Search Results - "ROHLFING, Curt"

The long and winding road to optimal HbA1c measurement by Little, Randie R., Rohlfing, Curt L.

“…The importance of hemoglobin A1c (HbA1c) as an indicator of mean glycemia and risks for complications in patients with diabetes mellitus was established by the…”
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Status of hemoglobin A1c measurement and goals for improvement: from chaos to order for improving diabetes care by Little, Randie R, Rohlfing, Curt L, Sacks, David B

“…The Diabetes Control and Complications Trial (DCCT) and United Kingdom Prospective Diabetes Study (UKPDS) established the importance of hemoglobin A(1c) (Hb…”
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Comment on Lewis et al. Management of Hemoglobin Variants Detected Incidentally in HbA1c Testing: A Common Problem Currently Lacking a Standard Approach. Diabetes Care 2017;40:e8–e9 by Little, Randie R., Rohlfing, Curt L.

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Effects of Hemoglobin (Hb) E and HbD Traits on Measurements of Glycated Hb (HbA1c) by 23 Methods by Little, Randie R, Rohlfing, Curt L, Hanson, Steve, Connolly, Shawn, Higgins, Trefor, Weykamp, Cas W, D'Costa, Mario, Luzzi, Veronica, Owen, William E, Roberts, William L

“…Glycohemoglobin (GHB), reported as hemoglobin (Hb) A(1c), is a marker of long-term glycemic control in patients with diabetes and is directly related to risk…”
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Effects of 49 Different Rare Hb Variants on HbA1c Measurement in Eight Methods by Little, Randie R., La’ulu, Sonia L., Hanson, Steven E., Rohlfing, Curt L., Schmidt, Robert L.

“…Background: Previous studies have shown interference with HbA1c measurement from the 4 most common heterozygous Hb variants (HbAS, HbAE, HbAC, and HbAD) with…”
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Higher degree of glycation of hemoglobin S compared to hemoglobin A measured by mass spectrometry: Potential impact on HbA1c testing by Kabytaev, Kuanysh, Connolly, Shawn, Rohlfing, Curt L., Sacks, David B., Stoyanov, Alexander V., Little, Randie R.

“…Glycated hemoglobin (GHb), reported as HbA1c, is used as marker of long-term glycemia for diabetic patients. HbA1c results from boronate affinity methods are…”
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Defining the relationship between plasma glucose and HbA1c: Analysis of glucose profiles and HbA1c in the Diabetes Control and Complications trial by ROHLFING, Curt L, WIEDMEYER, Hsiao-Mei, LITTLE, Randie R, ENGLAND, Jack D, TENNILL, Alethea, GOLDSTEIN, David E

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Assessing quality from an accuracy-based HbA1c proficiency survey by Little, Randie R, Rohlfing, Curt L

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Measurement of Hba(1C) in patients with chronic renal failure by Little, Randie R, Rohlfing, Curt L, Tennill, Alethea L, Hanson, Steven E, Connolly, Shawn, Higgins, Trefor, Wiedmeyer, Charles E, Weykamp, Cas W, Krause, Richard, Roberts, William

“…Carbamylated hemoglobin (carbHb) is reported to interfere with measurement and interpretation of HbA(1c) in diabetic patients with chronic renal failure (CRF)…”
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Two‐step ion‐exchange chromatographic purification combined with reversed‐phase chromatography to isolate C‐peptide for mass spectrometric analysis by Kabytaev, Kuanysh, Durairaj, Anita, Shin, Dmitriy, Rohlfing, Curt L, Connolly, Shawn, Little, Randie R, Stoyanov, Alexander V

“…A liquid chromatography with mass spectrometry on‐line platform that includes the orthogonal techniques of ion exchange and reversed phase chromatography is…”
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Comparing analytic performance criteria: Evaluation of HbA1c certification criteria as an example by Rohlfing, Curt L., Parvin, Curtis A., Sacks, David B., Little, Randie R.

“…Direct comparison of analytical performance criteria that utilize different statistical approaches can be problematic. We describe a mathematical approach to…”
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Standardization of C-Peptide Measurements by Little, Randie R, Rohlfing, Curt L, Tennill, Alethea L, Madsen, Richard W, Polonsky, Kenneth S, Myers, Gary L, Greenbaum, Carla J, Palmer, Jerry P, Rogatsky, Eduard, Stein, Daniel T

“…C-peptide is a marker of insulin secretion in diabetic patients. We assessed within- and between-laboratory imprecision of C-peptide assays and determined…”
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Point-of-care assays for hemoglobin A(1c): is performance adequate? by Little, Randie R, Lenters-Westra, Erna, Rohlfing, Curt L, Slingerland, Robbert

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Use of cation exchange chromatography for human C-peptide isotope dilution – Mass spectrometric assay by Stoyanov, Alexander V., Rohlfing, Curt L., Connolly, Shawn, Roberts, Matthew L., Nauser, Christopher L., Little, Randie R.

“…► Due to specific nature of C-peptide (low isoelectric point), cation exchange chromatography allows very fast and efficient purification of C-peptide from…”
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Effects of whole blood storage on hemoglobin a1c measurements with five current assay methods by Rohlfing, Curt L, Hanson, Steven, Tennill, Alethea L, Little, Randie R

“…Hemoglobin A1c (HbA1c) is an important index of average glycemia in patients with diabetes mellitus that is widely used in clinical trials and large-scale…”
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The Effect of Elevated Fetal Hemoglobin on Hemoglobin A1c Results : Five Common Hemoglobin A1c Methods Compared With the IFCC Reference Method by ROHLFING, Curt L, CONNOLLY, Shawn M, ENGLAND, Jack D, HANSON, Steven E, MOELLERING, Christina M, BACHELDER, Janielle R, LITTLE, Randie R

“…Hemoglobin A1c (HbA1c) is an important indicator of risk for complications in patients with diabetes mellitus. Elevated fetal hemoglobin (HbF) levels have been…”
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The Effect of Increased Fetal Hemoglobin on 7 Common Hb A1c Assay Methods by LITTLE, Randie R, ROHLFING, Curt L, HANSON, Steven E, SCHMIDT, Robert L, LIN, Chia-Ni, MADSEN, Richard W, ROBERTS, William L

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Effects of Hemoglobin C and S Traits on the Results of 14 Commercial Glycated Hemoglobin Assays by MONGIA, Shella K, LITTLE, Randie R, ROHLFING, Curt L, HANSON, Steve, ROBERTS, Richard F, OWEN, William E, D'COSTA, Mario A, REYES, Christine A, LUZZI, Veronica I, ROBERTS, William L

“…Glycated hemoglobin is widely used in the management of diabetes mellitus. At least 300,000 Americans with diabetes mellitus have the hemoglobin (Hb) C or S…”
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Effects of hemoglobin C and S traits on glycohemoglobin measurements by eleven methods by ROBERTS, William L, SAFAR-POUR, Sekineh, DE, Barun K, ROHLFING, Curt L, WEYKAMP, Cas W, LITTLE, Randie R

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Use of GHb (HbA1c) in screening for undiagnosed diabetes in the U.S. population by ROHLFING, C. L, LITTLE, R. R, WIEDMEYER, H.-M, ENGLAND, J. D, MADSEN, R, HARRIS, M. I, FLEGAL, K. M, EBERHARDT, M. S, GOLDSTEIN, D. E

“…Use of GHb (HbA1c) in screening for undiagnosed diabetes in the U.S. population. C L Rohlfing , R R Little , H M Wiedmeyer , J D England , R Madsen , M I…”
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