W A Ghali

Summary

Affiliation: University of Calgary
Country: Canada

Publications

  1. pmc Effect of alcohol consumption on biological markers associated with risk of coronary heart disease: systematic review and meta-analysis of interventional studies
    Susan E Brien
    Department of Community Health Sciences, Faculty of Medicine, Calgary Institute for Population and Public Health, University of Calgary, Alberta, Canada T2N 4Z6
    BMJ 342:d636. 2011
  2. pmc Association of alcohol consumption with selected cardiovascular disease outcomes: a systematic review and meta-analysis
    Paul E Ronksley
    Department of Community Health Sciences, Faculty of Medicine, Calgary Institute for Population and Public Health, University of Calgary, Alberta, Canada
    BMJ 342:d671. 2011
  3. ncbi request reprint ICD-11 for quality and safety: overview of the WHO Quality and Safety Topic Advisory Group
    William A Ghali
    Department of Medicine and Community Health Sciences, 3rd Floor TRW University of Calgary, 3280 Hospital Drive N W, Calgary, Alberta, Canada T2N 4Z6
    Int J Qual Health Care 25:621-5. 2013
  4. pmc The Seamless Transfer-of-Care Protocol: a randomized controlled trial assessing the efficacy of an electronic transfer-of-care communication tool
    Barbara M Okoniewska
    Department of Community Health Sciences, W21C Research and Innovation Centre, Institute of Public Health, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, Canada
    BMC Health Serv Res 12:414. 2012
  5. pmc The relationship between urban environment and the inflammatory bowel diseases: a systematic review and meta-analysis
    Ing Shian Soon
    Departments of Medicine, University of Calgary, Alberta, Canada
    BMC Gastroenterol 12:51. 2012
  6. pmc A validation of ground ambulance pre-hospital times modeled using geographic information systems
    Alka B Patel
    Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    Int J Health Geogr 11:42. 2012
  7. pmc A multi-region assessment of population rates of cardiac catheterization and yield of high-risk coronary artery disease
    Fiona M Clement
    Department of Medicine, Faculty of Medicine, University of Calgary, Foothills Medical Centre North Tower, 9th Floor, 1403 29th Street NW, Calgary, AB T2N 2T9, Canada
    BMC Health Serv Res 11:323. 2011
  8. pmc Economic evaluation of increasing population rates of cardiac catheterization
    Fiona M Clement
    Department of Medicine, Faculty of Medicine, University of Calgary, Foothills Medical Centre North Tower, 9th Floor, 1403 29th Street NW, Calgary, AB T2N 2T9, Canada
    BMC Health Serv Res 11:324. 2011
  9. pmc Determining geographic areas and populations with timely access to cardiac catheterization facilities for acute myocardial infarction care in Alberta, Canada
    Alka B Patel
    Department of Geography, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
    Int J Health Geogr 6:47. 2007
  10. pmc Overview of a formal scoping review on health system report cards
    Susan E Brien
    Department of Community Health Sciences, Faculty of Medicine, University of Calgary, Calgary, Canada
    Implement Sci 5:2. 2010

Collaborators

Detail Information

Publications134 found, 100 shown here

  1. pmc Effect of alcohol consumption on biological markers associated with risk of coronary heart disease: systematic review and meta-analysis of interventional studies
    Susan E Brien
    Department of Community Health Sciences, Faculty of Medicine, Calgary Institute for Population and Public Health, University of Calgary, Alberta, Canada T2N 4Z6
    BMJ 342:d636. 2011
    ..To systematically review interventional studies of the effects of alcohol consumption on 21 biological markers associated with risk of coronary heart disease in adults without known cardiovascular disease...
  2. pmc Association of alcohol consumption with selected cardiovascular disease outcomes: a systematic review and meta-analysis
    Paul E Ronksley
    Department of Community Health Sciences, Faculty of Medicine, Calgary Institute for Population and Public Health, University of Calgary, Alberta, Canada
    BMJ 342:d671. 2011
    ..To conduct a comprehensive systematic review and meta-analysis of studies assessing the effect of alcohol consumption on multiple cardiovascular outcomes...
  3. ncbi request reprint ICD-11 for quality and safety: overview of the WHO Quality and Safety Topic Advisory Group
    William A Ghali
    Department of Medicine and Community Health Sciences, 3rd Floor TRW University of Calgary, 3280 Hospital Drive N W, Calgary, Alberta, Canada T2N 4Z6
    Int J Qual Health Care 25:621-5. 2013
    ....
  4. pmc The Seamless Transfer-of-Care Protocol: a randomized controlled trial assessing the efficacy of an electronic transfer-of-care communication tool
    Barbara M Okoniewska
    Department of Community Health Sciences, W21C Research and Innovation Centre, Institute of Public Health, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, Canada
    BMC Health Serv Res 12:414. 2012
    ..This study examines whether a transfer-of-care (TOC) communication tool is efficacious and cost-effective for reducing hospital readmission, adverse events and adverse drug events as well as reducing death...
