M J Schull

Summary

Affiliation: Institute for Clinical Evaluative Sciences
Country: Canada

Publications

  1. doi request reprint Evaluating the effect of clinical decision units on patient flow in seven Canadian emergency departments
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario the Institute of Health Policy, Canada
    Acad Emerg Med 19:828-36. 2012
  2. ncbi request reprint Lumbar puncture first: an alternative model for the investigation of lone acute sudden headache
    M J Schull
    Emergency Department, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
    Acad Emerg Med 6:131-6. 1999
  3. ncbi request reprint Study design to determine the effects of widespread restrictions on hospital utilization to control an outbreak of SARS in Toronto, Canada
    Michael J Schull
    Institute for Clinical Evaluative Sciences, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada
    Expert Rev Pharmacoecon Outcomes Res 6:285-92. 2006
  4. ncbi request reprint Community influenza outbreaks and emergency department ambulance diversion
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Department of Medicine, University of Toronto, Ontario, Canada
    Ann Emerg Med 44:61-7. 2004
  5. ncbi request reprint Emergency department crowding and thrombolysis delays in acute myocardial infarction
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Ann Emerg Med 44:577-85. 2004
  6. ncbi request reprint Underuse of prehospital strategies to reduce time to reperfusion for ST-elevation myocardial infarction patients in 5 Canadian provinces
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario
    CJEM 11:473-80. 2009
  7. ncbi request reprint Influenza and emergency department utilization by elders
    Michael J Schull
    Sunnybrook and Women s College Health Sciences Center, 2075 Bayview Avenue, Toronto, Ontario, Canada
    Acad Emerg Med 12:338-44. 2005
  8. ncbi request reprint Can the wrong statistic be bad for health? Improving the reporting of door-to-needle time performance in acute myocardial infarction
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Am Heart J 150:583-7. 2005
  9. pmc Development of a minimization instrument for allocation of a hospital-level performance improvement intervention to reduce waiting times in Ontario emergency departments
    Chad Andrew Leaver
    Institute for Clinical Evaluative Sciences, 2075 Bayview Ave, Toronto, Canada
    Implement Sci 4:32. 2009
  10. ncbi request reprint Surge capacity associated with restrictions on nonurgent hospital utilization and expected admissions during an influenza pandemic: lessons from the Toronto severe acute respiratory syndrome outbreak
    Michael J Schull
    Institute for Clinical Evaluative Sciences, 2075 Bayview Avenue, Toronto, Ontario, Canada M4N 3M5
    Acad Emerg Med 13:1228-31. 2006

Detail Information

Publications59

  1. doi request reprint Evaluating the effect of clinical decision units on patient flow in seven Canadian emergency departments
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario the Institute of Health Policy, Canada
    Acad Emerg Med 19:828-36. 2012
    ..To evaluate the effect of emergency department (ED) clinical decision units (CDUs) on overall ED patient flow in a pilot project funded in 2008 by the Ontario Ministry of Health and Long-Term Care (MOHLTC)...
  2. ncbi request reprint Lumbar puncture first: an alternative model for the investigation of lone acute sudden headache
    M J Schull
    Emergency Department, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
    Acad Emerg Med 6:131-6. 1999
    ..Among ED headache patients meeting LASH criteria, the authors believe use of this model could result in more efficient use of resources, minimal additional morbidity, and equal diagnostic accuracy for SAH...
  3. ncbi request reprint Study design to determine the effects of widespread restrictions on hospital utilization to control an outbreak of SARS in Toronto, Canada
    Michael J Schull
    Institute for Clinical Evaluative Sciences, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5, Canada
    Expert Rev Pharmacoecon Outcomes Res 6:285-92. 2006
    ..Efforts to control an outbreak of severe acute respiratory syndrome (SARS) in Toronto, Canada, led to the imposition of major restrictions on nonurgent use of hospital-based services...
  4. ncbi request reprint Community influenza outbreaks and emergency department ambulance diversion
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Department of Medicine, University of Toronto, Ontario, Canada
    Ann Emerg Med 44:61-7. 2004
    ..Influenza has been linked to emergency department (ED) crowding, yet few studies have examined this association. We describe the relationship between ED crowding and influenza outbreaks...
  5. ncbi request reprint Emergency department crowding and thrombolysis delays in acute myocardial infarction
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Ann Emerg Med 44:577-85. 2004
    ..We estimate the effect of emergency department (ED) crowding on door-to-needle time for patients given intravenous thrombolysis for suspected acute myocardial infarction...
