Hannah Wunsch

Summary

Affiliation: Columbia University
Country: USA

Publications

  1. ncbi request reprint Hospital mortality associated with day and time of admission to intensive care units
    Hannah Wunsch
    Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK
    Intensive Care Med 30:895-901. 2004
  2. ncbi request reprint Methods to adjust for bias and confounding in critical care health services research involving observational data
    Hannah Wunsch
    Department of Anesthesiology, Columbia Presbyterian Medical Center, Columbia University, New York, NY 10032, USA
    J Crit Care 21:1-7. 2006
  3. pmc Association between age and use of intensive care among surgical Medicare beneficiaries
    Hannah Wunsch
    Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, New York, NY, USA Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA Electronic address
    J Crit Care 28:597-605. 2013
  4. pmc Clinical review: International comparisons in critical care - lessons learned
    Srinivas Murthy
    Department of Pediatric Critical Care, Hospital for Sick Children, 555 University Avenue, M5G 1X8, University of Toronto, Toronto, Canada
    Crit Care 16:218. 2012
  5. pmc Is there a Starling curve for intensive care?
    Hannah Wunsch
    Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, 622 W 168th St, PH5 527D, New York, NY 10032, USA
    Chest 141:1393-9. 2012
  6. pmc Polymyxin use associated with respiratory arrest
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, NY 10032, USA
    Chest 141:515-7. 2012
  7. doi request reprint Dexmedetomidine in the care of critically ill patients from 2001 to 2007: an observational cohort study
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, New York, USA
    Anesthesiology 113:386-94. 2010
  8. doi request reprint The epidemiology of mechanical ventilation use in the United States
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, NY, USA
    Crit Care Med 38:1947-53. 2010
  9. pmc The effect of window rooms on critically ill patients with subarachnoid hemorrhage admitted to intensive care
    Hannah Wunsch
    Division of Critical Care, Department of Anesthesiology, and Department of Epidemiology, Columbia University, 622 West 168th Street, PH5 527D, New York, NY 10032, USA
    Crit Care 15:R81. 2011
  10. pmc Economics of ICU organization and management
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, 622 West 168th Street, New York, NY 10032, USA
    Crit Care Clin 28:25-37, v. 2012