  5. pmc The relationship between urban environment and the inflammatory bowel diseases: a systematic review and meta-analysis
    Ing Shian Soon
    Departments of Medicine, University of Calgary, Alberta, Canada
    BMC Gastroenterol 12:51. 2012
    ..The objective of this study was to conduct a systematic review with meta-analysis of studies assessing the association between living in an urban environment and the development of the Crohn's disease (CD) or ulcerative colitis (UC)...
  6. pmc A validation of ground ambulance pre-hospital times modeled using geographic information systems
    Alka B Patel
    Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    Int J Health Geogr 11:42. 2012
    ....
  7. pmc A multi-region assessment of population rates of cardiac catheterization and yield of high-risk coronary artery disease
    Fiona M Clement
    Department of Medicine, Faculty of Medicine, University of Calgary, Foothills Medical Centre North Tower, 9th Floor, 1403 29th Street NW, Calgary, AB T2N 2T9, Canada
    BMC Health Serv Res 11:323. 2011
    ....
  8. pmc Economic evaluation of increasing population rates of cardiac catheterization
    Fiona M Clement
    Department of Medicine, Faculty of Medicine, University of Calgary, Foothills Medical Centre North Tower, 9th Floor, 1403 29th Street NW, Calgary, AB T2N 2T9, Canada
    BMC Health Serv Res 11:324. 2011
    ..However, such a strategy should only be undertaken if it is cost-effective...
  9. pmc Determining geographic areas and populations with timely access to cardiac catheterization facilities for acute myocardial infarction care in Alberta, Canada
    Alka B Patel
    Department of Geography, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
    Int J Health Geogr 6:47. 2007
    ..The three modes of transport considered in this study are ground ambulance, rotary wing air ambulance and fixed wing air ambulance...
  10. pmc Overview of a formal scoping review on health system report cards
    Susan E Brien
    Department of Community Health Sciences, Faculty of Medicine, University of Calgary, Calgary, Canada
    Implement Sci 5:2. 2010
    ..The resulting literature repository that our review has created can be of use to researchers and health system stakeholders interested in the topic of health system quality measurement and reporting...
  11. pmc Women with coronary artery disease report worse health-related quality of life outcomes compared to men
    Colleen M Norris
    Faculty of Nursing, 4 112G Clinical Sciences Building, University of Alberta, Edmonton, Alberta, T6G 2G3 Canada
    Health Qual Life Outcomes 2:21. 2004
    ..The purpose of this study was to compare HRQOL outcomes of men and women in Alberta, at one-year following initial catheterization, after adjustment for known demographic, co-morbid, and disease severity predictors of outcome...
  12. pmc Aspirin effect on the incidence of major adverse cardiovascular events in patients with diabetes mellitus: a systematic review and meta-analysis
    Sonia Butalia
    Department of Medicine, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
    Cardiovasc Diabetol 10:25. 2011
    ..However, recent meta-analyses have prompted re-evaluation of this practice. The study objective was to evaluate the relative and absolute benefits and harms of aspirin for the prevention of incident MACE in patients with diabetes...
  13. pmc Lay media reporting of rosiglitazone risk: extent, messaging and quality of reporting
    Doreen M Rabi
    Department of Medicine, University of Calgary, Calgary, Canada
    Cardiovasc Diabetol 8:40. 2009
    ..Rosiglitazone remained available for use as more definitive safety trials were ongoing. This issue was reported in the lay media...
  14. pmc Clinical and medication profiles stratified by household income in patients referred for diabetes care
    Doreen M Rabi
    Department of Medicine, University of Calgary, Calgary, Canada
    Cardiovasc Diabetol 6:11. 2007
    ..The objective of this study is to determine if the clinical profiles and medication use of patients referred for diabetes care differ across income quintiles...
  15. pmc Development of a perioperative medicine research agenda: a cross sectional survey
    Nadia A Khan
    Department of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
    BMC Surg 4:11. 2004
    ..We sought to determine the research priorities for perioperative medicine using a cross sectional survey of Canadian and American general internists...
  16. pmc Consultation patterns and clinical correlates of consultation in a tertiary care setting
    Michaela R Jordan
    Department of Medicine, University of Calgary, Calgary, Alberta, Canada
    BMC Res Notes 1:96. 2008
    ..Consultation patterns to medical subspecialists and the patient factors that may influence consultation are reported for general medical services...
  17. pmc An administrative data merging solution for dealing with missing data in a clinical registry: adaptation from ICD-9 to ICD-10
    Danielle A Southern
    Department of Community Health Sciences, University of Calgary, Calgary, AB, Canada
    BMC Med Res Methodol 8:1. 2008
    ..Here, we describe the process of translating our data merging solution to ICD-10, and then validating its performance...
  18. pmc Sampling 'hard-to-reach' populations in health research: yield from a study targeting Americans living in Canada
    Danielle A Southern
    Centre for Health and Policy Studies and Dept, of Community Health Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4, Canada
    BMC Med Res Methodol 8:57. 2008
    ..Here, we present a methodological "case-report" of the yield of a multi-step survey study assessing views on health care among American emigres to Canada, a hard-to-reach population...
