Journals / Medeniyet Medical Journal / 2016 / Cilt: 31 - Sayı: 4

Spot urine protein/creatinine ratio is associated with 24-hour proteinuria and serum albumin

Spot idrar protein/kreatinin oranı, 24 saatlik idrarda proteinüri ve serum albumin ile ilişkilidir

Pages
241–244
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Spot urine PCR is an easy and reliable method for measu- rement of proteinuria.

📌 3 Key Takeaways

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Objective & Hypothesis:Proteinuria is an important risk factor for renal and cardiovascular diseases.
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Key Findings & Data:Inconstinencies in the mea- surements of proteinuria with different methods such as urinaly- sis, spot urine protein to creatinin ratio (PCR) and 24-hour-urine proteinuria lead to confusion in the management of the patients.
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Conclusion & Impact:Spot urine PCR is an easy and reliable method for measu- rement of proteinuria.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Proteinuria is an important risk factor for renal and cardiovascular diseases. In nephrology practice, treatment decisions are made according to proteinuria levels. Inconstinencies in the mea- surements of proteinuria with different methods such as urinaly- sis, spot urine protein to creatinin ratio (PCR) and 24-hour-urine proteinuria lead to confusion in the management of the patients. Herein, we aimed to compare these three proteinuria measure- ment methods within themselves, and serum albumin levels,and evaluate existing correlations. A total of 1038 urine tests were evaluated. Urinalysis was performed using FUS-200/H-800 fullautomatic urinalysis system. Spot urine PCR and 24-hour-urine proteinuria were measured turbidometrically. Serum albumin concentrations were measured photometrically. Urine samples with more than 10 leukocytes or erythrocytes in urine sediments were not included in the analysis.. Proteinuria detected with uri- nalysis was significantly associated with spot urine PCR (r=0.75, p<0.001), 24-hour proteinuria (r=0.76, p<0.001) and serum albu- min levels (r= -0.36, p<0.001). In patients with 3+ proteinuria in urinalysis, urine PCR was measured as 5.59 (2.76-9.11) g/day; 24-hour proteinuria, 4.54 (2.85-9.05) g/day and serum albumin level, 3.08±0.86 g/dL. Spot urine PCR was significantly correla- ted with 24-hour proteinuria (r=0.80, p<0.001). Both spot urine PCR and 24-hour proteinuria were significantly and negatively correlated with serum albumin levels (r=-0.54, p<0.001 and r=- 0.54, p<0.001, respectively). Spot urine PCR obtained from both morning and afternoon samples were significantly associated with 24-hour proteinuria (r=0.83, p<0.001 and r=0.82, p<0.001 respectively). All three methods of measurement for proteinuria were significantly associated with each other and serum albumin levels. Spot urine PCR is an easy and reliable method for measu- rement of proteinuria.

Özet

Proteinüri, renal ve kardiyovasküler hastalıklarda önemli bir risk faktörüdür. Nefroloji pratiğinde, hastaların tedavileri proteinüri seviyelerine göre düzenlenmektedir. Bazı durumlarda tam idrar tahlili (TİT), spot idrar protein/kreatinin oranı (PKO) ve 24-saatlik idrar proteinüri ölçümlerinde görülen tutarsızlıklar, hastaların tedavilerinin düzenlenmesi sırasında kafa karışıklığına yol aç- maktadır. Bu çalışmamızda, bu üç proteinüri ölçüm yönteminin kendi arasında ve serum albümin seviyeleriyle karşılaştırılması ve korelasyonlarının değerlendirilmesi amaçlanmıştır. Toplam 1038 idrar örneği değerlendirildi. TİT, FUS-200/H-800 Tam Otomatik İdrar Analiz Sistemi kullanılarak çalışıldı. Spot ve 24-saatlik id- rar örneklerinde proteinüri, turbidimetrik olarak ölçüldü. Serum albümin konsantrasyonu fotometrik renk testi ile ölçüldü. İdrar sedimentinde >10 lökosit veya eritrositi olan idrar örnekleri çalış- maya dahil edilmedi. TİT’deki proteinüri miktarı, spot idrar PKO (r=0.75, p<0.001), 24 saatlik proteinüri (r=0.76, p<0.001) ve se- rum albümin (r=-0.36, p<0.001) seviyeleri ile anlamlı olarak ilişki- liydi. TİT’de 3+ proteinüri saptanan hastaların median spot idrar PKO’su 5.59 (2.76-9.11) g/gün, 24 saatlik proteinüri 4.54 (2.85- 9.05) g/gün ve ortalama serum albumin seviyesi 3.08 ± 0.86 g/dL olarak belirlendi. Spot idrar PKO ile 24 saatlik proteinüri anlamlı olarak ilişkili bulundu (r=0.80, p<0.001). Hem spot idrar PKO hem de 24-saatlik proteinüri, serum albumin ile anlamlı olarak ters korele bulundu(sırasıyla r=-0.54, p<0.001 ve r=-0.54, p<0.001). Hem sabah hem de öğleden sonra alınan spot idrar PKO ile 24 sa- atlik proteinürinin anlamlı olarak ilişkili olduğu gözlendi (sırasıy- la r=0.83, p<0.001 ve r=0.82, p<0.001). Her üç proteinüri ölçüm yöntemi de birbirleriyle ve serum albumin seviyeleri ile anlamlı olarak ilişkilidir. Günün herhangi bir saatinde alınan spot idrar PKO, proteinüri ölçümünde kolay ve güvenilir bir yöntem olarak kullanılabilir.

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Cite This Article

ALKAN, Ö., ÖZKÖK, A., ÖZPORTAKAL, H., BULUT, A. S., İŞMAN, F., ODABAŞ, A. R. (2016). Spot urine protein/creatinine ratio is associated with 24-hour proteinuria and serum albumin. Medeniyet Medical Journal, Cilt: 31 - Sayı: 4, 241–244. https://ajindex.com/articles/283362

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