Aspartat aminotransferaza (AST/SGOT)
Kod:8031|CPT:84450|LOINC:1920-8
| Kabi | AST (SGOT) |
|---|
Tahlil ma'lumotlari
Tadqiqot usuli
- Kinetik usul
- Kinetik ultrabinafsha (UV) usul
Kutilayotgan natija topshirish vaqti
1 kun
Maxsus tayyorlik
- Do not eat for 12 hours before the blood draw.
- Avoid strenuous activity and emotional stress for at least 30 minutes before collection.
- Do not smoke during the 30 minutes prior to collection.
Qanday foydalanish
Aspartat aminotransferaza (AST/SGOT) testi gepatotsellyular shikastlanishni aniqlash va baholash hamda jigar kasalliklarida kasallik faolligi va davoga javobni monitoring qilish uchun qo‘llaniladi. Natijalar ALT, ishqoriy fosfataza, bilirubin va tegishli testlar bilan birga talqin qilinib, gepatotsellyular va xolestatik ko‘rinishlarni farqlashga yordam beradi; AST dan ALT ga nisbati (AST/ALT) alkogolga bog‘liq jigar kasalligini baholashda yordam berishi mumkin. AST (aspartat transaminaza; serum glutamat-oksaloatsetat transaminaza) yurak yoki skelet mushaklari shikastlanishida, jumladan miokard infarkti, miozit va mushak distrofiyalari, shuningdek tizimli yallig‘lanish yoki ishemik holatlarda ham oshishi mumkin. Shu bois, talqin klinik kontekstga va, zarur bo‘lganda, yurak va mushaklarga oid qo‘shimcha biomarkerlarga tayanadi.
Cheklovlar
AST to‘qimalar bo‘ylab keng tarqalgan bo‘lib, eng yuqori faollik jigar va yurakda, nisbatan past faollik esa buyrak va skelet mushagida kuzatiladi. Qon zardobidagi AST gepatotsellyular shikastlanish hamda mushak shikastlanishi bilan oshadi, shu sababli u jigar test panellariga odatda kiritiladi, biroq jigar-spetsifik emas. Klinik talqin ALT, ishqoriy fosfataza, bilirubin va fizik ko‘rik natijalari bilan, ko‘rsatilgan hollarda esa yurak va mushak biomarkerlari bilan birgalikda amalga oshiriladi. Keskin yuqori ko‘tarilishlar o‘tkir gepatotsellyular shikastlanishga xos, shu bilan birga miokard infarkti va miopatiyalar kabi ekstrahepatik jarayonlar ham ASTning oshishiga olib kelishi mumkin.
| O'lchov birligi | IU/L | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Referens oraliq |
| ||||||||||||
| Ko'rsatmalar | Workup of jaundice, dark urine (choluria), pale or acholic stools, or generalized pruritus, Right upper quadrant abdominal pain or abdominal distension, Anorexia, nausea, or vomiting raising concern for hepatic disease, Unexplained fatigue or asthenia when liver dysfunction is suspected, History of viral hepatitis or recent exposure to hepatitis viruses, Heavy alcohol consumption or alcohol use disorder, Use of medications with hepatotoxic potential, Family history suggestive of liver disease, Presence of metabolic syndrome or diabetes mellitus, Monitoring response to therapy for established liver disease |
Natija og'ishlarining mumkin sabablari
Oshgan daraja
- acetaminophen
- alcoholic hepatitis
- anabolic-androgenic steroids
- carbon tetrachloride
- central nervous system diseases
- cholecystitis
- chronic alcohol ingestion
- cirrhosis
- congestive heart failure
- dermatomyositis
- duchenne muscular dystrophy
- erythromycin
- gangrene
- hemochromatosis
- hemolytic anemia
- hepatitis
- hypothyroidism
- indomethacin
- infectious mononucleosis
- isoniazid
- large necrotic tumors
- legionnaires' disease
- macro-ast
- methyldopa
- myocardial infarction
- myocarditis
- opiates
- pancreatitis
- pericarditis
- phenothiazines
- polymyositis
- progesterone
- renal infarction
- reye syndrome
- salicylates
- shock
- surgery
- trauma
- trichinosis
Pasaygan daraja
- metronidazole
- trifluoperazine
- uremia
- vitamin b6 deficiency
Namunangiz talablari
| Namunangiz | Zardob |
|---|---|
| Container | Oltin/yo'lbars qopqoqli probirka (SST, gel ajratgich) |
| Hajm | 1 mL (min 0.7 mL) |
| Saqlash tayyorlik | Xona harorati, Sovutilgan, Muzlatilgan |
References
Tonks DB. A study of the accuracy and precision of clinical chemistry determinations in 170 Canadian laboratories. Clin Chem. 1963 Apr; 9:217-233. PubMed 13985504