  19. pmc Dealing with missing data in a multi-question depression scale: a comparison of imputation methods
    Fiona M Shrive
    Department of Community Health Sciences, Faculty of Medicine, University of Calgary, Alberta, Canada
    BMC Med Res Methodol 6:57. 2006
    ..The objective of this study was to compare six different imputation techniques for dealing with missing data in the Zung Self-reported Depression scale (SDS)...
  20. pmc Acetylcysteine for prevention of contrast-induced nephropathy after intravascular angiography: a systematic review and meta-analysis
    Sean M Bagshaw
    Department of Critical Care Medicine, Calgary Health Region, Calgary, Canada
    BMC Med 2:38. 2004
    ..Contrast-induced nephropathy is an important cause of acute renal failure. We assess the efficacy of acetylcysteine for prevention of contrast-induced nephropathy among patients undergoing intravascular angiography...
  21. pmc Improved accuracy of co-morbidity coding over time after the introduction of ICD-10 administrative data
    Jean Marie Januel
    Institute of Social and Preventive Medicine, CHUV and University of Lausanne, Switzerland
    BMC Health Serv Res 11:194. 2011
    ....
  22. pmc Physician nutrition and cognition during work hours: effect of a nutrition based intervention
    Jane B Lemaire
    Department of Medicine University of Calgary Health Sciences Center 3330 University Drive NW Calgary, Alberta T2N4N1, Canada
    BMC Health Serv Res 10:241. 2010
    ..Nutrition has been linked to cognition. We aimed to examine the effect of a nutrition based intervention, that of scheduled nutrition breaks during the work day, upon physician cognition, glucose, and hypoglycemic symptoms...
  23. pmc Association of socio-economic status with diabetes prevalence and utilization of diabetes care services
    Doreen M Rabi
    Department of Medicine, University of Calgary, Calgary, Canada
    BMC Health Serv Res 6:124. 2006
    ..The objective of the present study was to determine whether income is associated with referral to a diabetes centre within a universal health care system...
  24. pmc Comparison of distance measures in spatial analytical modeling for health service planning
    Rizwan Shahid
    Department of Geography, University of Calgary, Calgary, AB, Canada
    BMC Health Serv Res 9:200. 2009
    ..Minkowski distance is a more promising method. Distances estimated with each metric are contrasted with road distance and travel time measurements, and an optimized Minkowski distance is implemented in spatial analytical modeling...
  25. pmc An audit tool for assessing the appropriateness of carotid endarterectomy
    James Kennedy
    Department of Medicine, Department of Clinical Neurosciences, University of Calgary, Foothills Hospital, 1403 29th Street NW, Calgary, Alberta, T2N 2T9, Canada
    BMC Health Serv Res 4:17. 2004
    ..To update appropriateness ratings for carotid endarterectomy using the best clinical evidence and to develop a tool to audit the procedure's use...
  26. pmc Location of residence associated with the likelihood of patient visit to the preoperative assessment clinic
    Judy E Seidel
    Department Community Health Sciences, University of Calgary, Health Sciences Centre, Calgary, Alberta, T2N 4N1, Canada
    BMC Health Serv Res 6:13. 2006
    ..However, the centralization of preoperative assessment clinics may introduce geographical barriers to utilization that are dependent on where a patient lives with respect to the location of the preoperative assessment clinic...
  27. pmc Identifying priorities in methodological research using ICD-9-CM and ICD-10 administrative data: report from an international consortium
    Carolyn De Coster
    Department of Community Health Sciences, University of Calgary, Calgary, Canada
    BMC Health Serv Res 6:77. 2006
    ..This paper presents a list of high-priority methodological areas for researchers using health administrative data...
  28. pmc A randomized trial to assess the impact of an antithrombotic decision aid in patients with nonvalvular atrial fibrillation: the DAAFI trial protocol [ISRCTN14429643]
    Finlay A McAlister
    The Division of General Internal Medicine, University of Alberta, Edmonton, Canada
    BMC Cardiovasc Disord 4:5. 2004
    ..This study will evaluate whether an evidence-based patient decision aid for patients with NVAF can improve the appropriateness of antithrombotic therapy use by patients and their family physicians...
  29. pmc Risk-taking attitudes and their association with process and outcomes of cardiac care: a cohort study
    Kathryn M King
    Centre for Health and Policy Studies, Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    BMC Cardiovasc Disord 9:36. 2009
    ..We examined the association between risk-taking attitudes and cardiac patients' clinical and demographic characteristics, the likelihood of undergoing invasive cardiac procedures and survival...
  30. pmc Temporal Artery versus Bladder Thermometry during Adult Medical-Surgical Intensive Care Monitoring: An Observational Study
    Henry T Stelfox
    Department of Critical Care Medicine, University of Calgary, Calgary, Canada
    BMC Anesthesiol 10:13. 2010
    ....
