminthiasya symptoms:

  • a sharp weight loss;
  • urticaria;
  • frequent nausea;
  • aversion to food;
  • a sharp decline in hemoglobin;
  • irritability or insomnia in children.

In addition, can also be called the group of people who necessarily every 6-8 months needs to control the blood. So, and especially include:

  • persons who live in areas with frequent outbreaks helminthiasya;
  • those who work in educational institutions and have to deal with small children;
  • health care workers;
  • all staff catering services;
  • persons working with animals, and their family members (veterinarians, workers of the meat, the shepherds, the keepers, the staff of the circus and the zoo, etc.).

In addition, analysis of blood for the worms shall consist of all the children in the school and preschool age, which in the foreseeable future should attend school, the mugs. Examine blood for parasites must be pregnant, children on the eve of the vaccination. In addition, repeated tests, it is worth to take it after the breadcrumb treatment from parasites.

ELISA as one of the most effective methods of diagnosis

elisa analysis of blood

The most popular and a sober analysis of today, experts are called linked immunosorbent assay in the blood for parasites. The main objective of this precise laboratory methods — identify the antibodies in their blood against one another mind parasites. Immunoglobulins (so it is called antibodies) are a natural response of the immune system, and have a goal to neutralize the negative agent.

To give an accurate diagnosis and to determine with what intensity the disease, the parasites, how long it takes for professionals to succeed with the help of 3 different types of immunoglobulins:

  1. Class Aa are detectable in the blood of a child or an adult in about 2-4 weeks from infection. While almost 80 % of them will be displayed in the slimy and only 20% remains in the blood. After treatment with immunoglobulins of the class And may be present not more than a month. If repeated the analysis on parasites reoccurring, it means that the disease has moved into the chronic form.
  2. M-class, the fastest they respond to the presence of the parasite. In the blood was discovered already on the 5 day from the moment of infection. Along with the fact that long will not hold — up to 2 months, and then gradually excreted. Thanks to this indicator, the doctor may make a conclusion about the presence of acute helminthiasya at a particular moment.
  3. Class G Appear relatively late — 1 month after worm infestations. However, the excreted are longer than half a year. It is used to understand how long a person suffers from helminthiasyom.

Compared with other laboratory methods, ELISA, has a number of advantages, in particular:

  • high accuracy;
  • the ability to determine the stage of the disease;
  • versatility;
  • the possibility of using for the bulk of the investigation of the population;
  • suitable adult and child.

Linked immunosorbent assay it is advisable to use for the identification of such species helminthiasya, such as:

  • giardiasis;
  • trichinosis;
  • leishmaniasis;
  • ascariasis;
  • cysticercosis;
  • opisthorchiasis;
  • echinococcosis and others.

Hemo scan for the detection of parasites

can be from the body scan from the blood

Hemo scanning is one of the most advanced examination on parasites in children and adults. With its help, manages to reveal the following:

  • the specific type of parasite;
  • the structure and the number of white blood cells;
  • the number of red blood cells;
  • the degree of viscosity of the blood;
  • the state of the immune system;
  • the presence of mold and viruses.

Unlike ELISA, "o" scan down the fence just a few drops of blood from your finger. The liquid is placed on a sterile glass, and on carefully viewed under the microscope. The number of breast reaches 1800-2000 once. It does not need any further processing (use of enzymes, dyes, drainage, etc.). In modern clinics the image displayed on the monitor, and therefore the patient himself has the ability to monitor the process of research, make sure about the presence of mold and worming. Shocking can become the image of the larvae of the parasites. In the case of needs are carried out photo, or a video store.

It is the express method, because information about the state of his health, the patient may learn already for 10-15 minutes.

It is worth noting that as a standalone method for the identification of parasites hemo scan is not actually used. The point is that in the human body can live different kinds of parasites with different place of localization. Not in every case, going on the migration of larvae into the blood. Suspect the presence of deworming allows a reduced amount of red blood cells (like some parasites feed on blood and nutrients), increased amount of white blood cells (shows the struggle of the organism with a parasite), dense plasma.

