Amino acid clearance assay

The amino acid clearance test (CRAA) is a more sensitive method for checking liver function and has certain clinical application value. Not suitable for people: sensitive to Protemine. Before the examination, the patient was weighed and given a dose of indocyanine green according to its weight. The intensity of the puncture should be light, and the patient should be asked not to move. Basic Information Specialist classification: Digestive examination classification: liver function test Applicable gender: whether men and women apply fasting: fasting Tips: Before the patient is examined, the patient is weighed and given a dose of indocyanine green according to its weight. The intensity of the puncture should be light, and the patient should be asked not to move. Normal value The normal value of TFPAA is around 0.7. Clinical significance The abnormal result TFPAA value is greater than or less than 0.7, indicating that the liver metabolic function is not normal. Need to check patients with cirrhosis in the population. Precautions Taboo when checking: 1. Before the examination, the patient is weighed and given a dose of indocyanine green according to its weight. 2. The intensity of the puncture should be light, and the patient should be asked not to move. Inspection process In the early morning, the femoral vein trocar was puncture. After the cannula was fed into the 10 cm, the Proteamine 100 ml was quickly bolused at 0 min, 2 min, 5 min, 10 min, 15 and 20 min. The forearm was taken for blood and the plasma samples were determined for TFPAA. Not suitable for the crowd 1. Patients who have taken contraceptives, thyroid hormones, steroid hormones, etc., may affect the results of the examination and prohibit patients who have recently taken the drug history. 2, special diseases: patients with hematopoietic function to reduce disease, such as leukemia, various anemia, myelodysplastic syndrome, etc., unless the examination is essential, try to draw less blood. Adverse reactions and risks 1, subcutaneous hemorrhage: due to pressing time less than 5 minutes or blood draw technology is not enough, etc. can cause subcutaneous bleeding. 2, discomfort: the puncture site may appear pain, swelling, tenderness, subcutaneous ecchymosis visible to the naked eye. 3, dizzy or fainting: in the blood draw, due to emotional overstress, fear, reflex caused by vagus nerve excitement, blood pressure decreased, etc. caused by insufficient blood supply to the brain caused by fainting or dizziness. 4. Risk of infection: If you use an unclean needle, you may be at risk of infection.