  31. ncbi request reprint Variation in hospital rates of intraaortic balloon pump use in coronary artery bypass operations
    W A Ghali
    Evans Department of Medicine, Boston University School of Medicine, Massachusetts, USA
    Ann Thorac Surg 67:441-5. 1999
    ..Our objectives were (1) to identify clinical variables associated with IABP use, and (2) to examine risk-adjusted rates of IABP use for 12 Massachusetts hospitals performing CABG operations...
  32. ncbi request reprint Overview of the Alberta Provincial Project for Outcome Assessment in Coronary Heart Disease. On behalf of the APPROACH investigators
    W A Ghali
    Department of Medicine, University of Calgary, Calgary, Canada
    Can J Cardiol 16:1225-30. 2000
    ..Examples of applied research projects based on APPROACH data are also provided...
  33. ncbi request reprint A Canadian comparison of data sources for coronary artery bypass surgery outcome "report cards"
    W A Ghali
    Departments of Medicine and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    Am Heart J 140:402-8. 2000
    ....
  34. pmc Rising to the challenge: transforming the treatment of ST-segment elevation myocardial infarction
    William A Ghali
    Department of Medicine, University of Calgary, Calgary, Alta
    CMAJ 169:35-7. 2003
  35. pmc Risk adjustment using administrative data: impact of a diagnosis-type indicator
    W A Ghali
    Department of Medicine, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
    J Gen Intern Med 16:519-24. 2001
    ....
  36. ncbi request reprint Comparison of 2 methods for calculating adjusted survival curves from proportional hazards models
    W A Ghali
    Department of Medicine, University of Calgary, Alberta, Canada T2N 4N1
    JAMA 286:1494-7. 2001
    ..Use of this method is widespread despite published concerns regarding the validity of resulting curves...
  37. pmc International perspectives on general internal medicine and the case for "globalization" of a discipline
    William A Ghali
    Department of Medicine, and the Centre for Health and Policy Studies, Faculty of Medicine, University of Calgary, Calgary, AB, Canada
    J Gen Intern Med 21:197-200. 2006
    ....
  38. ncbi request reprint Outcomes after coronary artery bypass graft surgery in Canada: 1992/93 to 2000/01
    William A Ghali
    Department of Medicine and Community Health Sciences, and Centre for Health and Policy Studies, University of Calgary, Alberta, Canada
    Can J Cardiol 19:774-81. 2003
    ..The authors have previously reported on Canada-wide outcomes of coronary artery bypass graft (CABG) surgery for 1992/93 through 1995/96...
  39. pmc Accelerated publication versus usual publication in 2 leading medical journals
    William A Ghali
    Department of Medicine, University of Calgary, Alta
    CMAJ 166:1137-43. 2002
    ..However, the validity of these judgements is unknown. We therefore compared the importance of articles published on a "fast track" with those published in the usual way...
  40. ncbi request reprint Sex differences in access to coronary revascularization after cardiac catheterization: importance of detailed clinical data
    William A Ghali
    University of Calgary, 3330 Hospital Drive Northwest, Calgary, Alberta T2N 4N1, Canada
    Ann Intern Med 136:723-32. 2002
    ..Although some studies suggest that access to cardiac procedures may differ by sex, others have found no evidence of gender bias in cardiac care...
  41. ncbi request reprint Atrial flutter and the risk of thromboembolism: a systematic review and meta-analysis
    William A Ghali
    Department of Medicine, University of Calgary, Alberta, Canada
    Am J Med 118:101-7. 2005
    ..We conducted a systematic review and meta-analysis of observational studies to assess the risk of thromboembolism associated with atrial flutter...
  42. ncbi request reprint Evaluation of complication rates after coronary artery bypass surgery using administrative data
    W A Ghali
    Health Care Research Unit, Evans Department of Medicine, Boston Medical Center, MA, USA
    Methods Inf Med 37:192-200. 1998
    ....
  43. ncbi request reprint Revascularization use and survival outcomes after cardiac catheterization in British Columbia and Alberta
    Christopher R Thompson
    Division of Cardiology, Department of Medicine, St Paul s Hospital, and the University of British Columbia, Room 2350 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
    Can J Cardiol 20:1417-23. 2004
    ..Alberta and British Columbia have comprehensive cardiac databases that provide detailed demographic, clinical and procedural data, including coronary anatomy, on all patients undergoing cardiac catheterization...
  44. pmc Coronary artery bypass grafting in Canada: national and provincial mortality trends, 1992-1995
    W A Ghali
    Department of Medicine, Faculty of Medicine, University of Calgary, Alta
    CMAJ 159:25-31. 1998
    ..The objectives of this study were to examine Canadian trends in rates of in-hospital death after CABG and to compare provincial risk-adjusted death rates...
  45. ncbi request reprint Poor long-term survival after coronary angiography in patients with renal insufficiency
    B R Hemmelgarn
    Departments of Medicine and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    Am J Kidney Dis 37:64-72. 2001
    ..12), respectively. We conclude that renal insufficiency, both dialysis dependent and non-dialysis dependent, is an independent risk factor for increased mortality and poor long-term survival among patients undergoing coronary angiography...
