Cross-Sectional Evaluation of Kidney Function in Hospitalized Patients: Estimated GFR Versus Renal Scintigraphy

Background/Aims: Accurate staging of chronic kidney disease (CKD) is very important. We tried to identify difference in GFR evaluation between CKD-EPI and Gates method with renal scintigraphy and which variables are associated with these differences. Methods: We retrospectively reviewed the records...

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Main Authors: Domenico Santoro, Zaira Zappulla, Angela Alibrandi, Milos Tomasello Andulajevic, Maria Licari, Sergio Baldari, Michele Buemi, Valeria Cernaro, Alfredo Campennὶ
Format: Article
Language:English
Published: Karger Publishers 2014-12-01
Series:Kidney & Blood Pressure Research
Subjects:
Online Access:http://www.karger.com/Article/FullText/355813
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author Domenico Santoro
Zaira Zappulla
Angela Alibrandi
Milos Tomasello Andulajevic
Maria Licari
Sergio Baldari
Michele Buemi
Valeria Cernaro
Alfredo Campennὶ
author_facet Domenico Santoro
Zaira Zappulla
Angela Alibrandi
Milos Tomasello Andulajevic
Maria Licari
Sergio Baldari
Michele Buemi
Valeria Cernaro
Alfredo Campennὶ
author_sort Domenico Santoro
collection DOAJ
description Background/Aims: Accurate staging of chronic kidney disease (CKD) is very important. We tried to identify difference in GFR evaluation between CKD-EPI and Gates method with renal scintigraphy and which variables are associated with these differences. Methods: We retrospectively reviewed the records of 341 patients who underwent dynamic renal scintigraphy in the last 5 years. Patients were categorized according to KDIGO staging I to V, using the eGFR calculated with the CKD-EPI equation. Secondarily, we stratified patients according to treatment with renin-angiotensin system (RAS) inhibitors. Results: Gates method tends to underestimate GFR especially in CKD stage I (mean -22.2 ml/min) and II (mean -12.5 ml/min). The division in quartiles of ages showed an underestimation of GFR only in the first quartile of age (Conclusion: The assessment of GFR by the Gates method must be carefully considered in the early stages of CKD, especially in younger patients. Moreover, the difference is more pronounced in patients treated with RAS inhibitors. Longitudinal studies will prove which method better predicts cardiovascular or renal events.
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spelling doaj.art-6a456230557445a792bc8b05398e04912022-12-22T00:21:05ZengKarger PublishersKidney & Blood Pressure Research1420-40961423-01432014-12-0139666867610.1159/000355813355813Cross-Sectional Evaluation of Kidney Function in Hospitalized Patients: Estimated GFR Versus Renal ScintigraphyDomenico SantoroZaira ZappullaAngela AlibrandiMilos Tomasello AndulajevicMaria LicariSergio BaldariMichele BuemiValeria CernaroAlfredo CampennὶBackground/Aims: Accurate staging of chronic kidney disease (CKD) is very important. We tried to identify difference in GFR evaluation between CKD-EPI and Gates method with renal scintigraphy and which variables are associated with these differences. Methods: We retrospectively reviewed the records of 341 patients who underwent dynamic renal scintigraphy in the last 5 years. Patients were categorized according to KDIGO staging I to V, using the eGFR calculated with the CKD-EPI equation. Secondarily, we stratified patients according to treatment with renin-angiotensin system (RAS) inhibitors. Results: Gates method tends to underestimate GFR especially in CKD stage I (mean -22.2 ml/min) and II (mean -12.5 ml/min). The division in quartiles of ages showed an underestimation of GFR only in the first quartile of age (Conclusion: The assessment of GFR by the Gates method must be carefully considered in the early stages of CKD, especially in younger patients. Moreover, the difference is more pronounced in patients treated with RAS inhibitors. Longitudinal studies will prove which method better predicts cardiovascular or renal events.http://www.karger.com/Article/FullText/355813RAS inhibitorseGFRCKD-EPIMDRDRenal Scintigraphy
spellingShingle Domenico Santoro
Zaira Zappulla
Angela Alibrandi
Milos Tomasello Andulajevic
Maria Licari
Sergio Baldari
Michele Buemi
Valeria Cernaro
Alfredo Campennὶ
Cross-Sectional Evaluation of Kidney Function in Hospitalized Patients: Estimated GFR Versus Renal Scintigraphy
Kidney & Blood Pressure Research
RAS inhibitors
eGFR
CKD-EPI
MDRD
Renal Scintigraphy
title Cross-Sectional Evaluation of Kidney Function in Hospitalized Patients: Estimated GFR Versus Renal Scintigraphy
title_full Cross-Sectional Evaluation of Kidney Function in Hospitalized Patients: Estimated GFR Versus Renal Scintigraphy
title_fullStr Cross-Sectional Evaluation of Kidney Function in Hospitalized Patients: Estimated GFR Versus Renal Scintigraphy
title_full_unstemmed Cross-Sectional Evaluation of Kidney Function in Hospitalized Patients: Estimated GFR Versus Renal Scintigraphy
title_short Cross-Sectional Evaluation of Kidney Function in Hospitalized Patients: Estimated GFR Versus Renal Scintigraphy
title_sort cross sectional evaluation of kidney function in hospitalized patients estimated gfr versus renal scintigraphy
topic RAS inhibitors
eGFR
CKD-EPI
MDRD
Renal Scintigraphy
url http://www.karger.com/Article/FullText/355813
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