A M Bayoumi

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. ncbi request reprint The measurement of contingent valuation for health economics
    Ahmed M Bayoumi
    Inner City Health Research Unit, St Michael s Hospital, 30 Bond St, Toronto, ON M5B 1W8, Canada
    Pharmacoeconomics 22:691-700. 2004
  2. pmc Representativeness of an HIV cohort of the sites from which it is recruiting: results from the Ontario HIV Treatment Network (OHTN) cohort study
    Janet Raboud
    Toronto General Research Institute, University Health Network, Room 13EN226, 200 Elizabeth St, Toronto, Ontario M5G 2C4, Canada
    BMC Med Res Methodol 13:31. 2013
  3. pmc Patterns of syphilis testing in a large cohort of HIV patients in Ontario, Canada, 2000-2009
    Ann N Burchell
    Ontario HIV Treatment Network, Suite 600, 1300 Yonge Street, Toronto, Ontario M4T 1X3, Canada
    BMC Infect Dis 13:246. 2013
  4. pmc Putting episodic disability into context: a qualitative study exploring factors that influence disability experienced by adults living with HIV/AIDS
    Kelly K O'Brien
    Department of Health Policy, Management and Evaluation, Faculty of Medicine, University of Toronto, Ontario, Canada
    J Int AIDS Soc 12:5. 2009
  5. pmc How do existing HIV-specific instruments measure up? Evaluating the ability of instruments to describe disability experienced by adults living with HIV
    Kelly K O'Brien
    Department of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
    Health Qual Life Outcomes 8:88. 2010
  6. pmc Exploring disability from the perspective of adults living with HIV/AIDS: development of a conceptual framework
    Kelly K O'Brien
    Department of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
    Health Qual Life Outcomes 6:76. 2008
  7. pmc Protocol for an economic evaluation alongside the University Health Network Whiplash Intervention Trial: cost-effectiveness of education and activation, a rehabilitation program, and the legislated standard of care for acute whiplash injury in Ontario
    Gabrielle van der Velde
    Toronto Health Economics and Technology Assessment THETA Collaborative, University of Toronto, and St Michael s Hospital, Toronto, ON Canada
    BMC Public Health 11:594. 2011
  8. pmc Regional differences in rates of HIV-1 viral load monitoring in Canada: Insights and implications for antiretroviral care in high income countries
    Janet M Raboud
    Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
    BMC Infect Dis 10:40. 2010
  9. pmc The cost-effectiveness of Vancouver's supervised injection facility
    Ahmed M Bayoumi
    The Centre for Research on Inner City Health, The Keenan Research Centre in the Li Ka Shing Knowledge Institute, St Michael s Hospital, Toronto, Ont
    CMAJ 179:1143-51. 2008
  10. ncbi request reprint Economic methods for measuring the quality of life associated with HIV infection
    A M Bayoumi
    Department of Medicine, University of Toronto, Canada
    Qual Life Res 8:471-80. 1999

Detail Information

Publications39

  1. ncbi request reprint The measurement of contingent valuation for health economics
    Ahmed M Bayoumi
    Inner City Health Research Unit, St Michael s Hospital, 30 Bond St, Toronto, ON M5B 1W8, Canada
    Pharmacoeconomics 22:691-700. 2004
    ..Future research should address equity concerns associated with using contingent valuation and explore contingent valuation as a measure of utility for health states, particularly those that are minor or temporary...
  2. pmc Representativeness of an HIV cohort of the sites from which it is recruiting: results from the Ontario HIV Treatment Network (OHTN) cohort study
    Janet Raboud
    Toronto General Research Institute, University Health Network, Room 13EN226, 200 Elizabeth St, Toronto, Ontario M5G 2C4, Canada
    BMC Med Res Methodol 13:31. 2013
    ..These dissimilarities may limit the generalizability of results of research studies. Quantification of the participation bias is essential for the interpretation of research findings...
  3. pmc Patterns of syphilis testing in a large cohort of HIV patients in Ontario, Canada, 2000-2009
    Ann N Burchell
    Ontario HIV Treatment Network, Suite 600, 1300 Yonge Street, Toronto, Ontario M4T 1X3, Canada
    BMC Infect Dis 13:246. 2013
    ..We characterized temporal patterns of of syphilis testing in a large cohort of HIV patients in Ontario, Canada...
  4. pmc Putting episodic disability into context: a qualitative study exploring factors that influence disability experienced by adults living with HIV/AIDS
    Kelly K O'Brien
    Department of Health Policy, Management and Evaluation, Faculty of Medicine, University of Toronto, Ontario, Canada
    J Int AIDS Soc 12:5. 2009
    ..abstract:..