  46. ncbi request reprint Comparison of the Elixhauser and Charlson/Deyo methods of comorbidity measurement in administrative data
    Danielle A Southern
    Department of Community Health Sciences and The Centre for Health and Policy Studies, University of Calgary, Calgary, Alberta, Canada
    Med Care 42:355-60. 2004
    ..However, a new method defined by Elixhauser et al. has been introduced recently and could be superior, although it has not been validated widely...
  47. ncbi request reprint Long-term survival in 11,661 patients with multivessel coronary artery disease in the era of stenting: a report from the Alberta Provincial Project for Outcome Assessment in Coronary Heart Disease (APPROACH) Investigators
    V Dzavik
    University of Alberta Hospital, and the Royal Alexandra Hospital, Edmonton, Alberta, Canada
    Am Heart J 142:119-26. 2001
    ....
  48. ncbi request reprint Dealing with missing data in observational health care outcome analyses
    C M Norris
    The Alberta Provincial Project for Outcome Assessment in Coronary Heart Disease Approach, 8111 1st Floor ABC, 8440 112 Street, Edmonton, Alberta, Canada
    J Clin Epidemiol 53:377-83. 2000
    ..2). The superior performance of the enhanced data model supports the use of this "enhancement" methodology and bears consideration when researchers are faced with nonrandom missing data...
  49. ncbi request reprint Use of chelation therapy after coronary angiography
    H Quan
    Department of Community Health Sciences. University of Calgary, Calgary, Alberta, Canada
    Am J Med 111:686-91. 2001
    ..Alternatively, some patients may have turned to chelation as a "last resort" after having been judged unsuitable for revascularization...
  50. ncbi request reprint Validity of information on comorbidity derived rom ICD-9-CCM administrative data
    Hude Quan
    Department of Community Health Sciences, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, Canada T2N 4N1
    Med Care 40:675-85. 2002
    ..The predictive ability of comorbidity information in the two data sets for predicting in-hospital mortality was also compared...
  51. pmc Assessing validity of ICD-9-CM and ICD-10 administrative data in recording clinical conditions in a unique dually coded database
    Hude Quan
    Department of Community Health Sciences and Centre for Health and Policy Studies, University of Calgary, 3330 Hospital Dr NW, Calgary, AB T2N4N1, Canada
    Health Serv Res 43:1424-41. 2008
    ....
  52. pmc A case study of hospital closure and centralization of coronary revascularization procedures
    B R Hemmelgarn
    Department of Medicine, University of Calgary, Calgary, Alta
    CMAJ 164:1431-5. 2001
    ..Our findings indicate that controversial changes to the structure of the health care system can occur without loss of efficiency and reduction in quality of care...
  53. pmc Coronary artery bypass grafting in Canada: hospital mortality rates, 1992-1995
    W A Ghali
    Department of Medicine, Faculty of Medicine, University of Calgary, Alta
    CMAJ 159:926-30. 1998
    ..This nationwide study examined observed and risk-adjusted death rates for 23 Canadian hospitals performing CABG...
  54. ncbi request reprint Survival after coronary revascularization in the elderly
    Michelle M Graham
    Department of Medicine, University of Alberta, Canada
    Circulation 105:2378-84. 2002
    ..We studied survival by prescribed treatment (CABG, PCI, or medical therapy) for patients in 3 age categories: <70 years, 70 to 79 years, and > or =80 years of age...
  55. ncbi request reprint Geographical location of residence and uniformity of access to cardiac revascularization services after catheterization
    Judy E Seidel
    Faculty of Medicine Community Health Sciences, University of Calgary, Calgary, Canada
    Can J Cardiol 20:517-23. 2004
    ..The centralization of health care services has numerous potential benefits but April compromise access for individuals living in remote areas...
  56. ncbi request reprint Survival after coronary revascularization among patients with kidney disease
    Brenda R Hemmelgarn
    Department of Medicine, University of Calgary, Calgary, Alberta, Canada
    Circulation 110:1890-5. 2004
    ..3 mg/dl)...
  57. pmc Outcomes of after-hours versus regular working hours primary percutaneous coronary intervention for acute myocardial infarction
    Michelle M Graham
    Department of Medicine, University of Alberta, Edmonton, Canada
    BMJ Qual Saf 20:60-7. 2011
    ..Primary percutaneous coronary intervention (PCI) is a proven therapy for acute ST-segment elevation myocardial infarction. However, outcomes associated with primary PCI may differ depending on time of day...
  58. ncbi request reprint Geographic variation in the rate of carotid endarterectomy in Canada
    T E Feasby
    Department of Clinical Neurosciences, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
    Stroke 32:2417-22. 2001
    ..This study sought to determine the rate and the regional variation in the rate of CEA in Canada, its provinces, and census divisions for 1994-1997...
  59. ncbi request reprint The development, evolution, and modifications of ICD-10: challenges to the international comparability of morbidity data
    Nathalie Jette
    Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada
    Med Care 48:1105-10. 2010
    ....
