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Platelets are the most important blood cells in the body. When there are signs of abnormality in platelet count or function, the patient will be assigned to perform a platelet function assessment test. The results obtained will help doctors detect problems with platelets and intervene in time before they have serious effects on the patient's health.1. What is platelet function?
Platelets are nonnucleated blood cells, which are cell fragments broken off from the giant microscopic specimen of the bone marrow. Platelets are very small in diameter, only about 2-3 micrometers. Each platelet can live about 5-7 days. The platelets are then destroyed by the spleen. When the spleen has problems, the function of destroying old platelets will be affected, leading to health problems.
Although small in size, but the role of platelets is very large, deciding many important processes in the body such as: blood clotting, hemostasis, blood clot contraction, vasoconstriction, immunity. .. In which blood clotting is the most important function of platelets. The main purpose of tests to evaluate platelet function is mostly to investigate this function.
When a blood vessel is damaged, platelets will activate, release the substance inside and change shape, bind to a platelet plug to temporarily block the wound, participate in blood clotting, and stop bleeding for the muscle. can
Tiểu cầu đóng vai trò đông máu và cầm máu
2. When to test for platelet function
Patients with signs of bleeding with no known cause will be ordered to have a platelet function test, along with a few other tests (if necessary).
Classical platelet function test includes:
Bleeding time test Optical platelet aggregation test Impedance platelet test Platelet aggregation and luminescence Adenine nucleotide test Electron microscopy test Electrophoretic analysis assay Clot contraction test Clot elastography test Glass filter meter test Release marker test from platelets such as βTG PF4...
Xét nghiệm kính hiển vi điện tử là một xét nghiệm đánh giá chức năng tiểu cầu cổ điển
3. Test procedure to evaluate platelet function
The doctor prepares tools, chemicals, capillary or venous blood collection equipment to perform the test ID code and patient information will be recorded on the slide Tie the gauze on the area to be taken blood Disinfect the area draw blood Use a needle to inject into the vein and draw an appropriate amount of blood to perform the test Remove the patient's garo. Hemostasis at the injection site The blood sample after being collected will immediately drop 1 drop on the marked slide patient information and conduct blood slide slide Leave the slide on the table at 37°C, wait for it to dry completely, then arrange the slide on the rack, fix the slide with absolute alcohol Stain the blood slide by Giemsa method, Wait for the specimen to dry and get the test results.
4. Where should the platelet function test be performed?
Test to evaluate platelet function is one of the important tests, often performed with many other tests to help doctors accurately diagnose acquired pathology. Therefore, patients need to choose reputable medical facilities, fully equipped with modern machinery and equipment to get accurate and timely test results, best support for the detection and treatment process. sick.
Bệnh viện Đa khoa Quốc tế Vinmec là địa chỉ uy tín, tin cậy giúp khách hàng thực hiện xét nghiệm đánh giá chức năng tiểu cầu
Vinmec International General Hospital is one of the leading prestigious hospitals in the country. A team of well-trained and experienced medical professionals at Vinmec will directly examine, take samples for testing, read test results and treat patients. The most modern and advanced machinery and equipment system brings accurate and fast results. Professional medical services will help patients feel secure and comfortable during examination and treatment.
Any questions that need to be answered by a specialist doctor as well as customers wishing to be examined and treated at Vinmec International General Hospital, you can contact Vinmec Health System nationwide or register online HERE.
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