  5. pmc How do existing HIV-specific instruments measure up? Evaluating the ability of instruments to describe disability experienced by adults living with HIV
    Kelly K O'Brien
    Department of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
    Health Qual Life Outcomes 8:88. 2010
    ..In this paper, we describe the extent to which existing HIV-specific health-status instruments capture the experience of disability for adults living with HIV...
  6. pmc Exploring disability from the perspective of adults living with HIV/AIDS: development of a conceptual framework
    Kelly K O'Brien
    Department of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
    Health Qual Life Outcomes 6:76. 2008
    ..The purpose of this research was to develop a conceptual framework of disability from the perspective of adults living with HIV...
  7. pmc Protocol for an economic evaluation alongside the University Health Network Whiplash Intervention Trial: cost-effectiveness of education and activation, a rehabilitation program, and the legislated standard of care for acute whiplash injury in Ontario
    Gabrielle van der Velde
    Toronto Health Economics and Technology Assessment THETA Collaborative, University of Toronto, and St Michael s Hospital, Toronto, ON Canada
    BMC Public Health 11:594. 2011
    ....
  8. pmc Regional differences in rates of HIV-1 viral load monitoring in Canada: Insights and implications for antiretroviral care in high income countries
    Janet M Raboud
    Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
    BMC Infect Dis 10:40. 2010
    ....
  9. pmc The cost-effectiveness of Vancouver's supervised injection facility
    Ahmed M Bayoumi
    The Centre for Research on Inner City Health, The Keenan Research Centre in the Li Ka Shing Knowledge Institute, St Michael s Hospital, Toronto, Ont
    CMAJ 179:1143-51. 2008
    ..We estimated the impact of the facility on survival, rates of HIV and hepatitis C virus infection, referral to methadone maintenance treatment and associated costs...
  10. ncbi request reprint Economic methods for measuring the quality of life associated with HIV infection
    A M Bayoumi
    Department of Medicine, University of Toronto, Canada
    Qual Life Res 8:471-80. 1999
    ..Quality of life is measured as utilities for cost-effectiveness analyses...
  11. ncbi request reprint Cost-effectiveness of androgen suppression therapies in advanced prostate cancer
    A M Bayoumi
    Department of Medicine, University of Toronto, and Inner City Health Research Unit, St Michael s Hospital, Toronto, Canada
    J Natl Cancer Inst 92:1731-9. 2000
    ..The costs and side effects of several antiandrogen therapies for advanced prostate cancer differ substantially. We estimated the cost-effectiveness of antiandrogen therapies for advanced prostate cancer...
  12. ncbi request reprint Decision analysis with cumulative prospect theory
    A M Bayoumi
    Department of Medicine, University of Toronto, Ontario, Canada
    Med Decis Making 20:404-12. 2000
    ..Individuals sometimes express preferences that do not follow expected utility theory. Cumulative prospect theory adjusts for some phenomena by using decision weights rather than probabilities when analyzing a decision tree...
  13. pmc Methodological, practical, and ethical challenges to inner-city health research
    Ahmed M Bayoumi
    Inner City Health Research Unit, St Michael s Hospital, Toronto, ON, Canada
    J Urban Health 79:S35-42. 2002
    ..Throughout the research endeavor, the inner-city health researcher must carefully balance the roles of investigator, advocate, activist, and caregiver...
  14. ncbi request reprint The impact of home nocturnal hemodialysis on end-stage renal disease therapies: a decision analysis
    P A McFarlane
    St Michael s Hospital, 61 Queen Street East, 9th Floor, Toronto, Ontario, Canada M5C 2T2
    Kidney Int 69:798-805. 2006
    ..Our model suggests that HNHD improves quality-adjusted survival over IHD at an economically attractive cost-effectiveness ratio...
  15. pmc Neck pain patients' preference scores for their current health
    Gabrielle van der Velde
    Toronto Health Economics and Technology Assessment THETA Collaborative, University of Toronto, Leslie Dan Pharmacy Building, 6th Floor, Room 658, 144 College Street, and Centre for Research on Inner City Health, Li Ka Shing Knowledge Institute of St Michael s Hospital, Toronto, ON, M5S 3M2, Canada
    Qual Life Res 19:687-700. 2010
    ..To elicit neck pain (NP) patients' preference scores for their current health, and investigate the association between their scores and NP disability...
  16. ncbi request reprint The quality of life and cost utility of home nocturnal and conventional in-center hemodialysis
    Philip A McFarlane
    Department of Medicine, Home Dialysis Clinic, Inner City Health Research Unit, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Kidney Int 64:1004-11. 2003
    ..We hypothesized that individuals performing home nocturnal hemodialysis would have a higher quality of life and superior cost utility than in-center hemodialysis patients...