  60. ncbi request reprint Prognostic relevance of census-derived individual respondent incomes versus household incomes
    Danielle A Southern
    University of Calgary, Calgary, AB, Department of Community Health Sciences
    Can J Public Health 97:114-7. 2006
    ..We compared the extent to which individual respondent income and household income (both obtained from census data) are associated with outcomes in a cohort of patients with cardiac disease...
  61. ncbi request reprint Recent trends of hepatic resection in Canada: 1995-2004
    Ryan J McColl
    Department of Surgery, University of Calgary, Calgary, AB, Canada
    J Gastrointest Surg 12:1839-46; discussion 1846. 2008
    ..We sought to describe patient characteristics and outcomes according to hospital volume along with patterns of regionalization for hepatic resection in Canada from 1995 to 2004...
  62. ncbi request reprint The Southern Alberta Renal Program database: a prototype for patient management and research initiatives
    B J Manns
    Department of Medicine, University of Calgary, Alta
    Clin Invest Med 24:164-70. 2001
    ..Programs caring for patients with chronic medical conditions such as ESRD should examine how computer databases could assist in clinical care and improve the efficiency with which that care is delivered to their patients...
  63. doi request reprint Association of median household income with burden of coronary artery disease among individuals with diabetes
    Doreen M Rabi
    Department of Medicine, University of Calgary, Calgary Canada
    Circ Cardiovasc Qual Outcomes 3:48-53. 2010
    ..The objective of this study was to determine whether income status was associated with burden of coronary atherosclerosis in patients with diabetes...
  64. ncbi request reprint Individual-level and neighborhood-level income measures: agreement and association with outcomes in a cardiac disease cohort
    Danielle A Southern
    Department of Community Health Sciences, Alberta, Canada
    Med Care 43:1116-22. 2005
    ..Census-based measures of income often are used as proxies for individual-level income. Yet, the validity of such area-based measures relative to 'true' individual-level income has not been fully characterized...
  65. ncbi request reprint Bias in estimates of confidence intervals for health outcome report cards
    Peter D Faris
    Department of Community Health Sciences, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, Canada T2N 4N1
    J Clin Epidemiol 56:553-8. 2003
    ..This was confirmed using computer simulations. SDT estimates should be abandoned in favor of more sophisticated estimates...
  66. doi request reprint Clinical and socio-demographic factors associated with diabetic ketoacidosis hospitalization in adults with Type 1 diabetes
    S Butalia
    Department of Medicine, Faculty of Medicine, University of Calgary, Calgary, AB, Canada
    Diabet Med 30:567-73. 2013
    ..To identify the clinical and socio-demographic factors associated with hospitalization for diabetic ketoacidosis in adults with Type 1 diabetes...
  67. ncbi request reprint Derivation and validation of a clinical index for prediction of rapid progression of kidney dysfunction
    B R Hemmelgarn
    Division of Nephrology, Foothills Medical Center, 1403 29th Street NW, Calgary, Alberta T2N 2T9, Canada
    QJM 100:87-92. 2007
    ..Chronic kidney disease is common among the elderly, and these patients are at risk of progressive kidney dysfunction...
  68. pmc Access to health care among status Aboriginal people with chronic kidney disease
    Song Gao
    Department of Medicine, Division of Nephrology, University of Calgary, Calgary, AB
    CMAJ 179:1007-12. 2008
    ..We determined whether access to care differed between status Aboriginal people (Aboriginal people registered under the federal Indian Act) and non-Aboriginal people with chronic kidney disease...
  69. ncbi request reprint Ordinal regression model and the linear regression model were superior to the logistic regression models
    Colleen M Norris
    Faculty of Nursing, University of Alberta, Edmonton, Alberta, Canada
    J Clin Epidemiol 59:448-56. 2006
    ..HRQOL data were collected at 1 year following catheterization using the Seattle Angina Questionnaire (SAQ), a disease-specific quality of life and symptom rating scale...
  70. pmc Assessment and reporting of perioperative cardiac risk by Canadian general internists: art or science?
    Taha Taher
    Division of General Internal Medicine, University of Alberta, Edmonton, Alberta, Canada
    J Gen Intern Med 17:933-6. 2002
    ..We were interested in evaluating how general internists assess, define, communicate, and attempt to modify perioperative cardiac risk...
  71. pmc Living alone, patient sex and mortality after acute myocardial infarction
    Heidi N Schmaltz
    Department of Medicine, University of Calgary, Calgary, AB, Canada
    J Gen Intern Med 22:572-8. 2007
    ..Whether these factors have different effects on mortality post-acute myocardial infarction (AMI) in men and women is not clear...
  72. ncbi request reprint Absence of sex differences in pharmacotherapy for acute myocardial infarction
    Susan E Jelinski
    Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    Can J Cardiol 20:899-905. 2004
    ..Previous studies have indicated that sex differences may exist in the pharmacological management of acute myocardial infarction (AMI), with female patients being treated less aggressively...
