Justin B Dimick

Summary

Affiliation: University of Michigan
Country: USA

Publications

  1. doi request reprint Black patients more likely than whites to undergo surgery at low-quality hospitals in segregated regions
    Justin Dimick
    Division of Minimally Invasive Surgery, University of Michigan, Ann Arbor, Michigan, USA
    Health Aff (Millwood) 32:1046-53. 2013
  2. doi request reprint Hospital characteristics associated with failure to rescue from complications after pancreatectomy
    Amir A Ghaferi
    Michigan Surgical Collaborative for Outcomes Research and Evaluation M SCORE, Department of Surgery, University of Michigan, Ann Arbor, MI, USA
    J Am Coll Surg 211:325-30. 2010
  3. ncbi request reprint The effect of secondary operations on mortality following abdominal aortic aneurysm repair in the United States: 1988-2001
    Jonathan L Eliason
    Surgical Outcomes Research Team SORT, Department of Surgery, Section of Vascular Surgery, University of Michigan, Ann Arbor, MI 48109 0329, USA
    Vasc Endovascular Surg 39:465-72. 2005
  4. doi request reprint Evaluating popular media and internet-based hospital quality ratings for cancer surgery
    Nicholas H Osborne
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Department of Surgery, University of Michigan, Ann Arbor, USA
    Arch Surg 146:600-4. 2011
  5. doi request reprint A population-based analysis of endovascular versus open thoracic aortic aneurysm repair
    Babak J Orandi
    Department of Surgery, University of Michigan Medical School, Ann Arbor, Mich, USA
    J Vasc Surg 49:1112-6. 2009
  6. doi request reprint Explaining racial disparities in mortality after abdominal aortic aneurysm repair
    Nicholas H Osborne
    Michigan Surgical Collaborative for Outcomes Research and Evaluation M SCORE, Department of Surgery, University of Michigan, Ann Arbor, MI 48109 5604, USA
    J Vasc Surg 50:709-13. 2009
  7. doi request reprint Racial/ethnic disparities in access to care and survival for patients with early-stage hepatocellular carcinoma
    Amit K Mathur
    Department of Surgery, University of Michigan, Ann Arbor, 48109, USA
    Arch Surg 145:1158-63. 2010
  8. doi request reprint Composite measures for profiling hospitals on surgical morbidity
    Justin B Dimick
    Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, MI 48109, USA
    Ann Surg 257:67-72. 2013
  9. pmc Hospital quality and the cost of inpatient surgery in the United States
    John D Birkmeyer
    Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, MI, USA
    Ann Surg 255:1-5. 2012
  10. doi request reprint Reliability adjustment for reporting hospital outcomes with surgery
    Justin B Dimick
    Center for Healthcare Outcomes and Policy and the Department of Surgery, University of Michigan, Ann Arbor, MI 48109, USA
    Ann Surg 255:703-7. 2012

