Renin
Kod:9042
| Kabi | Renin |
|---|
Tahlil ma'lumotlari
Tadqiqot usuli
- Ferment immunoanalizi (EIA)
Kutilayotgan natija topshirish vaqti
1 kun
Maxsus tayyorlik
- Avoid alcohol for 24 hours before collection.
- Fast for 12 hours; water is permitted.
- With clinician approval, discontinue renin inhibitors 7 days before testing.
- With clinician approval, avoid the following agents for 24 hours before testing: captopril, chlorpropamide, diazoxide, enalapril, guanethidine, hydralazine, lisinopril, minoxidil, nifedipine, nitroprusside, potassium-sparing diuretics (amiloride, spironolactone, triamterene), and thiazide diuretics (bendroflumethiazide, chlorthalidone).
- If clinically feasible and with clinician approval, avoid all medications for 24 hours prior to collection.
- Avoid physical and emotional stress for 24 hours before collection.
- Remain in a standing or supine position for 60 minutes before phlebotomy.
- Do not smoke for 3 hours before collection.
- Collect between 07:00 and 10:00.
Qanday foydalanish
Renin testi, to‘g‘ridan-to‘g‘ri renin yoki plazma renin konsentratsiyasi deb ham ataladi, gipertoniya va elektrolit buzilishlarini baholashda renin–aldosteron tizimi disregulyatsiyasini aniqlash uchun qo‘llanadi. Natijalar bir vaqtda o‘lchangan aldosteron ko‘rsatkichi bilan birgalikda talqin qilinadi; bu birlamchi giperaldosteronizm uchun skrining o‘tkazish va birlamchi hamda ikkilamchi giperaldosteronizmni farqlashga yordam beradi. Shuningdek, gumon qilingan renovaskulyar gipertoniyani va renin sekretsiyasi o‘zgargan boshqa holatlarni baholashga yordam berishi mumkin.
Cheklovlar
Buyrakdan renin ajralishi arterial bosim pasayganda, natriy konsentratsiyasi kamayganda yoki kaliy konsentratsiyasi oshganda kuchayadi. Renin angiotenzinogeni angiotenzin I ga parchalaydi, angiotenzinni aylantiruvchi ferment (ACE) esa uni angiotenzin II ga aylantiradi; angiotenzin II kuchli vazokonstriksiyani keltirib chiqaradi va aldosteron sekretsiyasini stimulyatsiya qiladi. Ushbu ta’sirlar qon bosimini oshiradi va natriy hamda kaliy gomeostazini tartibga solishga yordam beradi. Shu yaqin fiziologik bog‘liqlik tufayli, renin (to‘g‘ridan-to‘g‘ri renin konsentratsiyasi ham) odatda aldosteron bilan birga o‘lchanadi.
| Referens oraliq |
| ||||
|---|---|---|---|---|---|
| Ko'rsatmalar | Hypertension accompanied by hypokalemia, Resistant hypertension or hypertension with early onset, Suspected primary aldosteronism; order with aldosterone for interpretation |
Natija og'ishlarining mumkin sabablari
Oshgan daraja
- morning collection
- upright posture
Namunangiz talablari
| Namunangiz | To'liq qon |
|---|---|
| Container | Lavanda qopqoqli probirka (K3 EDTA) |
| Saqlash tayyorlik | Sovutilgan, Muzlatilgan |