Margaret Sampson

Summary

Affiliation: University of Ottawa
Country: Canada

Publications

  1. pmc Assessing the quality of reports of systematic reviews in pediatric complementary and alternative medicine
    David Moher
    Thomas C Chalmers Centre for Systematic Reviews, Children s Hospital of Eastern Ontario Research Institute Canada
    BMC Pediatr 2:3. 2002
  2. pmc Shorter courses of parenteral antibiotic therapy do not appear to influence response rates for children with acute hematogenous osteomyelitis: a systematic review
    Nicole Le Saux
    Department of Pediatrics, University of Ottawa, Ontario, Canada
    BMC Infect Dis 2:16. 2002
  3. pmc Managing database overlap in systematic reviews using Batch Citation Matcher: case studies using Scopus
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, Ontario K1H 8L1, Canada
    J Med Libr Assoc 94:461-3, e219. 2006
  4. ncbi request reprint Errors in search strategies were identified by type and frequency
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario K1H 8L1, Canada
    J Clin Epidemiol 59:1057-63. 2006
  5. pmc Randomized controlled trials in pediatric complementary and alternative medicine: where can they be found?
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Canada
    BMC Pediatr 3:1. 2003
  6. pmc An alternative to the hand searching gold standard: validating methodological search filters using relative recall
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Canada
    BMC Med Res Methodol 6:33. 2006
  7. ncbi request reprint Should meta-analysts search Embase in addition to Medline?
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, ON K1H 8L1, Canada
    J Clin Epidemiol 56:943-55. 2003
  8. pmc Can electronic search engines optimize screening of search results in systematic reviews: an empirical study
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Canada
    BMC Med Res Methodol 6:7. 2006
  9. ncbi request reprint Evidence for the effect of omega-3 fatty acids on progression of age-related macular degeneration: a systematic review
    William G Hodge
    Department of Ophthalmology, Ottawa Hospital Eye Institute, The University of Ottawa, Ottawa, Ontario, Canada
    Retina 27:216-21. 2007
  10. ncbi request reprint The prevalence of celiac disease in average-risk and at-risk Western European populations: a systematic review
    Catherine Dube
    Gastrointestinal Clinical Research Unit, University of Ottawa, Ottawa, Ontario, Canada
    Gastroenterology 128:S57-67. 2005