Detail Information

Publications84

  1. doi request reprint Black patients more likely than whites to undergo surgery at low-quality hospitals in segregated regions
    Justin Dimick
    Division of Minimally Invasive Surgery, University of Michigan, Ann Arbor, Michigan, USA
    Health Aff (Millwood) 32:1046-53. 2013
    ..Unfortunately, existing policies such as pay-for-performance, bundled payments, and nonpayment for adverse events may divert resources and exacerbate these disparities...
  2. doi request reprint Hospital characteristics associated with failure to rescue from complications after pancreatectomy
    Amir A Ghaferi
    Michigan Surgical Collaborative for Outcomes Research and Evaluation M SCORE, Department of Surgery, University of Michigan, Ann Arbor, MI, USA
    J Am Coll Surg 211:325-30. 2010
    ..In this study, we sought to better understand the hospital characteristics that may explain failure to rescue...
  3. ncbi request reprint The effect of secondary operations on mortality following abdominal aortic aneurysm repair in the United States: 1988-2001
    Jonathan L Eliason
    Surgical Outcomes Research Team SORT, Department of Surgery, Section of Vascular Surgery, University of Michigan, Ann Arbor, MI 48109 0329, USA
    Vasc Endovascular Surg 39:465-72. 2005
    ....
  4. doi request reprint Evaluating popular media and internet-based hospital quality ratings for cancer surgery
    Nicholas H Osborne
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Department of Surgery, University of Michigan, Ann Arbor, USA
    Arch Surg 146:600-4. 2011
    ..We sought to determine whether "best hospitals," as defined by the US News & World Report or HealthGrades, have lower mortality rates than all other American hospitals for cancer surgery...
  5. doi request reprint A population-based analysis of endovascular versus open thoracic aortic aneurysm repair
    Babak J Orandi
    Department of Surgery, University of Michigan Medical School, Ann Arbor, Mich, USA
    J Vasc Surg 49:1112-6. 2009
    ..The perioperative outcomes of open surgical and endovascular repair of intact thoracic aortic aneurysms (TAAs) during the last 3 months of 2005 were compared using a national administrative database...
  6. doi request reprint Explaining racial disparities in mortality after abdominal aortic aneurysm repair
    Nicholas H Osborne
    Michigan Surgical Collaborative for Outcomes Research and Evaluation M SCORE, Department of Surgery, University of Michigan, Ann Arbor, MI 48109 5604, USA
    J Vasc Surg 50:709-13. 2009
    ..Black patients have a higher mortality rate than nonblacks after abdominal aortic aneurysm repair. We sought to understand the factors responsible for this racial disparity in the mortality rate after aneurysm repair...
  7. doi request reprint Racial/ethnic disparities in access to care and survival for patients with early-stage hepatocellular carcinoma
    Amit K Mathur
    Department of Surgery, University of Michigan, Ann Arbor, 48109, USA
    Arch Surg 145:1158-63. 2010
    ..To determine whether controlling for differences in the use of invasive therapy affects racial/ethnic differences in survival of early-stage hepatocellular carcinoma (HCC)...
  8. doi request reprint Composite measures for profiling hospitals on surgical morbidity
    Justin B Dimick
    Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, MI 48109, USA
    Ann Surg 257:67-72. 2013
    ..In this study, we assess the value of a novel composite measure for improving the reliability of hospital morbidity rankings...
  9. pmc Hospital quality and the cost of inpatient surgery in the United States
    John D Birkmeyer
    Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, MI, USA
    Ann Surg 255:1-5. 2012
    ..Despite their obvious benefits for patients, the likely impact of these efforts on health care costs is uncertain. In this context, we examined relationships between hospital outcomes and expenditures in the US Medicare population...
  10. doi request reprint Reliability adjustment for reporting hospital outcomes with surgery
    Justin B Dimick
    Center for Healthcare Outcomes and Policy and the Department of Surgery, University of Michigan, Ann Arbor, MI 48109, USA
    Ann Surg 255:703-7. 2012
    ..We sought to evaluate its impact on hospital outcomes assessed with the American College of Surgeons' National Surgical Quality Improvement Program (ACS-NSQIP)...
  11. ncbi request reprint Complications and costs after high-risk surgery: where should we focus quality improvement initiatives?
    Justin B Dimick
    Department of Surgery, University of Michigan, Ann Arbor, MI, USA