  17. ncbi request reprint Using exploratory focus groups to establish a sampling strategy to investigate disability experienced by adults living with HIV
    Kelly K O'Brien
    Centre for Research on Inner City Health, The Keenan Research Centre in the Li Ka Shing Knowledge Institute, St Michael s Hospital, Ontario, Canada
    Curr HIV Res 7:626-33. 2009
    ..Exploratory focus groups may be a useful technique to determine a sampling strategy when exploring a new phenomenon in HIV qualitative research...
  18. ncbi request reprint Health care workers and the initiation of treatment for latent tuberculosis infection
    Andrea S Gershon
    University of Toronto, Toronto, Ontario
    Clin Infect Dis 39:667-72. 2004
    ..The objective of this study was to determine whether health care workers were less likely than non-health care workers to initiate treatment for latent tuberculosis infection...
  19. ncbi request reprint Clinical utility of laboratory testing in women with osteoporosis
    Sophie A Jamal
    Department of Medicine, Division of Endocrinology and Metabolism, St Michael s Hospital, University of Toronto, 61 Queen Street East, Toronto, Ontario M5C 2T2, Canada
    Osteoporos Int 16:534-40. 2005
    ..4 (95% CI: 1.3-1.6). Our data suggests that when assessing healthy women with osteoporosis ordering a routine panel of laboratory tests is not useful but measuring TSH may be informative...
  20. ncbi request reprint Estimating preference scores in conventional and home nocturnal hemodialysis patients
    Philip A McFarlane
    Home Dialysis, Inner City Health Research Unit, St Michael s Hospital, Toronto, Ontario, Canada
    Clin J Am Soc Nephrol 2:477-83. 2007
    ..The operational performance of SG was good in this study, whereas biases and methodologic concerns were identified with the TTO and WTP in this population...
  21. ncbi request reprint Acceptance and rejection: cost-effectiveness and the working nephrologist
    Philip A McFarlane
    Division of Nephrology, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Kidney Int 66:1735-41. 2004
    ....
  22. doi request reprint Cost-effectiveness analysis of immediate radical cystectomy versus intravesical Bacillus Calmette-Guerin therapy for high-risk, high-grade (T1G3) bladder cancer
    Girish S Kulkarni
    Division of Urology, Department of Surgical Oncology, University Health Network, Toronto, Ontario, Canada
    Cancer 115:5450-9. 2009
    ..Because bladder cancer is the most expensive malignancy to treat per patient, decisions regarding the optimal treatment strategy should consider costs...
  23. pmc The cost-effectiveness of counseling strategies to improve adherence to highly active antiretroviral therapy among men who have sex with men
    Gregory S Zaric
    Ivey School of Business, University of Western Ontario, London, Ontario, Canada
    Med Decis Making 28:359-76. 2008
    ..The authors developed a model to evaluate the cost-effectiveness of counseling interventions to improve adherence to HAART among men who have sex with men (MSM)...
  24. doi request reprint Vitamin K supplementation for the primary prevention of osteoporotic fractures: is it cost-effective and is future research warranted?
    O Gajic-Veljanoski
    Department of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada
    Osteoporos Int 23:2681-92. 2012
    ..It would be a cost-effective intervention at commonly used thresholds, but high uncertainty around the cost-effectiveness estimates persists. Further research on the effect of vitamin K on fractures is warranted...
  25. ncbi request reprint Adverse quality of life consequences of antiretroviral medications
    L Y Park-Wyllie
    St Michael s Hospital, Toronto, Ontario
    AIDS Care 19:252-7. 2007
    ..A broad concept of quality of life is needed to encompass all dimensions important to people living with HIV...
  26. doi request reprint Identifying the best treatment among common nonsurgical neck pain treatments: a decision analysis
    Gabrielle van der Velde
    Institute for Work and Health, Toronto, ON, Canada
    Spine (Phila Pa 1976) 33:S184-91. 2008
    ..Decision analysis...
  27. ncbi request reprint Outcomes of dosage adjustments used to manage antiretroviral drug interactions
    Laura Y Park-Wyllie
    Centre for Research on Inner City Health, The Keenan Research Centre in the Li Ka Shing Knowledge Institute, University of Toronto, Toronto, Ontario, Canada
    Clin Infect Dis 45:933-6. 2007
    ..03 log10 copies/mL; 95% confidence interval, -0.71 to 0.77) or nevirapine-based interactions (difference in viral load, 0.09 log10 copies/mL; 95% confidence interval, -0.83 to 1.01)...
  28. pmc Management of solitary 1 cm to 2 cm liver nodules in patients with compensated cirrhosis: a decision analysis
    Karen E Bremner
    Toronto General Research Institute, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
    Can J Gastroenterol 21:491-500. 2007
    ..Alternative strategies are immediate treatment or observation until disease progression occurs...