  6. ncbi request reprint Underuse of prehospital strategies to reduce time to reperfusion for ST-elevation myocardial infarction patients in 5 Canadian provinces
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario
    CJEM 11:473-80. 2009
    ..Prehospital strategies can reduce time to reperfusion. We sought to determine the extent to which emergency medical services (EMS) use these strategies in Canada...
  7. ncbi request reprint Influenza and emergency department utilization by elders
    Michael J Schull
    Sunnybrook and Women s College Health Sciences Center, 2075 Bayview Avenue, Toronto, Ontario, Canada
    Acad Emerg Med 12:338-44. 2005
    ..Influenza outbreaks have been associated with worsened emergency department (ED) crowding. We sought to examine the mechanism behind this association...
  8. ncbi request reprint Can the wrong statistic be bad for health? Improving the reporting of door-to-needle time performance in acute myocardial infarction
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Am Heart J 150:583-7. 2005
    ....
  9. pmc Development of a minimization instrument for allocation of a hospital-level performance improvement intervention to reduce waiting times in Ontario emergency departments
    Chad Andrew Leaver
    Institute for Clinical Evaluative Sciences, 2075 Bayview Ave, Toronto, Canada
    Implement Sci 4:32. 2009
    ..A minimization algorithm will ensure balanced allocation of the intervention with respect to these factors in study hospitals...
  10. ncbi request reprint Surge capacity associated with restrictions on nonurgent hospital utilization and expected admissions during an influenza pandemic: lessons from the Toronto severe acute respiratory syndrome outbreak
    Michael J Schull
    Institute for Clinical Evaluative Sciences, 2075 Bayview Avenue, Toronto, Ontario, Canada M4N 3M5
    Acad Emerg Med 13:1228-31. 2006
    ..One proposed strategy to increase hospital surge capacity is to restrict elective hospitalizations, yet the degree to which this measure would meet the anticipated is unknown...
  11. ncbi request reprint The effect of low-complexity patients on emergency department waiting times
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Ann Emerg Med 49:257-64, 264.e1. 2007
    ..To test this question, we study the effect of low-complexity ED patients on the waiting times of other patients...
  12. ncbi request reprint The risk of missed diagnosis of acute myocardial infarction associated with emergency department volume
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Ann Emerg Med 48:647-55. 2006
    ....
  13. pmc Infection control for the disinterested
    Michael J Schull
    Department of Emergency Services, Clinical Epidemiology Unit, Sunnybrook and Women s College Health Sciences Centre, University of Toronto, Toronto, ON
    CMAJ 169:122-3. 2003
  14. pmc Effect of widespread restrictions on the use of hospital services during an outbreak of severe acute respiratory syndrome
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, Ont
    CMAJ 176:1827-32. 2007
    ..We describe the impact of these restrictions on health care utilization and suggest lessons for future epidemics...
  15. ncbi request reprint Continuous electrocardiographic monitoring and cardiac arrest outcomes in 8,932 telemetry ward patients
    M J Schull
    Clinical Epidemiology Unit, Sunnybrook and Women s College Health Sciences Centre, University of Toronto, Ontario, Canada
    Acad Emerg Med 7:647-52. 2000
    ..To estimate the benefit of routine electrocardiographic (ECG) telemetry monitoring on in-hospital cardiac arrest survival...
  16. pmc Problems for clinical judgement: 3. Thinking clearly in an emergency
    M J Schull
    Division of Emergency Medicine, University of Toronto, Toronto, Ont
    CMAJ 164:1170-5. 2001
    ..Better training and teamwork may allow for clearer thinking in emergencies, so that knowledge can be translated into effective action and better patient outcomes...
  17. ncbi request reprint Prioritizing performance measurement for emergency department care: consensus on evidence-based quality of care indicators
    Michael J Schull
    Institute for Clinical Evaluative Sciences, Toronto, ON, Canada
    CJEM 13:300-9, E28-43. 2011
    ..We sought to develop a consensus on a prioritized and parsimonious set of evidence-based quality of care indicators for EDs...
  18. ncbi request reprint Emergency department overcrowding following systematic hospital restructuring: trends at twenty hospitals over ten years
    M J Schull
    Department of Emergency Services, Clinical Epidemiology Unit, and Division of Pre Hospital Care Research Program, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario, Canada
    Acad Emerg Med 8:1037-43. 2001
    ..The authors sought to determine the impact of systematic hospital restructuring on ED overcrowding...