Other methods of diagnosis

If using method 1 to reveal the helminthiasis fails, the doctor recommended further laboratory studies:

  1. Serological analysis. Also refers to the immunological variants, such as ELISA. However, unlike the latter, the first aims to explore not only blood and serum. In order to get the information the doctor need to take advantage of the reaction between antibodies and antigens. Serological analysis is not carried out for all types of de-worming, but only that which the doctor has a suspicion. If in the body of a man is a parasite, a specialist will notice a clear response.
  2. PCR-diagnostics. Is not gives you the opportunity to find out the stage of development of the worm parasitic disease, and is not recommended for the determination of all species of parasites. With its help it is possible to find out only, whether they are present in the human body simple helminths. The main task of the laboratory in this case is the search for the DNA and RNA of the parasite. When it does not play any role, be a parasite, dead or alive. Donate to research have the option of any material, in particular urine, blood or feces. For the greater the credibility of such analysis may give up several times.
  3. Vegetative resonance test. The method is based on the identification of the resonance between the human organism and a drug. As a last behave of the information media of different kinds of deworming. All the frequency data of each species of parasites were recorded by scientists in 1989, the ART (as it is called this way) is only carried out in the laboratory and gives an opportunity to reveal, in what condition is the immune system of a person in a particular time period. So, with the help of the ART of the doctor may determine suffer if the organism from allergies, there's toxic, bacterial, parasitic influence, or not.
  4. An extensive analysis of the blood. Overvalued or, on the contrary, a decent hemoglobin, reduced amount of red blood cells, increase in the number of eosinophils — these are the main symptoms, which give the possibility to suspect the presence of parasites in the human body.
preparation for analyses

How to prepare for the study, and how to decipher the results?

Features putting analysis is directly dependent on what method is to be used, and the presence of any species of parasites is suspected. Usually blood sampling is performed from a vein, and in some cases (hemo scan) of a finger. Just 10-15 ml of blood establish the diagnosis.

In order to obtain a maximum of reliable information, it is necessary to adhere to certain rules, stating the clinical trials:

  1. On the eve of the first day of the sucking the blood of the patient not consume too much salty, fatty food (because it can change the level of white blood cells); foods that may cause allergies — honey, citrus fruits (increase the level of eosinophils, that also has a place in helminthiasye); foods rich in essential oils — garlic, onion, ginger (influence on the activity of the parasites).
  2. Better to donate the material on an empty stomach. Home in a small amount of clean water.
  3. Without exception, need to inform your doctor about products that have been used over the last 2 weeks.
  4. Not recommended a few days before the tests to use any physiotherapy (including chest x-rays, ULTRASOUND, chest x-rays).
  5. Although I would in a week to intake of blood to give up alcoholic beverages and drugs, which contain a very high concentration of alcohol.
  6. Smoking should be give up at least 2 hours in putting analysis.

If there is a strong helminthiasyom suffered pregnant examination is necessary and the newborn. He removes the blood from the umbilical cord or the placenta.

On the conduct of the study, is usually enough for 2-3 days. A little longer (up to 5 days) will have to spend in case if it fails immunological research focused on different kinds of parasites.

decoding results

Interpretation should be done only by an expert. The easiest for the interpretation of the remaining hemo scanning, and PCR diagnostics. Either he finds the parasite or its larvae or not.

More complicated is the situation with the method, which should appoint ELISA. The doctor is obliged to take into account the immunoglobulins 3 groups. So, the acute form of the disease can tell a story, if the formed combination of: immunoglobulins, M-class positive and class a or G may be positive or negative. A chronic form of reporting data: immunoglobulins of class M is missing, and class a and G may be positive or negative.

In that case, if any of the above analyses showed a positive result, pull with the treatment helminthiasya not worth it. After the completion of a designated doctor course of treatment is necessary, repeated administration of the analysis, but it takes about 2-3 months after ingestion of the drugs. Without knowing what tests you must pass, it is better to contact the doctor-the therapist, gastroenterologist or other experts.