Eritrotsitlardagi sink (RBC)
Kod:8051|CPT:84630|LOINC:5761-2
| Kabi | Eritrotsitlardagi sink (RBC) |
|---|
Tahlil ma'lumotlari
Tadqiqot usuli
- Induktiv bog'langan plazma mass-spektrometriyasi (ICP-MS)
Kutilayotgan natija topshirish vaqti
1 kun
Maxsus tayyorlik
- For infants younger than 1 year, withhold feeding for 30–40 minutes before the blood draw.
- Do not eat for 2–3 hours before collection; water is allowed.
- Avoid smoking for 30 minutes prior to specimen collection.
Qanday foydalanish
Zinc, RBC testi (eritrotsitlardagi sink; Zn RBC; sink, qon) sink balansini baholash va sink yetishmovchiligini, jumladan subklinik yetishmovchilikni aniqlashga yordam berish uchun qo‘llanadi. Shuningdek, sink intoksikatsiyasiga shubha qilinganda yoki sinkka sanoat yoki ish joyidagi ekspozitsiya ehtimoli yuzasidan xavotir bo‘lganda buyuriladi. Natijalar klinik ko‘rinish va boshqa laborator ma’lumotlar bilan birgalikda talqin qilinadi; bu sink o‘lchovlariga ta’sir qilishi mumkin bo‘lgan ehtimoliy fiziologik va ekspozitsiyaga oid omillarni inobatga olish imkonini beradi.
Cheklovlar
Sink normal o‘sish, hujayraviy differensiyalanish va membrana yaxlitligini qo‘llab-quvvatlaydi hamda keng doiradagi fermentlar va DNKga bog‘lanuvchi transkripsiya omillari (sink-barmoq [zinc finger] oqsillari) uchun kofaktor vazifasini bajaradi. Ratsiondagi sink go‘sht, sut mahsulotlari, dengiz mahsulotlari, donlar, yong‘oqlar va sabzavotlardan olinadi. So‘rilish asosan duodenum va yeyunumda yuz beradi, hayvon oqsillari uni osonlashtiradi, fitatlar va temir esa to‘sqinlik qiladi. Ham yetishmovchilik, ham ortiqcha sink bir nechta a’zolar tizimlariga salbiy ta’sir ko‘rsatadi. Qondagi sink konsentratsiyasi o‘tkir infeksiya yoki yallig‘lanish, jarohat, og‘ir jismoniy mashq, stress va ovqatdan keyin kamayishi mumkin; shuning uchun talqin klinik holat va boshqa laborator topilmalar bilan uyg‘unlashtirilishi lozim. O‘tkir sink intoksikatsiyasi galvanizatsiya qilingan idishlardan iste’mol qilish ortidan yuz berishi mumkin, surunkali ortiqcha miqdor esa mis so‘rilishini buzishi mumkin. Sinkni o‘z ichiga olgan metall oksidi tutunlarini nafasga olish metall tutuni isitmasini qo‘zg‘atishi mumkin; bu sharoitda qondagi sink yuqori bo‘lishi mumkin, biroq holat uchun spetsifik emas.
| O'lchov birligi | mcg/dL | ||||
|---|---|---|---|---|---|
| Referens oraliq |
| ||||
| Ko'rsatmalar | Evaluation of patients at increased risk for zinc deficiency, including children and adolescents, pregnant or lactating individuals, those receiving total parenteral nutrition, and persons with chronic illnesses, Workup of suspected acrodermatitis enteropathica, particularly when periorificial dermatitis, chronic diarrhea, and partial or complete alopecia are present, Assessment of possible occupational exposure to zinc-containing fumes or dust |
Natija og'ishlarining mumkin sabablari
Oshgan daraja
- occupational exposure
- prolonged fasting
Pasaygan daraja
- acute infection or inflammation
- postprandial state
- strenuous exercise
- stress
- trauma
Namunangiz talablari
| Namunangiz | Zardob |
|---|---|
| Container | Oltin/yo'lbars qopqoqli probirka (SST, gel ajratgich) |
| Hajm | 1 mL (min 0.125 mL) |
| Saqlash tayyorlik | Xona harorati, Sovutilgan |
References
Moran VH, Stammers AL, Medina MW, Patel S, Dykes F, Souverein OW, Dullemeijer C, Pérez-Rodrigo C, Serra-Majem L, Nissensohn M, Lowe NM. The relationship between zinc intake and serum/plasma zinc concentration in children: a systematic review and dose-response meta-analysis. Nutrients. 2012 Aug;4(8):841–58. Epub 2012 Jul 26.
Krebs NF. Overview of zinc absorption and excretion in the human gastrointestinal tract. J Nutr. 2000 May;130(5S Suppl):1374S-1377S.
Ford MD, Delaney KA, Ling LJ, Erickson T. Clinical Toxicology. 1st ed. W.B. Saunders Company; 2001.
Chernecky CC, Berger BJ. Laboratory Tests and Diagnostic Procedures. 5th ed. Saunders Elsevier; 2008.