  19. pmc From PALSA PLUS to PALM PLUS: adapting and developing a South African guideline and training intervention to better integrate HIV/AIDS care with primary care in rural health centers in Malawi
    Michael J Schull
    Dignitas International, 2 Adelaide Street West, Suite 200, Toronto, M5H 1L6, Canada
    Implement Sci 6:82. 2011
    ..We adapted it to align with Malawi's national treatment protocols, more varied healthcare workforce, and weaker health system infrastructure...
  20. pmc Emergency department overcrowding and ambulance transport delays for patients with chest pain
    Michael J Schull
    Department of Emergency Services, Toronto, ON, Canada
    CMAJ 168:277-83. 2003
    ..Emergency department overcrowding sometimes results in diversion of ambulances to other locations. We sought to determine the resulting prehospital delays for cardiac patients...
  21. ncbi request reprint Emergency department gridlock and out-of-hospital delays for cardiac patients
    Michael J Schull
    Department of Emergency Services, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario, Canada
    Acad Emerg Med 10:709-16. 2003
    ..To determine the effect of simultaneous ambulance diversion at multiple emergency departments (EDs) (gridlock) on transport delays for patients with chest pain...
  22. ncbi request reprint Missed diagnosis of subarachnoid hemorrhage in the emergency department
    Marian J Vermeulen
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Stroke 38:1216-21. 2007
    ..We estimated the population-based rate of missed SAH among emergency department (ED) patients and examined its relationship with hospital characteristics...
  23. ncbi request reprint Emergency department contributors to ambulance diversion: a quantitative analysis
    Michael J Schull
    Clinical Epidemiology Unit and the Department of Emergency Services, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario, Canada
    Ann Emerg Med 41:467-76. 2003
    ..We determine the relationship between physician, nursing, and patient factors on emergency department use of ambulance diversion...
  24. pmc Problems for clinical judgement: 4. Surviving in the report card era
    J V Tu
    Department of Medicine, University of Toronto, Toronto, Ont
    CMAJ 164:1709-12. 2001
    ..We offer a number of tips ranging from knowing your outcomes first to proactively getting involved in developing report cards...
  25. pmc Problems for clinical judgement: 2. Obtaining a reliable past medical history
    D A Redelmeier
    Department of Medicine, University of Toronto, Toronto, Ont
    CMAJ 164:809-13. 2001
    ..An awareness of these specific human fallibilities might help clinicians avoid some errors when eliciting a patient's past medical history...
  26. doi request reprint Disequilibrium between admitted and discharged hospitalized patients affects emergency department length of stay
    Marian J Vermeulen
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Ann Emerg Med 54:794-804. 2009
    ..We test whether the balance between daily hospital admissions and discharges affects next-day ED length of stay...
  27. pmc Incidence and predictors of critical events during urgent air-medical transport
    Jeffrey M Singh
    Interdepartmental Division of Critical Care Medicine, Department of Medicine, University of Toronto, University Health Network, Toronto, Ont
    CMAJ 181:579-84. 2009
    ..Little is known about the risks of urgent air-medical transport used in regionalized health care systems. We sought to determine the incidence of in-transit critical events and identify factors associated with these events...
  28. pmc Problems for clinical judgement: 1. Eliciting an insightful history of present illness
    D A Redelmeier
    Department of Medicine, University of Toronto, Toronto, Ont
    CMAJ 164:647-51. 2001
    ..These insights might help clinicians avoid mistakes when eliciting a patient's history of present illness...
  29. ncbi request reprint ALaRMED: adverse events in low-risk chest pain patients receiving continuous ECG monitoring in the emergency department: a survey of Canadian emergency physicians
    Clare L Atzema
    Division of Emergency Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
    CJEM 10:413-9. 2008
    ..We surveyed emergency physicians to determine their perception of current occupancy rates of CEM and to assess their attitudes toward prescribing monitors for low-risk chest pain patients in the ED...
  30. ncbi request reprint ICD-10 adaptations of the Ontario acute myocardial infarction mortality prediction rules performed as well as the original versions
    Marian J Vermeulen
    Institute for Clinical Evaluative Sciences, Department of Health Policy, Management and Evaluation, University of Toronto, Ontario, Canada
    J Clin Epidemiol 60:971-4. 2007
    ....
  31. doi request reprint Health impact of hospital restrictions on seriously ill hospitalized patients: lessons from the Toronto SARS outbreak
    Therese A Stukel
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Med Care 46:991-7. 2008
    ..Restrictions on non-urgent hospital care imposed to control the 2003 Toronto severe acute respiratory syndrome outbreak led to substantial disruptions in hospital clinical practice, admission, and transfer patterns...