  73. ncbi request reprint External validation of a percutaneous coronary intervention mortality prediction model in patients with acute coronary syndromes
    Jaroslav Hubacek
    Department of Medicine, University of Calgary, Calgary, Alberta, Canada
    Am Heart J 151:308-15. 2006
    ..Our purpose was to externally validate the performance of the MM in 2 separate cohorts of patients with acute coronary syndrome (ACS) undergoing PCI in Canada...
  74. ncbi request reprint Relation of T-axis abnormalities to coronary artery disease and survival after cardiac catheterization
    Kannayiram Alagiakrishnan
    Division of Geriatric Medicine, University of Alberta, Edmonton, Alberta, Canada
    Am J Cardiol 96:639-42. 2005
    ..928). An abnormal T axis was a significant predictor of overall mortality (p = 0.035) for death at any time in our unadjusted survival analysis, and a trend toward poorer survival persisted after adjustment for clinical covariates...
  75. ncbi request reprint Diagnostic cardiac catheterization and revascularization rates for coronary heart disease
    Peter D Faris
    Department of Community Health Sciences, University of Calgary, Alberta
    Can J Cardiol 20:391-7. 2004
    ..Despite evidence of regional variation across North America, there have been no comprehensive studies of cardiac procedure rates for coronary heart disease in Canada...
  76. ncbi request reprint Progression of kidney dysfunction in the community-dwelling elderly
    B R Hemmelgarn
    Department of Medicine, Division of Nephrology, University of Calgary, Calgary, Alberta, Canada
    Kidney Int 69:2155-61. 2006
    ..Strategies aimed at slowing progression of kidney disease should consider underlying risk factors for progression and the negligible loss of kidney function that occurs in the majority of older adults...
  77. ncbi request reprint Simultaneous carotid endarterectomy and coronary artery bypass surgery in Canada
    M D Hill
    Calgary Stroke Program, Department of Clinical Neurosciences, University of Calgary, Alberta, Canada
    Neurology 64:1435-7. 2005
    ..In Canada, 0.51% of CABG procedures were combined CEA-CABG. The adjusted stroke and death rate was 2.67-fold greater in the combined CEA-CABG group compared to CABG alone. Randomized trials of the combined procedure are needed...
  78. ncbi request reprint Identifying pre- and postoperative predictors of cost and length of stay for coronary artery bypass surgery
    W A Ghali
    Health Care Research Unit, Boston Medical Center, Mass, USA
    Am J Med Qual 14:248-54. 1999
    ....
  79. doi request reprint Systematic review and meta-analysis: anti-tumor necrosis factor α therapy and cardiovascular events in rheumatoid arthritis
    Cheryl Barnabe
    University of Calgary, Calgary, Alberta, Canada
    Arthritis Care Res (Hoboken) 63:522-9. 2011
    ..Control of rheumatoid arthritis (RA) may reduce the risk of cardiovascular events. We sought to systematically assess the association between anti-tumor necrosis factor α (anti-TNFα) therapy in RA and cardiovascular event rates...
  80. doi request reprint Physician wellness: a missing quality indicator
    Jean E Wallace
    Department of Sociology, Faculty of Social Sciences, University of Calgary, Calgary, AB, Canada
    Lancet 374:1714-21. 2009
    ..We show that health systems should routinely measure physician wellness, and discuss the challenges associated with implementation...
  81. pmc Invasive cardiac procedure use and mortality among South Asian and Chinese Canadians with coronary artery disease
    Hude Quan
    Department of Community Health Sciences, University of Calgary, Alberta
    Can J Cardiol 26:e236-42. 2010
    ..Previous studies evaluated cardiac procedure use and outcome over the short term, with relatively few Asian patients included...
  82. ncbi request reprint Cost analysis of ongoing care of patients with end-stage renal disease: the impact of dialysis modality and dialysis access
    Helen Lee
    Department of Economics, University of Calgary, Alberta, Canada
    Am J Kidney Dis 40:611-22. 2002
    ..Care of patients with end-stage renal disease (ESRD) is important and resource intense. To enable ESRD programs to develop strategies for more cost-efficient care, an accurate estimate of the cost of caring for patients with ESRD is needed...
  83. ncbi request reprint Misclassification of income quintiles derived from area-based measures. A comparison of enumeration area and forward sortation area
    Danielle A Southern
    Department of Community Health Sciences, Centre for Health and Policy Studies, University of Calgary, AB
    Can J Public Health 93:465-9. 2002
    ..We assessed the agreement between Forward Sortation Area (FSA) and Enumeration Area (EA) derived income levels for all patients undergoing cardiac catheterization in Alberta, Canada, from 1995-1998...
  84. ncbi request reprint Assessing accuracy of diagnosis-type indicators for flagging complications in administrative data
    Hude Quan
    Quality Improvement and Health Information, Calgary Health Region, 1403 29th Street NW, Calgary, Alberta, Canada T2N 2T9
    J Clin Epidemiol 57:366-72. 2004
    ..Given that the validity of diagnosis-type indicators is unknown, we conducted a detailed chart review to evaluate the accuracy of diagnosis-type indicators for flagging complications...
