Andrew W Lyon

Summary

Affiliation: University of Calgary
Country: Canada

Publications

  1. ncbi Urinary gems: acyclovir crystalluria
    Andrew W Lyon
    Department of Pathology and Laboratory, Faculty of Medicine, University of Calgary and Calgary Laboratory Services, Alberta
    Arch Pathol Lab Med 126:753-4. 2002
  2. ncbi Cesium toxicity: a case of self-treatment by alternate therapy gone awry
    Andrew W Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary, Alberta, Canada
    Ther Drug Monit 25:114-6. 2003
  3. ncbi Analytic evaluation and application of a novel spectrophotometric serum lithium method to a rapid response laboratory
    Andrew W Lyon
    Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
    Ther Drug Monit 26:98-101. 2004
  4. ncbi Variation in the frequency of hemoglobin A1c (HbA1c) testing: population studies used to assess compliance with clinical practice guidelines and use of HbA1c to screen for diabetes
    Andrew W Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary and Calgary Laboratory Services, Calgary Alberta, Canada
    J Diabetes Sci Technol 3:411-7. 2009
  5. ncbi Comparison of the multiple-aliquot and batch methods of monitoring peritoneal dialysis adequacy in patients
    Andrew W Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary, Calgary, Alberta, Canada
    Perit Dial Int 30:91-4. 2010
  6. ncbi The All Our Babies pregnancy cohort: design, methods, and participant characteristics
    Sheila W McDonald
    Department of Paediatrics, University of Calgary, Calgary, AB, Canada
    BMC Pregnancy Childbirth 13:S2. 2013
  7. ncbi Causal assessment of dietary acid load and bone disease: a systematic review & meta-analysis applying Hill's epidemiologic criteria for causality
    Tanis R Fenton
    Department of Community Health Sciences, University of Calgary, Calgary, AB, Canada
    Nutr J 10:41. 2011
  8. ncbi Phosphate decreases urine calcium and increases calcium balance: a meta-analysis of the osteoporosis acid-ash diet hypothesis
    Tanis R Fenton
    Clinical Nutrition, Alberta Health Services, Calgary, AB, Canada
    Nutr J 8:41. 2009
  9. ncbi A mathematical model to assess the influence of hematocrit on point of care glucose meter performance
    Martha E Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary, Canada
    Clin Biochem 43:905-9. 2010
  10. ncbi Cord blood calcium, phosphate, magnesium, and alkaline phosphatase gestational age-specific reference intervals for preterm infants
    Tanis R Fenton
    Department of Community Health Sciences, University of Calgary, 3280 Hospital Drive NW, Calgary, Alberta, Canada
    BMC Pediatr 11:76. 2011