  32. pmc Indicators of quality of care for patients with acute myocardial infarction
    Jack V Tu
    The Institute for Clinical Evaluative Sciences, Toronto, Ont
    CMAJ 179:909-15. 2008
    ..We undertook this initiative to develop an updated set of evidence-based indicators to measure and improve the quality of care for this patient population...
  33. doi request reprint Emergency department triage of acute myocardial infarction patients and the effect on outcomes
    Clare L Atzema
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Ann Emerg Med 53:736-45. 2009
    ....
  34. pmc National trends in rates of death and hospital admissions related to acute myocardial infarction, heart failure and stroke, 1994-2004
    Jack V Tu
    Institute for Clinical Evaluative Sciences, Toronto, Ont
    CMAJ 180:E118-25. 2009
    ..We examined recent national trends in mortality and rates of hospital admission for these 3 conditions...
  35. pmc Trends in risk factors for cardiovascular disease in Canada: temporal, socio-demographic and geographic factors
    Douglas S Lee
    Institute for Clinical Evaluative Sciences, Toronto, Ont
    CMAJ 181:E55-66. 2009
    ..Temporal trends in risk factors for cardiovascular disease and the impact of socio-economic status on these risk factors remain unclear...
  36. doi request reprint Early deaths in patients with heart failure discharged from the emergency department: a population-based analysis
    Douglas S Lee
    Division of Cardiology, Institute for Clinical Evaluative Sciences, Toronto General Hospital, Toronto, Ontario, Canada
    Circ Heart Fail 3:228-35. 2010
    ..Although approximately one third of patients with heart failure (HF) visiting the emergency department (ED) are discharged home, little is known about their care and outcomes...
  37. doi request reprint ED triage of patients with acute myocardial infarction: predictors of low acuity triage
    Clare L Atzema
    Institute for Clinical Evaluative Sciences, Toronto, ON, Canada M4N 3M5
    Am J Emerg Med 28:694-702. 2010
    ..We sought to determine some of the reasons why ED triage is failing in these patients...
  38. doi request reprint Improved outcomes with early collaborative care of ambulatory heart failure patients discharged from the emergency department
    Douglas S Lee
    Institute for Clinical Evaluative Sciences, University of Toronto, Toronto, ON, M4N 3M5, Canada
    Circulation 122:1806-14. 2010
    ..The type of outpatient physician care after an emergency department visit for heart failure may affect patients' outcomes. Methods and..
  39. doi request reprint Association between hospital cardiac management and outcomes for acute myocardial infarction patients
    Therese A Stukel
    Institute for Clinical Evaluative Sciences, Toronto, ON, Canada
    Med Care 48:157-65. 2010
    ..Randomized trials have shown that medical and interventional therapies improve outcomes for acute myocardial infarction (AMI) patients. The extent to which hospital quality improvement translates into better patient outcomes is unclear...
  40. ncbi request reprint ALARMED: adverse events in low-risk patients with chest pain receiving continuous electrocardiographic monitoring in the emergency department. A pilot study
    Clare Atzema
    Division of Emergency Medicine, Sunnybrook and Women s College Health Sciences Centre, Toronto, ON, Canada
    Am J Emerg Med 24:62-7. 2006
    ..We evaluated the utility of CEM in ED patients with chest pain...
  41. ncbi request reprint Quantile regression: a statistical tool for out-of-hospital research
    Peter C Austin
    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
    Acad Emerg Med 10:789-97. 2003
    ..The flexibility of quantile regression models makes them particularly well suited to out-of-hospital research, and they may allow for more relevant evaluation of out-of-hospital system performance...
  42. doi request reprint Ventilation practices and critical events during transport of ventilated patients outside of hospital: a retrospective cohort study
    Jeffrey M Singh
    Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
    Prehosp Emerg Care 13:316-23. 2009
    ..We set out to describe ventilation practice, the use of lung-protective ventilation strategies, administration of sedation and neuromuscular blockade, and related critical events during out-of-hospital transport of ventilated patients...
  43. ncbi request reprint Penetrating trauma in Ontario emergency departments: a population-based study
    Alison K Macpherson
    School of Kinesiology and Health Science, York University, Toronto, Ontario, Canada
    CJEM 9:16-20. 2007
    ..The objective of this paper is to describe the epidemiology of ED visits for firearm-related and knife-related penetrating trauma in one Canadian province...