Collaborators

Detail Information

Publications44

  1. pmc Assessing the quality of reports of systematic reviews in pediatric complementary and alternative medicine
    David Moher
    Thomas C Chalmers Centre for Systematic Reviews, Children s Hospital of Eastern Ontario Research Institute Canada
    BMC Pediatr 2:3. 2002
    ..We also examined whether there were differences in the quality of reports of a subset of CAM reviews compared to reviews using conventional interventions...
  2. pmc Shorter courses of parenteral antibiotic therapy do not appear to influence response rates for children with acute hematogenous osteomyelitis: a systematic review
    Nicole Le Saux
    Department of Pediatrics, University of Ottawa, Ontario, Canada
    BMC Infect Dis 2:16. 2002
    ..Currently, there is no consensus on the route and duration of antimicrobial therapy to treat AHO...
  3. pmc Managing database overlap in systematic reviews using Batch Citation Matcher: case studies using Scopus
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, Ontario K1H 8L1, Canada
    J Med Libr Assoc 94:461-3, e219. 2006
  4. ncbi request reprint Errors in search strategies were identified by type and frequency
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario K1H 8L1, Canada
    J Clin Epidemiol 59:1057-63. 2006
    ..Errors in the electronic search strategy of a systematic review may undermine the integrity of the evidence base used in the review. We studied the frequency and types of errors in reviews published by the Cochrane Collaboration...
  5. pmc Randomized controlled trials in pediatric complementary and alternative medicine: where can they be found?
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Canada
    BMC Pediatr 3:1. 2003
    ..The objective of this study is to identify sources of reported randomized controlled trials (RCTs) in the field of pediatric complementary and alternative medicine (CAM)...
  6. pmc An alternative to the hand searching gold standard: validating methodological search filters using relative recall
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Canada
    BMC Med Res Methodol 6:33. 2006
    ..We demonstrate the feasibility of using relative recall of included studies from multiple systematic reviews to validate methodological search filters as an alternative to validation against a gold standard formed through hand searching...
  7. ncbi request reprint Should meta-analysts search Embase in addition to Medline?
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, ON K1H 8L1, Canada
    J Clin Epidemiol 56:943-55. 2003
    ..88-0.99). Searching Medline but not Embase risks biasing a meta-analysis by finding studies that show larger estimates, but their prevalence seems low enough that the risk may be slight, provided the rest of the search is comprehensive...
  8. pmc Can electronic search engines optimize screening of search results in systematic reviews: an empirical study
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Canada
    BMC Med Res Methodol 6:7. 2006
    ..Our objective is to test the ability of an Ultraseek search engine to rank MEDLINE records of the included studies of Cochrane reviews within the top half of all the records retrieved by the Boolean MEDLINE search used by the reviewers...
  9. ncbi request reprint Evidence for the effect of omega-3 fatty acids on progression of age-related macular degeneration: a systematic review
    William G Hodge
    Department of Ophthalmology, Ottawa Hospital Eye Institute, The University of Ottawa, Ottawa, Ontario, Canada
    Retina 27:216-21. 2007
    ....
  10. ncbi request reprint The prevalence of celiac disease in average-risk and at-risk Western European populations: a systematic review
    Catherine Dube
    Gastrointestinal Clinical Research Unit, University of Ottawa, Ottawa, Ontario, Canada
    Gastroenterology 128:S57-67. 2005
    ..The prevalence is higher still in high-risk groups. Clinicians in a variety of specialties should have a high index of suspicion for the diagnosis of CD and in particular need to pay close attention to the identified high-risk groups...
  11. doi request reprint Surveillance search techniques identified the need to update systematic reviews
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, Ontario K1H 8L1, Canada
    J Clin Epidemiol 61:755-62. 2008
    ..This article reports on literature surveillance methods to identify new evidence eligible for updating systematic reviews...
  12. ncbi request reprint The diagnostic accuracy of serologic tests for celiac disease: a systematic review
    Alaa Rostom
    Gastrointestinal Clinical Research Unit, University of Ottawa, Ottawa, Canada
    Gastroenterology 128:S38-46. 2005
    ..If true, the nearly perfect negative predictive value of these tests would drop. The positive predictive value of these tests is likely lower than reported when the tests are applied in low-prevalence populations...
  13. doi request reprint Few systematic reviews exist documenting the extent of bias: a systematic review
    Andrea C Tricco
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, Ontario K1N 6N5, Canada
    J Clin Epidemiol 61:422-34. 2008
    ..To summarize the evidence concerning bias and confounding in conducting systematic reviews (SRs)...
  14. doi request reprint Describing reporting guidelines for health research: a systematic review
    David Moher
    Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, The Ottawa Hospital, Ottawa, Ontario, Canada
    J Clin Epidemiol 64:718-42. 2011
    ..To describe the process of development, content, and methods of implementation of reporting guidelines for health research...
  15. doi request reprint Systematic reviews can be produced and published faster
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Canada