Detail Information

Publications41

  1. ncbi request reprint Hospital mortality associated with day and time of admission to intensive care units
    Hannah Wunsch
    Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK
    Intensive Care Med 30:895-901. 2004
    ..To investigate whether hospital mortality of patients was associated with the day of the week or time of admission to intensive care units (ICUs)...
  2. ncbi request reprint Methods to adjust for bias and confounding in critical care health services research involving observational data
    Hannah Wunsch
    Department of Anesthesiology, Columbia Presbyterian Medical Center, Columbia University, New York, NY 10032, USA
    J Crit Care 21:1-7. 2006
    ..Finally, issues that need to be addressed when interpreting the results of observational studies, such as residual confounding, causality, and missing data, are discussed...
  3. pmc Association between age and use of intensive care among surgical Medicare beneficiaries
    Hannah Wunsch
    Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, New York, NY, USA Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA Electronic address
    J Crit Care 28:597-605. 2013
    ..The purpose of this study is to determine the role age plays in use of intensive care for patients who have major surgery...
  4. pmc Clinical review: International comparisons in critical care - lessons learned
    Srinivas Murthy
    Department of Pediatric Critical Care, Hospital for Sick Children, 555 University Avenue, M5G 1X8, University of Toronto, Toronto, Canada
    Crit Care 16:218. 2012
    ....
  5. pmc Is there a Starling curve for intensive care?
    Hannah Wunsch
    Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, 622 W 168th St, PH5 527D, New York, NY 10032, USA
    Chest 141:1393-9. 2012
    ....
  6. pmc Polymyxin use associated with respiratory arrest
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, NY 10032, USA
    Chest 141:515-7. 2012
    ..We report two cases of respiratory arrest likely due to polymyxin B infusions in the context of a 10-fold increase in the use of polymyxin B in our institution over the past 10 years...
  7. doi request reprint Dexmedetomidine in the care of critically ill patients from 2001 to 2007: an observational cohort study
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, New York, USA
    Anesthesiology 113:386-94. 2010
    ..We sought to examine patient and hospital variation in dexmedetomidine use and adoption patterns of dexmedetomidine over time...
  8. doi request reprint The epidemiology of mechanical ventilation use in the United States
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, NY, USA
    Crit Care Med 38:1947-53. 2010
    ..We sought to describe the epidemiology of mechanical ventilation use in the United States...
  9. pmc The effect of window rooms on critically ill patients with subarachnoid hemorrhage admitted to intensive care
    Hannah Wunsch
    Division of Critical Care, Department of Anesthesiology, and Department of Epidemiology, Columbia University, 622 West 168th Street, PH5 527D, New York, NY 10032, USA
    Crit Care 15:R81. 2011
    ..We hypothesized that receiving care in an intensive care unit (ICU) room with a window might improve outcomes for critically ill patients with acute brain injury...
  10. pmc Economics of ICU organization and management
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, 622 West 168th Street, New York, NY 10032, USA
    Crit Care Clin 28:25-37, v. 2012
    ..These studies should not focus solely on reductions in ICU length of stay but should strive to measure the true costs of care within a given healthcare system...
  11. doi request reprint Three-year outcomes for Medicare beneficiaries who survive intensive care
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, 622 W 168th St, PH 527D, New York, NY 10032, USA
    JAMA 303:849-56. 2010
    ..Although hospital mortality has decreased over time in the United States for patients who receive intensive care, little is known about subsequent outcomes for those discharged alive...
  12. doi request reprint Use of intensive care services during terminal hospitalizations in England and the United States
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, 622 West 168th St, PH5 527D, New York, NY 10032, USA
    Am J Respir Crit Care Med 180:875-80. 2009
    ..Despite broad concern regarding the provision and cost of health care at the end of life, country-specific patterns of care have rarely been compared...
  13. doi request reprint Use of intravenous infusion sedation among mechanically ventilated patients in the United States
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, NY, USA
    Crit Care Med 37:3031-9. 2009
    ..We sought to describe current use of intravenous infusion sedation in mechanically ventilated patients in U.S. intensive care units...
  14. doi request reprint Variation in critical care services across North America and Western Europe
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, NY, USA
    Crit Care Med 36:2787-93, e1-9. 2008
    ..Yet, little is known regarding international variation in critical care services. We sought to understand differences in critical care delivery by comparing data on the distribution of services in eight countries...
  15. ncbi request reprint International comparisons in critical care: a necessity and challenge
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, New York 10032, USA
    Curr Opin Crit Care 13:725-31. 2007
    ..This review describes the available data for international comparisons and the many factors that need to be addressed for an appropriate interpretation of results...
  16. doi request reprint Comparison of medical admissions to intensive care units in the United States and United Kingdom
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York, New York, USA
    Am J Respir Crit Care Med 183:1666-73. 2011
    ..The United States has seven times as many intensive care unit (ICU) beds per capita as the United Kingdom; the effect on care of critically ill patients is unknown...
  17. pmc Variation in use of intensive care for adults with diabetic ketoacidosis*
    Hayley B Gershengorn
    Division of Pulmonary Critical Care, and Sleep Medicine, Beth Israel Medical Center, Albert Einstein College of Medicine, New York, NY, USA
    Crit Care Med 40:2009-15. 2012