Collaborators

Detail Information

Publications24

  1. ncbi Urinary gems: acyclovir crystalluria
    Andrew W Lyon
    Department of Pathology and Laboratory, Faculty of Medicine, University of Calgary and Calgary Laboratory Services, Alberta
    Arch Pathol Lab Med 126:753-4. 2002
  2. ncbi Cesium toxicity: a case of self-treatment by alternate therapy gone awry
    Andrew W Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary, Alberta, Canada
    Ther Drug Monit 25:114-6. 2003
    ..The authors describe the pathophysiologic correlates and risks of cesium consumption and conclude that cesium toxicity should be considered among the differential diagnoses of prolonged QT interval...
  3. ncbi Analytic evaluation and application of a novel spectrophotometric serum lithium method to a rapid response laboratory
    Andrew W Lyon
    Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
    Ther Drug Monit 26:98-101. 2004
    ....
  4. ncbi Variation in the frequency of hemoglobin A1c (HbA1c) testing: population studies used to assess compliance with clinical practice guidelines and use of HbA1c to screen for diabetes
    Andrew W Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary and Calgary Laboratory Services, Calgary Alberta, Canada
    J Diabetes Sci Technol 3:411-7. 2009
    ....
  5. ncbi Comparison of the multiple-aliquot and batch methods of monitoring peritoneal dialysis adequacy in patients
    Andrew W Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary, Calgary, Alberta, Canada
    Perit Dial Int 30:91-4. 2010
    ..To avoid the physical mixing of fluids and to minimize handling of full effluent bags, a multiple-aliquot method of sampling was developed and compared to the traditional batch method...
  6. ncbi The All Our Babies pregnancy cohort: design, methods, and participant characteristics
    Sheila W McDonald
    Department of Paediatrics, University of Calgary, Calgary, AB, Canada
    BMC Pregnancy Childbirth 13:S2. 2013
    ....
  7. ncbi Causal assessment of dietary acid load and bone disease: a systematic review & meta-analysis applying Hill's epidemiologic criteria for causality
    Tanis R Fenton
    Department of Community Health Sciences, University of Calgary, Calgary, AB, Canada
    Nutr J 10:41. 2011
    ..The objective of this systematic review was to evaluate causal relationships between dietary acid load and osteoporosis using Hill's criteria...
  8. ncbi Phosphate decreases urine calcium and increases calcium balance: a meta-analysis of the osteoporosis acid-ash diet hypothesis
    Tanis R Fenton
    Clinical Nutrition, Alberta Health Services, Calgary, AB, Canada
    Nutr J 8:41. 2009
    ....
  9. ncbi A mathematical model to assess the influence of hematocrit on point of care glucose meter performance
    Martha E Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary, Canada
    Clin Biochem 43:905-9. 2010
    ..To develop and apply a mathematical model of the relationship between hematocrit, meter glucose and reference glucose concentrations as a tool for evaluation of whole blood glucose meters...
  10. ncbi Cord blood calcium, phosphate, magnesium, and alkaline phosphatase gestational age-specific reference intervals for preterm infants
    Tanis R Fenton
    Department of Community Health Sciences, University of Calgary, 3280 Hospital Drive NW, Calgary, Alberta, Canada
    BMC Pediatr 11:76. 2011
    ....
  11. ncbi Milk and acid-base balance: proposed hypothesis versus scientific evidence
    Tanis R Fenton
    Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    J Am Coll Nutr 30:471S-5S. 2011
    ..Net acid excretion is not an important influence of calcium metabolism. Milk is not acid producing. Dietary phosphate does not have a negative impact on calcium metabolism, which is contrary to the acid-ash hypothesis...
  12. ncbi Abnormal proinsulin congeners as autoantigens that initiate the pathogenesis of Type 1 diabetes
    Thomas R Csorba
    Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of Calgary, Foothills Medical Centre, 1403 29th Street N W, Calgary, Alta, Canada T2N 2T9
    Med Hypotheses 64:186-91. 2005
    ..It is thus conceivable that there are subsets of TD1 triggered by dissimilar autoantigens and we propose in the present hypothesis that a conformationally altered congener of native proinsulin might play such a role...
  13. ncbi Use of serial patient hemoglobin A1c differences to determine long-term imprecision of immunoassay and high-performance liquid chromatography analyzers
    David V Tran
    University of Alberta, Edmonton, Alberta, Canada
    J Diabetes Sci Technol 3:424-8. 2009
