Journals / Türk Biyokimya Dergisi / 2021 / Cilt: 46 - Sayı: 3

Measurement of serum creatinine levels with liquid chromatography-tandem mass spectrometry: comparison with Jaffe and enzymatic methods

yelerinin sıvı kromatografitandem kütle spektrometresi ile ölçülmesi: Jaffe ve enzimatik yöntemlerle karşılaştırılması

Pages
263–271
Publication Date
2022-11-06
DOI
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Conclusions: Although, Jaffe method for serum creatinine measurement is still much more practical and cheap, so in use for routine practice, tandem mass spectrometric detection of serum creatinine can be used as an accurate and specific method for verification of discordant clinical results, existence of possible interferences and serum levels under 0.5 mg/dL creatinine results such as pediatric or pregnant populations.

📌 3 Key Takeaways

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Objective & Hypothesis:Objectives: Our aim was to validate a mass spectrometric creatinine method and compare this method with Jaffe and enzymatic serum creatinine methods.
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Key Findings & Data:Methods: 90 samples were included.
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Conclusion & Impact:Conclusions: Although, Jaffe method for serum creatinine measurement is still much more practical and cheap, so in use for routine practice, tandem mass spectrometric detection of serum creatinine can be used as an accurate and specific method for verification of discordant clinical results, existence of possible interferences and serum levels under 0.5 mg/dL creatinine results such as pediatric or pregnant populations.
🔬Design:Research Article
📍Scope:90 samples
⚙️Variables:Domain Parameters

Abstract

Objectives: Our aim was to validate a mass spectrometric creatinine method and compare this method with Jaffe and enzymatic serum creatinine methods. Methods: 90 samples were included. The levels were classified into three groups according to serum creatinine results as Group 1: Lower (n=30) (0.16–0.59 mg/dL), Group 2: Normal (n=30) (0.62–1.18 mg/dL) and Group 3: Higher (n=30) (1.33–3.88 mg/dL). Jaffe and enzymatic creatinine measurements were performed on the Beckman Coulter AU5800 autoanalyzer. Results: Serum creatinine was linear from 0.039 up to 10 mg/dL, CV and bias values were ranged between 1.9–3.8% and 2–15%. Correlation coefficients were 0.990 (95% confidence interval 0.984–0.993), 0.992 (95% confidence interval 0.988–0.995) and 0.994 (95% confidence interval 0.991–0.996) for LC-MS/MS-Enzymatic, LC-MS/ MS-Jaffe and Enzymatic-Jaffe, respectively. Conclusions: Although, Jaffe method for serum creatinine measurement is still much more practical and cheap, so in use for routine practice, tandem mass spectrometric detection of serum creatinine can be used as an accurate and specific method for verification of discordant clinical results, existence of possible interferences and serum levels under 0.5 mg/dL creatinine results such as pediatric or pregnant populations.

Özet

Amaç: Böbrek yetmezliğinin erken tespiti, tedavinin uygun şekilde başlatılması için önemlidir. Amacımız kütle spektrometrik kreatinin yöntemini doğrulamak ve bu yöntemi Jaffe ve enzimatik serum kreatinin yöntemleriyle karşılaştırmaktı. Gereç ve Yöntemler: Çalışmada 90 serum örneği kullanılmıştır. Serum kreatinin sonuçlarına göre düzeyler Grup 1: Düşük (n=30) (0.16–0.59 mg/dL), Grup 2: Normal (n=30) (0.62–1.18 mg/dL) ve Grup 3: Yüksek (n=30) (1,33–3,88 mg/ dL) olmak üzere 3 ‘e ayrıldı. Jaffe ve enzimatik yöntemle kreatinin düzeyleri Beckman Coulter AU5800 otoanalizöründe ölçüldü. Bulgular: Serum kreatinin ölçümü 0.039 mg/dL’den 10 mg/dL’ye kadar doğrusaldı, CV ve bias değerleri % 1.9–3.8 ile % 2–15 arasında değişmekteydi. Korelasyon katsayıları, LC-MS/MS-Enzimatik, LC-MS / MS-Jaffe ve Enzymatic-Jaffe için sırasıyla 0.990 (95% güven aralığı 0.984 to 0.993), 0.992 (95% güven aralığı 0.988 to 0.995) and 0.994 (95% güven aralığı 0.991 to 0.996) olarak hesaplandı. Sonuç: Serum kreatinin ölçümü için Jaffe yöntemi hala çok daha pratik ve ucuz olmasına rağmen, rutin uygulama için kullanımda, serum kreatininin tandem kütle spektrometrik tespiti interferans olasılığının varlığı, pediyatrik veya hamile popülasyonlar gibi 0,5 mg / dL kreatinin seviyelerinin altındaki serum seviyeleri ile ilişkili uyumsuz klinik sonuçların doğrulanması için kesin ve spesifik bir yöntemdir.

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Cite This Article

ATALAR, M. N., ABUŞOĞLU, S., ÜNLÜ, A., SİVRİKAYA, A., ABUŞOĞLU, G., ONMAZ, D. E., YILDIRIMEL, M. (2022). Measurement of serum creatinine levels with liquid chromatography-tandem mass spectrometry: comparison with Jaffe and enzymatic methods. Türk Biyokimya Dergisi, Cilt: 46 - Sayı: 3, 263–271. https://ajindex.com/articles/620710

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