    ..Our objective was to assess variation in the use of intensive care for patients with diabetic ketoacidosis, a common condition with a low risk of mortality...
  18. doi request reprint Psychiatric diagnoses and psychoactive medication use among nonsurgical critically ill patients receiving mechanical ventilation
    Hannah Wunsch
    Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, New York, New York2Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York
    JAMA 311:1133-42. 2014
    ..The relationship between critical illness and psychiatric illness is unclear...
  19. doi request reprint Do intensivist staffing patterns influence hospital mortality following ICU admission? A systematic review and meta-analyses
    M Elizabeth Wilcox
    1Interdepartmental Division of Critical Care Medicine, University of Toronto, University Health Network and Mount Sinai Hospital, Toronto, ON, Canada 2Section of General Internal Medicine, Lakeridge Health Oshawa, Oshawa, ON, Canada 3Faculty of Health Sciences, Queen s University, Kingston, ON, Canada 4Department of Critical Care Medicine, University of Calgary, Calgary, AB, Canada 5Interdepartmental Division of Critical Care Medicine, University of Toronto, Sunnybrook Health Sciences Centre, Toronto, ON, Canada 6Intensive Care National Audit and Research Centre, London, United Kingdom 7Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, New York, NY 8Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY
    Crit Care Med 41:2253-74. 2013
    ..To determine the effect of different intensivist staffing models on clinical outcomes for critically ill patients...
  20. doi request reprint Variation of arterial and central venous catheter use in United States intensive care units
    Hayley B Gershengorn
    From the Albert Einstein College of Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Medical Center, New York, New York Current position Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York H B G Section of Critical Care, University of Manitoba, Winnipeg, Manitoba, Canada A G Cerner Corporation, Vienna, Virginia A K Interdepartmental Division of Critical Care, University of Toronto, Toronto, Ontario, Canada D C S Department of Medicine, University of Toronto School of Medicine, Toronto, Ontario, Canada, and Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada G R and Departments of Anesthesiology and Epidemiology, Columbia University, New York, New York H W
    Anesthesiology 120:650-64. 2014
    ..Arterial catheters (ACs) and central venous catheters (CVCs) are common in intensive care units (ICUs). Few data describe which patients receive these devices and whether variability in practice exists...
  21. ncbi request reprint Use of intensive care services and associated hospital mortality after Massachusetts healthcare reform*
    Sarah M Lyon
    1Division of Pulmonary, Allergy and Critical Care, Hospital of the University of Pennsylvania, Philadelphia, PA 2Department of Anesthesiology, Columbia University, New York, NY 3Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA 4Center for Health Equity Research and Promotion, Philadelphia VA Medical Center, Philadelphia, PA 5Division of Traumatology, Surgical Critical Care and Emergency Surgery, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA 6Center for Policy Research, Department of Emergency Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA 7CRISMA Center, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 8Division of Pulmonary and Critical Care Medicine, University of Michigan, Ann Arbor, MI 9Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, MI
    Crit Care Med 42:763-70. 2014
    ..To use the natural experiment of health insurance reform in Massachusetts to study the impact of increased insurance coverage on ICU utilization and mortality...
  22. ncbi request reprint The surgical Apgar score is strongly associated with intensive care unit admission after high-risk intraabdominal surgery
    Julia B Sobol
    Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, 622 West 168th St, New York, NY 10032, USA
    Anesth Analg 117:438-46. 2013
    ..We hypothesized that the SAS would be associated with the decision to admit a patient to the ICU postoperatively...
  23. doi request reprint Impact of nonphysician staffing on outcomes in a medical ICU
    Hayley B Gershengorn
    Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Medical Center, New York, NY 10003, USA
    Chest 139:1347-53. 2011
    ..In our study, we compare outcomes of nonphysician provider-based teams to those of medical house staff-based teams in the MICU...
  24. doi request reprint High-frequency ventilation versus conventional ventilation for treatment of acute lung injury and acute respiratory distress syndrome
    Sachin Sud
    Division of Critical Care, Department of Medicine, Trillium Health Center, University of Toronto, Mississauga, Canada
    Cochrane Database Syst Rev 2:CD004085. 2013
    ..This review was originally published in 2004 and was updated in 2011...
  25. pmc A prognostic model for 6-month mortality in elderly survivors of critical illness
    Matthew R Baldwin
    Division of Pulmonary, Allergy, and Critical Care, College of Physicians and Surgeons, Columbia University, NY, USA
    Chest 143:910-9. 2013
    ..No models that predict the likelihood of death after discharge exist explicitly for this population. Therefore, we derived and externally validated a 6-month postdischarge mortality prediction model for elderly ICU survivors...
  26. doi request reprint Survival and functional outcomes after cardiopulmonary resuscitation in the intensive care unit
    Hayley B Gershengorn
    Albert Einstein College of Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Medical Center, New York, NY 10003, USA
    J Crit Care 27:421.e9-17. 2012
    ..In this study, we evaluated survival rates, functional status, and predictors of good outcomes after in-ICU CPR...
  27. ncbi request reprint Impact of exclusion criteria on case mix, outcome, and length of stay for the severity of disease scoring methods in common use in critical care
    Hannah Wunsch
    Department of Medicine, Columbia University, New York Presbyterian Hospital, New York, NY, USA
    J Crit Care 19:67-74. 2004
    ....
  28. doi request reprint Understanding changes in established practice: pulmonary artery catheter use in critically ill patients