    ..We have used an alternate approach to derive HbA1c variation, using serial patient data...
  14. ncbi Seasonal variation in hemoglobin A1c: is it the same in both hemispheres?
    Trefor Higgins
    DynaLIFEDx, Edmonton, Alberta, Canada
    J Diabetes Sci Technol 3:668-71. 2009
    ..The variation has been attributed to holiday seasons, temperature differences, and changes in diet. This article describes the seasonal variation in both hemispheres and in a country on the equator with minimal temperature variation...
  15. ncbi Analysis of the performance of the CONTOUR® TS Blood Glucose Monitoring System: when regulatory performance criteria are met, should we have confidence to use a medical device with all patients?
    Martha E Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary, Alberta, Canada
    J Diabetes Sci Technol 5:206-8. 2011
    ..Should different glucose meter performance criteria be applied to ambulatory versus critical care patients?..
  16. ncbi Patient acuity exacerbates discrepancy between whole blood and plasma methods through error in molality to molarity conversion: "Mind the gap!"
    Martha E Lyon
    Department of Pathology and Laboratory Medicine, Calgary, Alberta, Canada
    Clin Biochem 44:412-7. 2011
    ....
  17. ncbi Estimates of total analytical error in consumer and hospital glucose meters contributed by hematocrit, maltose, and ascorbate
    Martha E Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary, and Alberta Children s Hospital, Calgary, Alberta, Canada
    J Diabetes Sci Technol 4:1479-94. 2010
    ..The objective of this study was to estimate analytical error in two consumer and two hospital glucose meters contributed by variations in hematocrit, maltose, ascorbate, and imprecision...
  18. ncbi Pharmacokinetic analysis of topical tobramycin in equine tears by automated immunoassay
    Sarah L Czerwinski
    Department of Veterinary Clinical and Diagnostic Sciences, Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
    BMC Vet Res 8:141. 2012
    ..abstract:..
  19. ncbi Analysis of an electrochemical blood glucose monitoring system with hematocrit compensation: improved accuracy by design
    Martha E Lyon
    Calgary Laboratory Services, Calgary, Alberta, Canada
    J Diabetes Sci Technol 6:656-8. 2012
    ..The choice of reference method for evaluation of glucose meters is an important consideration, and it is not clear to what extent reference methods used to evaluate glucose meters are also free from hematocrit interferences...
  20. ncbi All Our Babies Cohort Study: recruitment of a cohort to predict women at risk of preterm birth through the examination of gene expression profiles and the environment
    Sara K Gracie
    Department of Paediatrics, University of Calgary, Calgary, Alberta, Canada
    BMC Pregnancy Childbirth 10:87. 2010
    ..Specifically this study will examine the predictive potential of maternal leukocytes for predicting preterm birth in non-labouring women through the examination of gene expression profiles and gene-environment interactions...
  21. ncbi Low urine pH and acid excretion do not predict bone fractures or the loss of bone mineral density: a prospective cohort study
    Tanis R Fenton
    Department of Community Health Sciences, Faculty of Medicine, University of Calgary TRW Building, 3rd Floor, 3280 Hospital Drive NW, Calgary, Alberta T2N 4Z6, Canada
    BMC Musculoskelet Disord 11:88. 2010
    ..8x phosphate + organic acids] minus [sodium + potassium + 2x calcium + 2x magnesium mEq] in fasting morning urine predict: a) fragility fractures; and b) five-year change of bone mineral density (BMD) in adults...
  22. ncbi Autoimmunity and the pathogenesis of type 1 diabetes
    Thomas R Csorba
    Department of Pathology and Laboratory Medicine, University of Calgary, Faculty of Medicine, Calgary, AB, Canada
    Crit Rev Clin Lab Sci 47:51-71. 2010
    ..Thus, the resulting T1D development requires coordinated abnormal variations, and this requirement limits its occurrence to a small minority of susceptible individuals...
  23. ncbi Effect of hemolysis on cardiac troponin T determination by the Elecsys 2010 immunoanalyzer
    Martha E Lyon
    Department of Pathology and Laboratory Medicine, University of Calgary, Calgary, AB, Canada
    Clin Biochem 37:698-701. 2004
    ..To evaluate the effect of hemolysis on the measurement of cardiac troponin T (cTnT) using the Elecsys 2010 immunoanalyzer...
  24. ncbi The impact of new guidelines for glucose tolerance testing on clinical practice and laboratory services
    Andrew W Lyon
    Department of Medicine, University of Calgary, Calgary, Alta
    CMAJ 171:1067-9. 2004