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John H Eckfeldt

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Articles 155
Citations 6637
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Recent Articles
11.
Schwartz G, Wang H, Erway B, Nordin G, Seegmiller J, Lieske J, et al.
J Appl Lab Med . 2019 Jul; 2(5):711-724. PMID: 31276084
Background: Iohexol is utilized for measurement of kidney glomerular filtration rate (GFR). Until recently, there have not been available proficiency standards to assist in calibrating a laboratory's results. In view...
12.
Schmit D, Carroll L, Eckfeldt J, Seegmiller J
Clin Biochem . 2019 Mar; 67:16-23. PMID: 30905584
Background: The glomerular filtration rate (GFR) is monitored clinically to follow renal function of a patient. This is commonly performed using endogenous compounds, which estimate GFR (eGFR). However, several conditions...
13.
Waikar S, Rebholz C, Zheng Z, Hurwitz S, Hsu C, Feldman H, et al.
Am J Kidney Dis . 2018 Jul; 72(4):538-546. PMID: 30031564
Rationale & Objective: Determining whether a change in estimated glomerular filtration rate (eGFR) or albuminuria is clinically significant requires knowledge of short-term within-person variability of the measurements, which few studies...
14.
Seegmiller J, Eckfeldt J, Lieske J
Adv Chronic Kidney Dis . 2018 Mar; 25(1):84-92. PMID: 29499892
The assessment of kidney function is a cornerstone in the clinical management and health of the patient. Although the kidneys perform many physiologic functions and are essential for maintaining homeostasis,...
15.
Karger A, Inker L, Coresh J, Levey A, Eckfeldt J
EJIFCC . 2018 Jan; 28(4):277-288. PMID: 29333147
Creatinine-based glomerular filtration rate estimation (eGFR) has been improved and refined since the 1970s through both the Modification of Diet in Renal Disease (MDRD) Study equation in 1999 and the...
16.
Phinney K, Sempos C, Tai S, Camara J, Wise S, Eckfeldt J, et al.
J AOAC Int . 2017 Aug; 100(5):1288-1293. PMID: 28797319
The Vitamin D Standardization Program (VDSP) coordinated a study in 2012 to assess the commutability of reference materials and proficiency testing/external quality assurance materials for total 25-hydroxyvitamin D [25(OH)D] in...
17.
Rebholz C, Inker L, Chen Y, Liang M, Foster M, Eckfeldt J, et al.
Am J Kidney Dis . 2017 Jun; 70(4):551-560. PMID: 28648303
Background: Using change in estimated glomerular filtration rate (eGFR) based on creatinine concentration as a surrogate outcome in clinical trials of chronic kidney disease has been proposed. Risk for end-stage...
18.
Inker L, Levey A, Tighiouart H, Shafi T, Eckfeldt J, Johnson C, et al.
Nephrol Dial Transplant . 2017 May; 33(3):417-425. PMID: 28505377
Background: The Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations are recommended for glomerular filtration rate (GFR) estimation in the general population. They have not been evaluated in community-based populations, including...
19.
White C, Akbari A, Eckfeldt J, Chakraborty D, McCudden C, Flemming J, et al.
Am J Kidney Dis . 2017 Apr; 69(6):866-868. PMID: 28410764
No abstract available.
20.
Levey A, Eckfeldt J
Clin Chem . 2017 Apr; 63(6):1161-1162. PMID: 28381407
No abstract available.