    J Am Coll Surg 196:671-8. 2003
    ..Data on the relative clinical and economic impact of postoperative complications are needed in order to direct quality improvement efforts...
  12. doi request reprint The impact of adjusting for reliability on hospital quality rankings in vascular surgery
    Nicholas H Osborne
    Department of Surgery, University of Michigan, Ann Arbor, MI, USA
    J Vasc Surg 53:1-5. 2011
    ..Hospital quality in vascular surgery is often measured using mortality. We sought to determine whether adjusting mortality for statistical reliability changes hospital quality rankings for vascular surgery...
  13. doi request reprint Endovascular technology, hospital volume, and mortality with abdominal aortic aneurysm surgery
    Justin B Dimick
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Ann Arbor, MI 48104, USA
    J Vasc Surg 47:1150-4. 2008
    ..To determine whether the introduction of endovascular technology changed the relationship of hospital volume to mortality with abdominal aortic aneurysm repair...
  14. ncbi request reprint Diffusion of new technology for the treatment of renovascular hypertension in the United States: surgical revascularization versus catheter-based therapy, 1988-2001
    Brian S Knipp
    Section of Vascular Surgery, Departmetn of Surgery, University of Michigan Medical Center, Ann Arbor, USA
    J Vasc Surg 40:717-23. 2004
    ..Trends in the management of renovascular hypertension were evaluated by using a representative national database to determine whether a shift in treatment technology and outcomes has occurred...
  15. doi request reprint Evaluating parsimonious risk-adjustment models for comparing hospital outcomes with vascular surgery
    Nicholas H Osborne
    Department of Surgery, University of Michigan, Ann Arbor, Mich, USA
    J Vasc Surg 52:400-5. 2010
    ..Most outcomes registries use a large number of variables to control for differences in patients. We sought to determine whether fewer variables could be used for risk adjustment without compromising hospital quality comparisons...
  16. ncbi request reprint Payer status is related to differences in access and outcomes of abdominal aortic aneurysm repair in the United States
    Leslie K Boxer
    Department of Surgery, Section of Vascular Surgery, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
    Surgery 134:142-5. 2003
    ....
  17. pmc Composite measures for rating hospital quality with major surgery
    Justin B Dimick
    University of Michigan, 2800 Plymouth Road Building 520 Office 3144, Ann Arbor, MI 48109, USA
    Health Serv Res 47:1861-79. 2012
    ..To assess the value of a novel composite measure for identifying the best hospitals for major procedures...
  18. doi request reprint Composite quality measures for common inpatient medical conditions
    Lena M Chen
    Department of Internal Medicine, Division of General Medicine, University of Michigan, North Campus Research Complex, 2800 Plymouth Road, Building 16, Room 407E, AnnArbor, MI 48109 2800, USA
    Med Care 51:832-7. 2013
    ..Public reporting on quality aims to help patients select better hospitals. However, individual quality measures are suboptimal in identifying superior and inferior hospitals based on outcome performance...
  19. doi request reprint Adverse outcomes in patients with chronic liver disease undergoing colorectal surgery
    Amir A Ghaferi
    Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
    Ann Surg 252:345-50. 2010
    ..We sought to use a multi-institutional, prospective, clinical database to better understand adverse outcomes in chronic liver disease (CLD) patients undergoing colorectal surgery...
  20. ncbi request reprint Surgeon specialty and provider volumes are related to outcome of intact abdominal aortic aneurysm repair in the United States
    Justin B Dimick
    Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, 1500 E Medical Center Drive, Ann Arbor, MI 48109, USA
    J Vasc Surg 38:739-44. 2003
    ..This study was undertaken to determine the relative importance of surgeon specialty, hospital volume, and surgeon volume on outcome after abdominal aortic aneurysm (AAA) repair...
  21. ncbi request reprint Epidemiology of surgically treated abdominal aortic aneurysms in the United States, 1988 to 2000
    Reid M Wainess
    Department of Surgery, Section of Vascular Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
    Vascular 12:218-24. 2004
    ..Ruptured AAA repair by conventional means has not become safer but has decreased in incidence, suggesting possible reductions in risk factors contributing to rupture, coupled with more timely intact AAA repairs...
