Search Results - "Christenson, R. H."

Effects of dietary carbohydrate on 1,5‐anhydroglucitol in a population without diabetes: results from the OmniCarb trial by Juraschek, S. P., Miller, E. R., Appel, L. J., Christenson, R. H., Sacks, F. M., Selvin, E.

“…Aims To determine the effects of dietary changes in amount and type of carbohydrate on 1,5‐anhydroglucitol levels. Methods We conducted an ancillary study to a…”
Get full text

Biochemical markers of the acute coronary syndromes by Christenson, Robert H, Azzazy, Hassan M. E

“…The acute coronary syndromes represent a continuum of myocardial ischemia ranging from angina, reversible tissue injury --> unstable angina, frequently…”
Get full text

Characteristics of an Albumin Cobalt Binding Test for Assessment of Acute Coronary Syndrome Patients: A Multicenter Study by Christenson, Robert H, Duh, Show Hong, Sanhai, Wendy R, Wu, Alan H.B, Holtman, Verena, Painter, Pennell, Branham, Elizabeth, Apple, Fred S, Murakami, MaryAnn, Morris, Deborah L

“…The ability of the N-terminal region of human albumin to bind cobalt is diminished by myocardial ischemia. The characteristics of an assay based on albumin…”
Get full text

National academy of clinical biochemistry laboratory medicine practice guidelines : Clinical characteristics and utilization of biochemical markers in acute coronary syndromes by Morrow, David A, Cannon, Christopher P, Jesse, Robert L, Newby, L Kristin, Ravkilde, Jan, Storrow, Alan B, Wu, Alan H B, Christenson, Robert H, Apple, Fred S, Francis, Gary, Tang, Wilson

“…Nevertheless, the most common cause is atherosclerotic coronary artery disease with erosion or rupture of atherosclerotic plaque, exposing the highly…”
Get full text

Cardiac Troponin T Levels for Risk Stratification in Acute Myocardial Ischemia by Ohman, E. Magnus, Armstrong, Paul W, Christenson, Robert H, Granger, Christopher B, Katus, Hugo A, Hamm, Christian W, O'Hanesian, Mary Ann, Wagner, Galen S, Kleiman, Neal S, Harrell, Frank E, Califf, Robert M, Topol, Eric J, Lee, Kerry L

“…Patients who come to the hospital with acute myocardial ischemic syndromes represent a continuum of disease from unstable angina to acute infarction. The…”
Get full text

Simultaneous Rapid Measurement of Whole Blood Myoglobin, Creatine Kinase MB, and Cardiac Troponin I by the Triage Cardiac Panel for Detection of Myocardial Infarction by Apple, Fred S, Christenson, Robert H, Valdes, Roland, Jr, Andriak, Alexander J, Berg, Amy, Duh, Show-Hong, Feng, Yue-Jin, Jortani, Saeed A, Johnson, Nancy A, Koplen, Brenda, Mascotti, Kristin, Wu, Alan H.B

“…This multicenter study evaluated the Biosite Triage(R) Cardiac Panel as a quantitative, multimarker, whole blood system for the detection of acute myocardial…”
Get full text

Standardization of Cardiac Troponin I Assays: Round Robin of Ten Candidate Reference Materials by Christenson, Robert H, Duh, Show Hong, Apple, Fred S, Bodor, Geza S, Bunk, David M, Dalluge, Joseph, Panteghini, Mauro, Potter, James D, Welch, Michael J, Wu, Alan H.B, Kahn, Stephen E

“…Cardiac troponin I (cTnI) results vary 100-fold among assays. As a step toward standardization, we examined the performance of 10 candidate reference materials…”
Get full text

National Academy of Clinical Biochemistry Laboratory Medicine Practice Guidelines: Use of Cardiac Troponin and B-Type Natriuretic Peptide or N-Terminal proB-Type Natriuretic Peptide for Etiologies Other than Acute Coronary Syndromes and Heart Failure by NACB WRITING GROUP MEMBERS, Wu, Alan H.B, Jaffe, Allan S, Apple, Fred S, Jesse, Robert L, Francis, Gary L, Morrow, David A, Newby, L. Kristin, Ravkilde, Jan, Tang, W.H. Wilson, Christenson, Robert H, NACB COMMITTEE MEMBERS, Cannon, Christopher P, Storrow, Alan B

“…In the majority of these studies, cTnT or cTnI cutoff concentrations were higher than either the 99th percentile or the 10% CV value. These and other studies…”
Get full text

Intra- and interindividual variations in urinary concentrations of endogenous gamma-hydroxybutyrate by LEBEAU, Marc A, CHRISTENSON, Robert H, LEVINE, Barry, DARWIN, W. David, HUESTIS, Marilyn A

“…This study was designed to determine the urinary concentrations of endogenous GHB over a one-week period, the variations that occur within those…”
Get full text