  85. doi request reprint Development of a frailty index for patients with coronary artery disease
    Elizabeth A Freiheit
    Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    J Am Geriatr Soc 58:1526-31. 2010
    ....
  86. doi request reprint Validation of a case definition to define hypertension using administrative data
    Hude Quan
    Department of Community Health Sciences, University of Calgary, 3330 Hospital Dr NW, Calgary, Alberta T2N 4N1, Canada
    Hypertension 54:1423-8. 2009
    ..These results provide evidence that administrative data can be used as a relatively valid source of data to define cases of hypertension for surveillance and research purposes...
  87. ncbi request reprint Validity of procedure codes in International Classification of Diseases, 9th revision, clinical modification administrative data
    Hude Quan
    Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    Med Care 42:801-9. 2004
    ..However, little is known about the validity of administrative coding of procedure data. We conducted a detailed chart review to evaluate the accuracy and completeness of information on procedures in administrative data...
  88. ncbi request reprint Development and validation of a surname list to define Chinese ethnicity
    Hude Quan
    Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    Med Care 44:328-33. 2006
    ..Surnames have the potential to accurately identify ancestral origins as they are passed on from generation to generation. In this study, we developed and validated a Chinese surname list to define Chinese ethnicity...
  89. doi request reprint Meta-analysis of the effectiveness and safety of catheter ablation of atrial fibrillation in patients with versus without left ventricular systolic dysfunction
    Stephen B Wilton
    Libin Cardiovascular Institute of Alberta, University of Calgary, Canada
    Am J Cardiol 106:1284-91. 2010
    ..Significant improvements in left ventricular ejection fractions after ablation were observed in those with LVSD. Randomized trials are needed given the limitations of present data...
  90. ncbi request reprint Sex differences in outcomes after cardiac catheterization: effect modification by treatment strategy and time
    Kathryn M King
    Faculty of Nursing, University of Calgary, Alberta, Canada
    JAMA 291:1220-5. 2004
    ..Studies comparing outcomes of cardiac care in women vs men yield various results, with some suggesting worse outcomes for women and others suggesting equivalent outcomes...
  91. ncbi request reprint Kaplan-Meier methods yielded misleading results in competing risk scenarios
    Danielle A Southern
    Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    J Clin Epidemiol 59:1110-4. 2006
    ..We compared K-M methods applying various censoring approaches with the lesser-known "cumulative incidence competing risks" (CICR) method in an analysis of competing events...
  92. doi request reprint Venous thromboembolism prophylaxis in patients undergoing cranial neurosurgery: a systematic review and meta-analysis
    Mark G Hamilton
    Department of Clinical Neurosciences, University of Calgary, Foothills Hospital, Calgary, Alberta, Canada
    Neurosurgery 68:571-81. 2011
    ..The tradeoff between benefit and bleeding risk, however, has not been adequately characterized...
  93. ncbi request reprint Sex differences in the prognostic importance of diabetes in patients with ischemic heart disease undergoing coronary angiography
    Michelle M Graham
    Division of Cardiology, University of Alberta Hospital, Edmonton, Alberta, Canada
    Diabetes Care 26:3142-7. 2003
    ..We evaluated the prognosis associated with diabetes, in analyses stratified by sex, to determine whether similar differences are seen in a large unselected cohort of patients...
  94. ncbi request reprint Statins are associated with better outcomes after carotid endarterectomy in symptomatic patients
    James Kennedy
    Department of Clinical Neurosciences, University of Calgary, Alberta, Canada
    Stroke 36:2072-6. 2005
    ..This study aimed to determine whether statin use on admission to hospital for carotid endarterectomy was associated with a reduction of in-hospital adverse outcomes...
  95. ncbi request reprint Quality of life after coronary revascularization in the elderly
    Michelle M Graham
    Division of Cardiology, Department of Medicine, University of Alberta Hospital, 8, 440 112 Street, Edmonton, Alberta, Canada T6G 2R7
    Eur Heart J 27:1690-8. 2006
    ..To describe health status outcomes at 4 years for a cohort of elderly patients with cardiac disease...
  96. pmc Explicit risk in acute coronary syndrome management
    Merril L Knudtson
    Department of Cardiovascular Sciences, University of Calgary, Alberta, Canada
    Can J Cardiol 25:29A-36A. 2009
    ..In addition, the need to adopt a longer-term view of risk in ACS patients is stressed, with particular regard to the important role of heart failure prediction and treatment...
  97. pmc Opinions on chelation therapy in patients undergoing coronary angiography: cross-sectional survey
    Hude Quan
    Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
    Can J Cardiol 23:635-40. 2007
    ....
  98. ncbi request reprint Patient satisfaction: evaluating the success of hospital ward redesign
    Theresa J B Kline
    University of Calgary, Alberta, Canada
    J Healthc Qual 29:44-9. 2007
    ..Findings indicated that enhancing the facilities of the patient care environment improved patients' overall perceptions of the quality of their hospital stay...