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Glomerular filtration rate: which method should we measure in daily clinical practice?

Date

2013

Author

Yildiz, G.
Magden, K.
Abdulkerim, Y.
Ozcicek, F.
Hur, E.
Candan, F.

Metadata

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Abstract

Aim. In this study, we compared estimated glomerular filtration rate (eGFR) calculated with the formulas of Cockcroft-Gault (C&G), Modification of Diet in Renal Disease (MDRD), Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) and Mayo Clinic Quadratic (Mayo Q) and, GFR (mGFR) that was scintigraphically measured with creatinine clearance (CrCl) and technetium-99m diethylene triamine penta-acetic acid (99mTc-DTPA). Objective of this study was to define the correlations between the formulas, provide a reliable method for measurement and estimation of GFR in daily clinical practice and demonstrate the potential errors. Methods. C&G, CKD-EPI, Mayo Q and MDRD eGFR of 84(37 males, 47 females) patients diagnosed with chronic kidney disease were calculated. Values of 99mTc-DTPA based on mGFR were compared with eGFR values of the formulas. Results. Significant correlations were found with the values of 99mTc-DTPA mGFR, CrCl, MDRD, CKD-EPI, Mayo Q and C&G eGFR. The highest correlation was found between LBM(lean body mass) corrected C&G, MDRD-6, Mayo Q and CKD-EPI eGFR. The best estimate was made with MDRD-6 in the cases with 99mTc-DTPA mGFR<30 mL/min/1.73 m(2) and with MDRD-4 in the cases with 99mTc-DTPA mGFR >= 30 mL/min/1.73 m(2), while the worst estimate was made with uncorrected C&G formula in both groups. Conclusion. All eGFR formulas can be used in daily clinical practice. However, using MDRD-6 in the cases with GFR<30 mL/min/1.73 m2 and MDRD-4 in the cases with GFR >= 30 mL/min/1.73m(2) as well as using LBM for C&G eGFR or correction according to LBM when AW (actual weight) is used, might provide a more accurate estimation.

Source

MINERVA MEDICA

Volume

104

Issue

6

URI

https://hdl.handle.net/20.500.12418/8491

Collections

  • Makale Koleksiyonu [5200]
  • Makale Koleksiyonu [5745]
  • Öksüz Yayınlar Koleksiyonu - WoS [6175]



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