R H Christenson

Summary

Affiliation: University of Maryland
Country: USA

Publications

  1. ncbi request reprint Cardiac troponin T and cardiac troponin I: relative values in short-term risk stratification of patients with acute coronary syndromes. GUSTO-IIa Investigators
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore, USA
    Clin Chem 44:494-501. 1998
  2. ncbi request reprint Biochemical markers of the acute coronary syndromes
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore 21201, USA
    Clin Chem 44:1855-64. 1998
  3. ncbi request reprint Relation of temporal creatine kinase-MB release and outcome after thrombolytic therapy for acute myocardial infarction. TAMI Study Group
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore
    Am J Cardiol 85:543-7. 2000
  4. ncbi request reprint Cardiac troponin I measurement with the ACCESS immunoassay system: analytical and clinical performance characteristics
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore 21201, USA
    Clin Chem 44:52-60. 1998
  5. ncbi request reprint Characteristics of an Albumin Cobalt Binding Test for assessment of acute coronary syndrome patients: a multicenter study
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
    Clin Chem 47:464-70. 2001
  6. ncbi request reprint Evidence based approach to practice guides and decision thresholds for cardiac markers
    R H Christenson
    Dept of Pathology, Univ of Maryland School of Medicine, Baltimore, USA
    Scand J Clin Lab Invest Suppl 230:90-102. 1999
  7. ncbi request reprint Multicenter study of Abbott AxSYM Digoxin II assay and comparison with 6 methods for susceptibility to digoxin-like immunoreactive factors
    H M Azzazy
    Department of Pathology, University of Maryland School of Medicine, Baltimore 21201, USA
    Clin Chem 43:1635-40. 1997
  8. ncbi request reprint Standardization of cardiac troponin I assays: round Robin of ten candidate reference materials
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, 22 S Greene St, Baltimore, MD 21201, USA
    Clin Chem 47:431-7. 2001
  9. ncbi request reprint Standardization of creatine kinase-MB (CK-MB) mass assays: the use of recombinant CK-MB as a reference material
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
    Clin Chem 45:1414-23. 1999
  10. ncbi request reprint Multisite study of a second generation whole blood rapid assay for cardiac troponin T
    H M Azzazy
    Department of Medical and Research Technology, University of Maryland School of Medicine, Baltimore 21201, USA
    Ann Clin Biochem 36:438-46. 1999

Detail Information

Publications12

  1. ncbi request reprint Cardiac troponin T and cardiac troponin I: relative values in short-term risk stratification of patients with acute coronary syndromes. GUSTO-IIa Investigators
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore, USA
    Clin Chem 44:494-501. 1998
    ..03, P = 0.045); however, cTnI did not add to a model containing cTnT and the ECG (chi 2 = 0.84, P = 0.657). cTnT provided more information than cTnI for predicting 30-day mortality early after presentation with acute coronary syndromes...
  2. ncbi request reprint Biochemical markers of the acute coronary syndromes
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore 21201, USA
    Clin Chem 44:1855-64. 1998
    ..Biochemical markers will continue to be an important clinical adjunct for MI diagnosis, risk assessment, and reperfusion monitoring in the future...
  3. ncbi request reprint Relation of temporal creatine kinase-MB release and outcome after thrombolytic therapy for acute myocardial infarction. TAMI Study Group
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore
    Am J Cardiol 85:543-7. 2000
    ..089). We conclude that CK-MB maximums relate to infarct zone function, left ventricular function, and in-hospital outcomes after thrombolysis for acute myocardial infarction...
  4. ncbi request reprint Cardiac troponin I measurement with the ACCESS immunoassay system: analytical and clinical performance characteristics
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore 21201, USA
    Clin Chem 44:52-60. 1998
    ..The ACCESS cTnI assay appears to show sensitivity and specificity comparable with those of both CK-MB mass and Stratus cTnI assays for the diagnosis of MI in patients presenting within 12 h of onset of symptoms...
  5. ncbi request reprint Characteristics of an Albumin Cobalt Binding Test for assessment of acute coronary syndrome patients: a multicenter study
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
    Clin Chem 47:464-70. 2001
    ..The ability of the Albumin Cobalt Binding (ACB) Test measurement at presentation to predict troponin-positive or -negative results 6-24 h later was also examined...
  6. ncbi request reprint Evidence based approach to practice guides and decision thresholds for cardiac markers
    R H Christenson
    Dept of Pathology, Univ of Maryland School of Medicine, Baltimore, USA
    Scand J Clin Lab Invest Suppl 230:90-102. 1999
    ..But in unstable angina, the odds ratios for predicting outcomes of MI/short-term mortality with 12-24 hour sampling for cTnT was 2.7 the odds ratio for cTnI did not differ significantly at 4.2...
  7. ncbi request reprint Multicenter study of Abbott AxSYM Digoxin II assay and comparison with 6 methods for susceptibility to digoxin-like immunoreactive factors
    H M Azzazy
    Department of Pathology, University of Maryland School of Medicine, Baltimore 21201, USA
    Clin Chem 43:1635-40. 1997
    ..DLIF susceptibility for four of the methods was significantly greater (P < 0.05) than in the AxSYM Digoxin II assay; susceptibilities of the Stratus II and Emit 2000 methods were similar to the AxSYM Digoxin II assay...
  8. ncbi request reprint Standardization of cardiac troponin I assays: round Robin of ten candidate reference materials
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, 22 S Greene St, Baltimore, MD 21201, USA
    Clin Chem 47:431-7. 2001
    ..Cardiac troponin I (cTnI) results vary 100-fold among assays. As a step toward standardization, we examined the performance of 10 candidate reference materials (cRMs) in dilution studies with 13 cTnI measurement systems...
  9. ncbi request reprint Standardization of creatine kinase-MB (CK-MB) mass assays: the use of recombinant CK-MB as a reference material
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
    Clin Chem 45:1414-23. 1999
    ..The AACC assembled a committee to identify and validate a standard creatine kinase MB isoenzyme (CK-MB) material to improve the comparability of CK-MB mass assays...
  10. ncbi request reprint Multisite study of a second generation whole blood rapid assay for cardiac troponin T
    H M Azzazy
    Department of Medical and Research Technology, University of Maryland School of Medicine, Baltimore 21201, USA
    Ann Clin Biochem 36:438-46. 1999
    ..5-fold lower analytical cut-off than the original rapid assay (0.2 microgram/L) and may represent a more sensitive clinical tool for the rapid triage and risk stratification of cardiac patients...
  11. ncbi request reprint Determination of the falloff constant (k(f)) from modeling biochemical marker release: a new variable for discriminating therapies
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore, MD, USA
    Cardiovasc Toxicol 1:171-6. 2001
    ..These data suggest that differences in reperfusion are reflected by kf and that this variable may represent a valuable new nonmortality end point derived from curve fitting analysis...
  12. ncbi request reprint Biochemical markers of bone metabolism: an overview
    R H Christenson
    Department of Pathology, University of Maryland School of Medicine, Baltimore 21201, USA
    Clin Biochem 30:573-93. 1997
    ..An overview of biochemical markers of bone metabolism is presented along with indications for their clinical utilization...