Kreatinin, siydik (24 soatlik)
Kod:7009|CPT:82570|LOINC:2161-8, 2162-6
| Kabi | Kreatinin, siydik Kreatinin, siydik 24 soat |
|---|
Tahlil ma'lumotlari
Tadqiqot usuli
- Yaffe kinetik usuli
Kutilayotgan natija topshirish vaqti
1 kun
Maxsus tayyorlik
- Record the total 24-hour urine volume on the test requisition.
- Avoid alcohol for 24 hours before starting and throughout the collection period.
- For 12 hours before collection, avoid spicy or salty foods and items that can discolor urine (eg, beetroot, carrots).
- With clinician approval only, hold diuretics for 48 hours before and during the collection.
- Avoid strenuous physical activity and significant emotional stress during the 24-hour collection.
Qanday foydalanish
Kreatinin, siydik (24 soatlik) (siydikdagi kreatinin; 24 soatlik siydikdagi kreatinin) buyrak funksiyasini baholash uchun zardobdagi kreatinin va qayd etilgan to‘plam hajmi bilan birga qo‘llanadi; bu ma’lumotlar glomerulyar filtrlash tezligini taxmin qilish maqsadida kreatinin klirensini chiqarish uchun ishlatiladi. Tahlil o‘tkir va surunkali buyrak kasalliklarida diagnostik baholash va uzluksiz monitoringni qo‘llab-quvvatlaydi. O‘lchangan 24 soatlik siydikdagi kreatinin, boshqa laborator analizlar uchun o‘tkazilgan vaqtli siydik to‘plamlarining to‘liqligi bo‘yicha taxminiy (qo‘pol) ko‘rsatkich sifatida ham xizmat qiladi.
Cheklovlar
Kreatinin (1-metilglikotsiamidin) asosan skelet mushagida kreatin va fosfokreatindan hosil bo‘ladi. Odatdagi fiziologik sharoitda u plazmadan glomerulyar filtrlash orqali chiqariladi va buyrak naychachalaridagi qayta so‘rilishi minimal. Muayyan individ uchun kunlik siydikdagi kreatinin ajralishi ancha doimiy bo‘lsa-da, mushak massasi, yosh va jinsga qarab farqlanadi; ajralishi odatda erkaklarda ayollar va bolalarga nisbatan yuqoriroq. Zardob va 24 soatlik siydikdagi kreatininni bir vaqtda o‘lchash kreatinin klirensini hisoblash imkonini beradi va bu glomerulyar filtrlash tezligini taxmin qilish uchun qo‘llanadi. Juda past siydik oqim tezliklarida kreatininning buyrak naychachalarida qayta so‘rilishi yuz berishi mumkin, bu siydik orqali kreatinin ajralishini kamaytiradi. Bunday holat og‘ir konjestiv yurak yetishmovchiligi, nazorat qilinmagan qandli diabet va o‘tkir buyrak yetishmovchiligi kabi vaziyatlarda kuzatiladi.
| O'lchov birligi | mg/24h | ||||
|---|---|---|---|---|---|
| Referens oraliq |
| ||||
| Ko'rsatmalar | Baseline appraisal of renal function during general health evaluation., Workup of suspected kidney disease when clinical signs are present, including edema (periorbital or lower-extremity), abnormal urine characteristics, flank pain, or voiding abnormalities., Assessment in conditions commonly involving the kidneys, such as hypertension, diabetes mellitus, systemic lupus erythematosus, and vasculitis., Monitoring response to therapy in acute or chronic kidney disease., Verification of completeness of 24-hour urine collections used for other analytes. |
Natija og'ishlarining mumkin sabablari
Oshgan daraja
- ascorbic acid
- cefazolin
- cefoxitin
- cephalothin
- corticosteroids
- fluoxymesterone
- meat ingestion
- methotrexate
- methyldopa
- nandrolone
- nitrofurantoin
- nitrofurazone
- oxymetholone
- prednisolone
- pregnancy
- strenuous exercise
Pasaygan daraja
- acute renal failure
- captopril
- cimetidine
- ketoprofen
- low urine flow
- probenecid
- quinapril
- severe congestive heart failure
- thiazide diuretics
- trimethoprim
- uncontrolled diabetes mellitus
Namunangiz talablari
| Namunangiz | Urina |
|---|---|
| Container | Sutkalik siydik yig'ish idishi |
| Hajm | 10 mL (min 0.5 mL) |
| Saqlash tayyorlik | Xona harorati, Sovutilgan, Muzlatilgan |
References
Fischbach F.T., Dunning M.B. A Manual of Laboratory and Diagnostic Tests, 8th Ed. Lippincott Williams & Wilkins, 2008: 1344 p.