    J Clin Epidemiol 61:531-6. 2008
    ....
  16. pmc Sources of evidence to support systematic reviews in librarianship
    Margaret Sampson
    Children s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
    J Med Libr Assoc 96:66-9. 2008
  17. pmc Searching for controlled trials of complementary and alternative medicine: a comparison of 15 databases
    Elise Cogo
    Children s Hospital of Eastern Ontario Research Institute, Ottawa, Canada
    Evid Based Complement Alternat Med 2011:858246. 2011
    ..Low overlap between databases indicates comprehensive CAM literature searches will require multiple databases...
  18. pmc Assessing the quality of reports of randomized trials in pediatric complementary and alternative medicine
    David Moher
    Thomas C Chalmers Centre for Systematic Reviews, Children s Hospital of Eastern Ontario Research Institute, Canada
    BMC Pediatr 2:2. 2002
    ..To evaluate the quality of reports of complementary and alternative medicine (CAM) randomized controlled trials (RCTs) in the pediatric population. We also examined whether there was a change in the quality of reporting over time...
  19. pmc Many quality measurements, but few quality measures assessing the quality of breast cancer care in women: a systematic review
    Howard M Schachter
    Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, ON, Canada
    BMC Cancer 6:291. 2006
    ..Quality measurement is essential to monitor effectiveness and to guide improvements in healthcare...
  20. ncbi request reprint A systematic review identified few methods and strategies describing when and how to update systematic reviews
    David Moher
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
    J Clin Epidemiol 60:1095-1104. 2007
    ..SRs are most helpful if they are current; however, most of them are not being updated. This SR summarizes strategies and methods describing when and how to update SRs...
  21. doi request reprint Oral phosphodiesterase-5 inhibitors and hormonal treatments for erectile dysfunction: a systematic review and meta-analysis
    Alexander Tsertsvadze
    Ottawa Health Research Institute, University of Ottawa, Ottawa, Ontario, Canada
    Ann Intern Med 151:650-61. 2009
    ..Erectile dysfunction (ED) is a common male sexual disorder. The relative benefits and harms of pharmacologic therapies for ED, as well as the value of hormonal testing in men with ED, are uncertain...
  22. pmc Epidemiology and reporting characteristics of systematic reviews
    David Moher
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Canada
    PLoS Med 4:e78. 2007
    ..We set out to capture a representative cross-sectional sample of published SRs and examine them in terms of a broad range of epidemiological, descriptive, and reporting characteristics, including emerging aspects not previously examined...
  23. ncbi request reprint Efficacy of food fortification on serum 25-hydroxyvitamin D concentrations: systematic review
    Siobhan O'Donnell
    Clinical Epidemiology Program, Ottawa Health Research Institute, Ottawa, Canada
    Am J Clin Nutr 88:1528-34. 2008
    ..Many residents of the United States and Canada depend on dietary sources of vitamin D to help maintain vitamin D status. Because few natural food sources contain vitamin D, fortified foods may be required...
  24. pmc The use of electronic data capture tools in clinical trials: Web-survey of 259 Canadian trials
    Khaled El Emam
    Children s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
    J Med Internet Res 11:e8. 2009
    ..A systematic review of EDC adoption surveys conducted up to 2007 concluded that only 20% of trials are using EDC systems, but previous surveys had weaknesses...
  25. ncbi request reprint How quickly do systematic reviews go out of date? A survival analysis
    Kaveh G Shojania
    Ottawa Health Research Institute, University of Ottawa, Chalmers Research Group, and Children s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
    Ann Intern Med 147:224-33. 2007
    ..Systematic reviews are often advocated as the best source of evidence to guide clinical decisions and health care policy, yet we know little about the extent to which they require updating...
  26. pmc Updating systematic reviews: an international survey
    Chantelle Garritty
    The Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada
    PLoS ONE 5:e9914. 2010
    ..However, little guidance is available about when and how to update SRs. Moreover, the updating policies and practices of organizations that commission or produce SRs are unclear...
  27. pmc Systematic reviews need systematic searchers
    Jessie McGowan
    Ottawa Health Research Institute Institute of Population Health University of Ottawa Ottawa K1N 6N5 Canada
    J Med Libr Assoc 93:74-80. 2005
    ..This paper will provide a description of the methods, skills, and knowledge of expert searchers working on systematic review teams...
  28. ncbi request reprint Shifts in the use of population health, health promotion, and public health: a bibliometric analysis
    Andrea C Tricco
    Institute of Population Health, University of Ottawa, Ottawa, ON
    Can J Public Health 99:466-71. 2008
    ..The purpose of this research was to compare the use of population health, health promotion, and public health using bibliometric indicators of the published literature...
  29. pmc Guidelines for randomized clinical trial protocol content: a systematic review
    Jennifer M Tetzlaff
    Ottawa Methods Centre, Ottawa Hospital Research Institute, Smyth Road, Ottawa, Ontario, K1H 8L6, Canada
    Syst Rev 1:43. 2012
    ..The objective of this study was to systematically identify and review RCT protocol guidelines, to assess their characteristics and methods of development, and to compare recommendations...