    Hayley B Gershengorn
    1Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Medical Center, Albert Einstein College of Medicine, New York, NY 2Department of Anesthesiology, Department of Epidemiology, Columbia University, New York, NY
    Crit Care Med 41:2667-76. 2013
    ..Our objective was to assess recent pulmonary artery catheter use across ICUs and identify factors associated with high use...
  29. pmc ICU occupancy and mechanical ventilator use in the United States
    Hannah Wunsch
    1Department of Anesthesiology, Columbia University, New York, NY 2Department of Epidemiology, Columbia University, New York, NY 3Division of Pulmonary, Allergy, and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 4Department of Biostatistics and Epidemiology, Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 5Department of Medicine, Columbia University, New York, NY 6Cerner Corporation, Vienna, VA 7Department of Medical Ethics and Health Policy, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 8Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA
    Crit Care Med 41:2712-9. 2013
    ..S. ICU over time and across unit types are lacking. We sought to describe the hourly bed occupancy and use of ventilators in U.S. ICUs to improve future planning of both the routine and disaster provision of intensive care...
  30. ncbi request reprint End-of-life decisions: a cohort study of the withdrawal of all active treatment in intensive care units in the United Kingdom
    Hannah Wunsch
    Department of Anesthesiology, Columbia University, New York Presbyterian Hospital, New York, NY 10025, USA
    Intensive Care Med 31:823-31. 2005
    ..To describe the epidemiology of active treatment withdrawal in a nationally representative cohort of intensive care units (ICUs) focusing on between-unit differences...
  31. doi request reprint The Surgical Procedure Assessment (SPA) score predicts intensive care unit length of stay after cardiac surgery
    Gebhard Wagener
    Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, New York, NY 10032 3784, USA
    J Thorac Cardiovasc Surg 142:443-50. 2011
    ....
  32. pmc International comparisons of intensive care: informing outcomes and improving standards
    Meghan Prin
    Department of Anesthesiology, Columbia University, New York, New York 10032, USA
    Curr Opin Crit Care 18:700-6. 2012
    ..This review examines the challenges of international comparisons and highlights areas in which international data provide information relevant to clinical practice and resource allocation...
  33. ncbi request reprint The feasibility of measuring frailty to predict disability and mortality in older medical intensive care unit survivors
    Matthew R Baldwin
    Division of Pulmonary and Critical Care, College of Physicians and Surgeons, Columbia University, New York, NY Electronic address
    J Crit Care 29:401-8. 2014
    ..To determine whether frailty can be measured within 4 days prior to hospital discharge in older intensive care unit (ICU) survivors of respiratory failure and whether it is associated with post-discharge disability and mortality...
  34. ncbi request reprint Health services research in critical care using administrative data
    Hannah Wunsch
    Department of Anesthesiology, Columbia Presbyterian Medical Center, Columbia University, New York, NY 10032, USA
    J Crit Care 20:264-9. 2005
    ..The article concludes with a step-wise approach to conducting studies of critical care based on administrative data...
  35. ncbi request reprint Prescription drug monitoring and dispensing of prescription opioids
    Joanne E Brady
    Columbia University, Departments of Anesthesiology and Epidemiology, Center for Injury Epidemiology and Prevention, New York, NY
    Public Health Rep 129:139-47. 2014
    ..To deter diversion and abuse of controlled substances, most states have implemented electronic prescription drug monitoring programs (PDMPs). We evaluated the impact of state PDMPs on opioid dispensing...
  36. doi request reprint High frequency oscillation in patients with acute lung injury and acute respiratory distress syndrome (ARDS): systematic review and meta-analysis
    Sachin Sud
    Critical Care Medicine Program, Interdepartmental Division of Critical Care, University of Toronto, Toronto General Hospital, 585 University Ave, Toronto, ON, Canada, M5G 2N2
    BMJ 340:c2327. 2010
    ..To determine clinical and physiological effects of high frequency oscillation compared with conventional ventilation in patients with acute lung injury/acute respiratory distress syndrome (ARDS)...
  37. doi request reprint Continuous electroencephalography in a surgical intensive care unit
    Pedro Kurtz
    Division of Critical Care Neurology, Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, NY, USA
    Intensive Care Med 40:228-34. 2014
    ....
  38. ncbi request reprint High-frequency ventilation versus conventional ventilation for the treatment of acute lung injury and acute respiratory distress syndrome: a systematic review and cochrane analysis
    Hannah Wunsch
    Department of Anesthesiology, Columbia Presbyterian Medical Center, 630 W 168th St, New York, NY 10032, USA
    Anesth Analg 100:1765-72. 2005
    ..Cochrane Reviews are regularly updated as new evidence emerges and in response to comments and criticisms, and The Cochrane Library should be consulted for the most recent version of the Review.)...
  39. pmc The puzzle of long-term morbidity after critical illness
    Hannah Wunsch
    Division of Critical Care, Department of Anesthesiology, Columbia University, 622 West 168th St, New York, NY 10032, USA
    Crit Care 14:121. 2010
    ..Such studies will likely need to incorporate extensive planning for data collection, as well as coordinated linkage with other available datasets that include substantial amounts of patient information from outside of the ICU...
  40. pmc Potential value of regionalized intensive care for mechanically ventilated medical patients
    Jeremy M Kahn
    Division of Pulmonary, Allergy, and Critical Care, University of Pennsylvania School of Medicine, 723 Blockley Hall, 423 Guardian Drive, Philadelphia, PA 19104, USA
    Am J Respir Crit Care Med 177:285-91. 2008
    ..Regionalization has been proposed as a method to improve outcomes for medical patients receiving mechanical ventilation in the intensive care unit...