  44. pmc Sex, SARS, and the Holy Grail
    M J Schull
    Emergency Department, Sunnbrook and Women s Hospital, G 106, 2076 Bayview Avenue, Toronto, Ontario, Canada M4N 3MS
    Emerg Med J 20:400-1. 2003
  45. ncbi request reprint Complex emergencies: expected and unexpected consequences
    M J Schull
    Clinical Epidemiology Unit, G-147, Sunnybrook and Women's College Health Sciences Centre, 2075 Bayview Avenue, Toronto, Ontario, Canada, M4N 3M5
    Prehosp Disaster Med 16:192-6. 2001
    ..This paper discusses the context and consequences of complex emergencies from the health standpoint, and explores some of their unexpected effects...
  46. pmc Rape in war: the humanitarian response
    L Shanks
    Clinical Epidemiology Unit, Sunnybrook and Women s College Health Sciences Centre, University of Toronto, Ont
    CMAJ 163:1152-6. 2000
    ..The challenge is to remain alert to these often hidden, but extremely destructive, crimes in the midst of a chaotic emergency relief setting...
  47. ncbi request reprint The Canadian C-spine rule versus the NEXUS low-risk criteria in patients with trauma
    Ian G Stiell
    Department of Emergency Medicine, University of Ottawa, Ottawa, Ont, Canada
    N Engl J Med 349:2510-8. 2003
    ..It is unclear how the two decision rules compare in terms of clinical performance...
  48. pmc Results of the Recent Immigrant Pregnancy and Perinatal Long-term Evaluation Study (RIPPLES)
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ont
    CMAJ 176:1419-26. 2007
    ..We tested whether the "healthy immigrant effect" extends to the risk of placental dysfunction during the short interval of pregnancy...
  49. ncbi request reprint Emergency department crowding: the effect on resident education
    Clare Atzema
    Royal College Emergency Medicine Residency Training Program, University of Toronto, Ontario, Canada
    Ann Emerg Med 45:276-81. 2005
  50. ncbi request reprint Comparison of the Canadian CT Head Rule and the New Orleans Criteria in patients with minor head injury
    Ian G Stiell
    Department of Emergency Medicine, University of Ottawa, Ottawa, Ontario, Canada
    JAMA 294:1511-8. 2005
    ..However, uncertainty about the clinical performance of these rules exists...
  51. ncbi request reprint The need for a national emergency health services database
    Sherry Kennedy
    Ryerson University, Toronto, Ontario, Canada
    CJEM 10:120-4. 2008
    ..We undertook a qualitative study to determine, from a researcher's perspective, the strengths and weaknesses of EHS administrative databases. The study also elicited researchers' suggestions to improve these databases...
  52. ncbi request reprint Metabolic syndrome and the risk of placental dysfunction
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, ON
    J Obstet Gynaecol Can 27:1095-101. 2005
    ..However, the relationship between the metabolic syndrome and the future risk of PD or fetal demise is unknown...
  53. ncbi request reprint Clinical features of head injury patients presenting with a Glasgow Coma Scale score of 15 and who require neurosurgical intervention
    Catherine M Clement
    Clinical Epidemiology Program, University of Ottawa, Ottawa, Ontario, Canada
    Ann Emerg Med 48:245-51. 2006
    ..Our objectives are to determine the accuracy of the Canadian CT Head Rule (CCHR) in this important subset, the prevalence of patients requiring urgent intervention, and their clinical course and possible warning signs...
  54. ncbi request reprint Cardiovascular health after maternal placental syndromes (CHAMPS): population-based retrospective cohort study
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario M5B 1W8, Canada
    Lancet 366:1797-803. 2005
    ..Our aim was to assess the risk of premature vascular disease in women who had had a pregnancy affected by maternal placental syndromes...
  55. ncbi request reprint Emergency department utilization in the United States and Ontario, Canada
    Guohua Li
    Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Acad Emerg Med 14:582-4. 2007
    ..This study aimed to compare ED visit rates in the United States and Ontario, Canada, according to demographic and clinical characteristics...
  56. ncbi request reprint Hospital surge capacity: if you can't always get what you want, can you get what you need?
    Michael J Schull
    Ann Emerg Med 48:389-90. 2006
  57. ncbi request reprint Injuries in Ontario
    Alison K Macpherson
    School of Kinesiology and Health Science, York University
    Healthc Q 9:29-30. 2006
  58. ncbi request reprint What are we waiting for? Understanding, measuring and reducing treatment delays for cardiac patients
    Michael J Schull
    Emerg Med Australas 17:191-2. 2005
  59. ncbi request reprint Rising utilization of US emergency departments: maybe it is time to stop blaming the patients
    Michael J Schull
    Ann Emerg Med 45:13-4. 2005