  29. ncbi request reprint The impact of neuropsychological impairment and depression on health-related quality of life in HIV-infection
    Lisa L Trépanier
    Lakeridge Health Oshawa, Corporate Mental Health Program, Oshawa, Ontario, Canada
    J Clin Exp Neuropsychol 27:1-15. 2005
    ..These results confirm the importance of depression as a determinant of health-related quality of life in HIV/AIDS and provide a potential avenue for improving health-related quality of life in adults with HIV-infection...
  30. ncbi request reprint Nonfinancial factors associated with decreased plasma viral load testing in Ontario, Canada
    Janet M Raboud
    Division of Infectious Diseases, University Health Network, University of Toronto, Ontario, Canada
    J Acquir Immune Defic Syndr 39:327-32. 2005
    ..To examine whether individual characteristics were associated with differential use of viral load testing when testing is available without charge to all HIV-positive patients with provincial health insurance...
  31. ncbi request reprint Should hemodialysis patients with atrial fibrillation undergo systemic anticoagulation? A cost-utility analysis
    Robert R Quinn
    Department of Medicine, Division of Nephrology, Sunnybrook Health Sciences Centre, Toronto, Canada
    Am J Kidney Dis 50:421-32. 2007
    ..Furthermore, there is uncertainty regarding the efficacy of warfarin or acetylsalicylic acid (ASA) therapy for preventing strokes in this subgroup because they were excluded from relevant trials...
  32. doi request reprint The adherence support gap: the 'ideal' versus 'reality' of antiretroviral adherence support provided by HIV health providers in clinical practice
    Laura Y Park-Wyllie
    Li Ka Shing Knowledge Institute, St Michael s Hospital, Toronto, ON, Canada
    Ann Pharmacother 43:1036-44. 2009
    ....
  33. doi request reprint Embolization for pulmonary arteriovenous malformation in hereditary hemorrhagic telangiectasia: a decision analysis
    Samir Gupta
    Departments of Medicine, University of Toronto, Toronto, ON, Canada
    Chest 136:849-58. 2009
    ..We used decision analysis to evaluate the optimal treatment strategy for HHT patients with asymptomatic PAVMs...
  34. doi request reprint Improving the diagnosis of acute heart failure using a validated prediction model
    Brian Steinhart
    Department of Medicine, Saint Michael s Hospital, 30 Bond Street, Toronto, Ontario, Canada
    J Am Coll Cardiol 54:1515-21. 2009
    ..We sought to derive and validate a prediction model by using N-terminal pro-B-type natriuretic peptide (NT-proBNP) and clinical variables to improve the diagnosis of acute heart failure (AHF)...
  35. ncbi request reprint Do clinical marker states improve responsiveness and construct validity of the standard gamble and feeling thermometer: a randomized multi-center trial in patients with chronic respiratory disease
    Holger J Schunemann
    Division of Clinical Research Development and INFORMAtion Translation INFROMA, Italian National Cancer Institute Regina Elena, Rome, Italy
    Qual Life Res 15:1-14. 2006
    ..We evaluated the impact of clinical marker state (CMS) rating prior to patients' rating their own health on two utility instruments (feeling thermometer (FT) and standard gamble (SG)) in patients with chronic respiratory disease (CRD)...
  36. ncbi request reprint Cost-effectiveness of screening for HIV in the era of highly active antiretroviral therapy
    Gillian D Sanders
    Duke Clinical Research Institute, Duke University, Durham, NC 27715, USA
    N Engl J Med 352:570-85. 2005
    ..The costs, benefits, and cost-effectiveness of screening for human immunodeficiency virus (HIV) in health care settings during the era of highly active antiretroviral therapy (HAART) have not been determined...
  37. ncbi request reprint A catalog of dermatology utilities: a measure of the burden of skin diseases
    Suephy C Chen
    Department of Dermatology, Emory University School of Medicine, Emory Center for Outcomes Research, University School of Medicine, Atlanta, Georgia, USA
    J Investig Dermatol Symp Proc 9:160-8. 2004
    ..We have demonstrated that skin diseases have considerable burden of disease and provided a preliminary repository of utility data for future researchers and policy makers...
  38. pmc Payments for care at private for-profit and private not-for-profit hospitals: a systematic review and meta-analysis
    P J Devereaux
    Department of Medicine, McMaster University, Hamilton
    CMAJ 170:1817-24. 2004
    ....
  39. pmc Cost-effectiveness of HIV screening in patients older than 55 years of age
    Gillian D Sanders
    Duke Clinical Research Institute, Durham, North Carolina 27715, USA
    Ann Intern Med 148:889-903. 2008
    ..Recent guidelines recommend HIV screening in patients age 13 to 64 years. The cost-effectiveness of HIV screening in patients age 55 to 75 years is uncertain...