  30. ncbi request reprint A bibliometric analysis of evaluative medical education studies: characteristics and indexing accuracy
    Margaret Sampson
    Library Services, Children s Hospital of Eastern Ontario, and Centre for Learning in Practice, Royal College of Physicians and Surgeons of Canada, Ottawa, Ontario, Canada
    Acad Med 88:421-7. 2013
    ..To determine the characteristics of medical education studies published in general and internal medicine (GIM) and medical education journals, and to analyze the accuracy of their indexing...
  31. pmc Identifying null meta-analyses that are ripe for updating
    Nicholas J Barrowman
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Canada
    BMC Med Res Methodol 3:13. 2003
    ..As an increasingly large number of meta-analyses are published, quantitative methods are needed to help clinicians and systematic review teams determine when meta-analyses are not up to date...
  32. ncbi request reprint Benefits and harms associated with the practice of bed sharing: a systematic review
    Tanya Horsley
    Department of Pediatrics, University of Ottawa, and Department of Pediatrics, The Children s Hospital of Eastern Ontario, 401 Smyth Road, Ottawa, Ontario, Canada
    Arch Pediatr Adolesc Med 161:237-45. 2007
    ..To examine evidence of benefits and harms to children associated with bed sharing, factors (eg, smoking) altering bed sharing risk, and effective strategies for reducing harms associated with bed sharing...
  33. ncbi request reprint Consequences of testing for celiac disease
    Ann Cranney
    Ottawa Health Research Institute, Ottawa, Canada
    Gastroenterology 128:S109-20. 2005
    ..The literature suggests that compliance is less than ideal in these individuals, especially if diagnosed when adults. Long-term outcomes have not been extensively studied in those with silent CD...
  34. ncbi request reprint Efficacy of omega-3 fatty acids in preventing age-related macular degeneration: a systematic review
    William G Hodge
    Department of Ophthalmology, University of Ottawa Eye Institute, Ottawa, Canada
    Ophthalmology 113:1165-72; quiz 1172-3, 1178. 2006
    ..What is the evidence for efficacy of dietary and/or supplemental omega-3 fatty acids in preventing age-related macular degeneration (AMD)?..
  35. doi request reprint Intravesical oxybutynin for children with poorly compliant neurogenic bladder: a systematic review
    Luis Antonio Guerra
    Division of Pediatric Urology, Children s Hospital of Eastern Ontario, University of Ottawa, Ottawa, Ontario, Canada
    J Urol 180:1091-7. 2008
    ..They may become nonresponders to the drug or present with severe side effects. We evaluated the effectiveness and tolerability of intravesical oxybutynin in children with poorly compliant neurogenic bladder...
  36. pmc Effect of point of care information on inpatient management of bronchiolitis
    W James King
    Department of Pediatrics, University of Ottawa, Ottawa, Ontario, Canada
    BMC Pediatr 7:4. 2007
    ..We studied the effects of access to point-of-care medical evidence in a computerised physician order entry system (CPOE) on management and clinical outcome of children with bronchiolitis...
  37. doi request reprint A systematic review and meta-analysis on the effect of steroids in pediatric shock
    Kusum Menon
    Department of Pediatrics, University of Ottawa, Ottawa, Ontario, Canada
    Pediatr Crit Care Med 14:474-80. 2013
    ....
  38. pmc Too many crying babies: a systematic review of pain management practices during immunizations on YouTube
    Denise Harrison
    Children s Hospital of Eastern Ontario, 401 Smyth Road, Ottawa, ON K1H 8L1, Canada
    BMC Pediatr 14:134. 2014
    ..We aimed to review the content of YouTube videos showing infants being immunized to ascertain parents' and health care professionals' use of pain management strategies, as well as to assess infants' pain and distress...
  39. pmc Optimizing search strategies to identify randomized controlled trials in MEDLINE
    Li Zhang
    Natural Sciences Library, University of Saskatchewan, Saskatoon, Canada
    BMC Med Res Methodol 6:23. 2006
    ..The objective of this study is to validate these four revisions: combining the free text terms volunteer, crossover, versus, and the Medical Subject Heading CROSS-OVER STUDIES with the top two phases of the HSSS, respectively...
  40. pmc Breast self-examination
    Tammy J Clifford
    CMAJ 166:164; author reply 166, 168. 2002
  41. pmc Selective serotonin reuptake inhibitors for unipolar depression: a systematic review of classic long-term randomized controlled trials
    Dorian Deshauer
    Department of Psychiatry, University of Ottawa, Ottawa, Ont
    CMAJ 178:1293-301. 2008
    ..We conducted a systematic review to examine the efficacy and acceptability of long-term therapy with selective serotonin reuptake inhibitors relative to placebo in the treatment of unipolar depression...
  42. ncbi request reprint The evidence for efficacy of omega-3 fatty acids in preventing or slowing the progression of retinitis pigmentosa: a systematic review
    William G Hodge
    Department of Opthalmology, Ottawa Hospital Eye Institute, University of Ottawa, Ont, Canada
    Can J Ophthalmol 41:481-90. 2006
    ....
  43. doi request reprint No consensus exists on search reporting methods for systematic reviews
    Margaret Sampson
    Department of Information Studies, University of Wales, Aberystwyth, Wales, UK
    J Clin Epidemiol 61:748-54. 2008
    ..The objective of this paper was to identify validated or evaluated search reporting instruments used in reporting systematic review searches and to compare reported and recommended searching practices...
  44. ncbi request reprint Should systematic reviewers search for randomized, controlled trials published as letters?
    Alla E Iansavichene
    Ann Intern Med 148:714-5. 2008