National academy of clinical biochemistry and IFCC committee for standardization of markers of cardiac damage laboratory medicine practice guidelines : Analytical issues for biochemical markers of acute coronary syndromes by APPLE, Fred S

“…In 1999, the National Academy of Clinical Biochemistry (NACB)6 published the first standards of laboratory practice addressing analytical and clinical…”
Get full text

International survey on the use of cardiac markers by APPLE, Fred S, MURAKAMI, Maryann, PANTEGHINI, Mauro, CHRISTENSON, Robert H, DATI, Francesco, MAIR, Johannes, WU, Alan H. B

Get full text

Prodromal unstable angina in acute myocardial infarction: Prognostic value of short- and long-term outcome and predictor of infarct size by Bahr, Raymond D., Leino, E.Victor, Christenson, Robert H.

“…Background An estimated 50% of patients with myocardial infarction have prodromal unstable angina. There is controversy over whether prodromal unstable angina…”
Get full text

Trial design for assessing analytical and clinical performance of high-sensitivity cardiac troponin I assays in the United States: The HIGH-US study by Christenson, R.H, Peacock, W.F, Apple, F.S, Limkakeng, A.T, Nowak, R.M, McCord, J, deFilippi, C.R

“…Abstract Background High-sensitivity cardiac troponin I (hs-cTnI) assays have been developed that quantify lower cTnI concentrations with better precision…”
Get full text

Multicenter Clinical and Analytical Evaluation of the AxSYM Troponin-I Immunoassay to Assist in the Diagnosis of Myocardial Infarction by Apple, Fred S, Maturen, Andrew J, Mullins, Richard E, Painter, Pennell C, Pessin-Minsley, Melissa S, Webster, Robert A, Spray Flores, Jennifer, DeCresce, Robert, Fink, Daniel J, Buckley, Patrice M, Marsh, Julie, Ricchiuti, Vincent, Christenson, Robert H

“…We evaluated the AxSYM troponin I (cTnI) immunoassay for assisting in the detection of acute myocardial infarction (AMI). At four sites, the total imprecision…”
Get full text

Recommendation to harmonize the units for reporting cardiac troponin results by Barth, J.H., Panteghini, M., Bunk, D.M., Christenson, R.H., Katrukha, A., Noble, J.E., Schimmel, H., Wang, L., Tate, J.R.

Get full text

Case definitions for acute coronary heart disease in epidemiology and clinical research studies a statement from the AHA council on epidemiology and prevention; AHA statistics committee; World heart federation council on epidemiology and prevention; the European Society of Cardiology Working Group on Epidemiology and Prevention; Centers for Disease Control and Prevention; and the National Heart, Lung, and Blood Institute by LUEPKER, Russell V, APPLE, Fred S, LEVY, Daniel, MANOLIO, Ten, MENDIS, Shanthi, MENSAH, George, PAJAK, Andrzej, PRINEAS, Ronald J, SRINATH REDDY, K, ROGER, Veronique L, ROSAMOND, Wayne D, SHAHAR, Eyal, CHRISTENSON, Robert H, SHARRETT, A. Richey, SORLIE, Paul, TUNSTALL-PEDOE, Hugh, CROW, Richard S, FORTMANN, Stephen P, GOFF, David, GOLDBERG, Robert J, HAND, Mary M, JAFFE, Allan S, JULIAN, Desmond G

Get full text

Cardiac troponin I measurement with the ACCESS® immunoassay system: analytical and clinical performance characteristics by Christenson, Robert H, Apple, Fred S, Morgan, David L, Alonsozana, Gladys L, Mascotti, Kristin, Olson, Marilyn, McCormack, Robert T, Wians, Frank H., Jr, Keffer, Joseph H, Duh, Show-Hong

“…We evaluated the ACCESS cardiac troponin I (cTnI) immunoassay as a marker for myocardial infarction (MI). Total imprecision was 6.0% to 13.5%, the minimum…”
Get full text

Biochemical Markers of Bone Metabolism: An Overview by Christenson, Robert H.

“…Objectives: An overview of biochemical markers of bone metabolism is presented along with indications for their clinical utilization. Design and Methods: The…”
Get full text

Cardiac markers: point of care testing by Hudson, Michael P., Christenson, Robert H., Newby, L.Kristin, Kaplan, Andrew L., Ohman, E.Magnus

“…Point-of-care (POC) or “near-patient” testing allows diagnostic assays to be performed in locations such as the emergency department or intensive care unit…”
Get full text

Characteristics of myoglobin, carbonic anhydrase III and the myoglobin/carbonic anhydrase III ratio in trauma, exercise, and myocardial infarction patients by Beuerle, John R, Azzazy, Hassan M.E, Styba, Garth, Duh, Show-Hong, Christenson, Robert H

“…Carbonic anhydrase III (CA III) is an enzyme present in skeletal muscle which is released into circulation following injury. Myoglobin (Mb) is a heme protein…”
Get full text