  22. pmc Risk adjustment for comparing hospital quality with surgery: how many variables are needed?
    Justin B Dimick
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Department of Surgery, University of Michigan, Ann Arbor, MI 48104, USA
    J Am Coll Surg 210:503-8. 2010
    ..We sought to determine whether these changes threaten the robustness of the risk adjustment of hospital quality comparisons...
  23. ncbi request reprint Diffusion of new technology in health care: the case of aorto-iliac occlusive disease
    Gilbert R Upchurch
    Surgical Outcomes Research Team SORT, Section of Vascular Surgery, University of Michigan Medical Center, Ann Arbor, MI 48109 0329, USA
    Surgery 136:812-8. 2004
    ..The objective of the current study was to characterize temporal trends in the treatment of aorto-iliac occlusive disease (AIOD) and the impact of the introduction of less invasive therapy on overall intervention rates...
  24. pmc Hospital morbidity rankings and complication severity in vascular surgery
    Micah E Girotti
    Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, MI 48109, USA
    J Vasc Surg 57:158-64. 2013
    ..However, this approach does not consider the severity or number of complications that occurred. We sought to determine whether incorporating this information would alter hospital rankings...
  25. ncbi request reprint Effect of increasing patient age on complication rates following intact abdominal aortic aneurysm repair in the United States
    Chandu Vemuri
    Surgical Outcomes Research Team, Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, Michigan 48109, USA
    J Surg Res 118:26-31. 2004
    ..This study was undertaken to determine the relation of patient age to complications following abdominal aortic aneurysm (AAA) repair in a population-based experience...
  26. ncbi request reprint Hospital teaching status and outcomes of complex surgical procedures in the United States
    Justin B Dimick
    Department of Surgery, University of Michigan Medical Center, Ann Arbor, USA
    Arch Surg 139:137-41. 2004
    ..Complex operations performed in teaching hospitals have similar outcomes as those performed in nonteaching hospitals...
  27. pmc Hospital process compliance and surgical outcomes in medicare beneficiaries
    Lauren H Nicholas
    Institute for Social Research, Ann Arbor, MI 48104, USA
    Arch Surg 145:999-1004. 2010
    ..To determine whether high rates of compliance with perioperative processes of care used for public reporting and pay-for-performance are associated with lower rates of risk-adjusted mortality and high-risk surgical complications...
  28. doi request reprint Does voluntary reporting bias hospital quality rankings?
    Amir A Ghaferi
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Department of Surgery, University of Michigan, Ann Arbor, Michigan 48109 0432, USA
    J Surg Res 161:190-4. 2010
    ..Critics argue that voluntary reporting leads to over-representation of high quality hospitals...
  29. ncbi request reprint Potential benefits of the new Leapfrog standards: effect of process and outcomes measures
    John D Birkmeyer
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Department of Surgery, University of Michigan, Ann Arbor, 48104, USA
    Surgery 135:569-75. 2004
    ..The objective of this study was to estimate the potential benefits of these newly expanded standards...
  30. ncbi request reprint Ruptured thoracoabdominal aortic aneurysm treatment in the United States: 1988 to 1998
    John A Cowan
    Department of Surgery, Division of Vascular Surgery, University of Michigan Medical Center, 1500 E Medical Center Drive, Ann Arbor, MI 48109 0329, USA
    J Vasc Surg 38:319-22. 2003
    ..Age, sex, race, nature of admission, comorbid conditions, and provider volume were abstracted from the database. In-hospital mortality, postoperative complications, and length of stay were the principal outcome measures...
  31. ncbi request reprint Surgical treatment of intact thoracoabdominal aortic aneurysms in the United States: hospital and surgeon volume-related outcomes
    John A Cowan
    Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI 48109 0329, USA
    J Vasc Surg 37:1169-74. 2003
    ..The primary outcome measure was in-hospital postoperative mortality. Secondary outcome measures included length of stay, and cardiac, pulmonary, and renal complications. Adjusted and unadjusted analyses were conducted...
  32. doi request reprint Utilization and outcomes of inpatient surgical care at critical access hospitals in the United States
    Adam J Gadzinski
    Department of Urology, University of Michigan Health System, Ann Arbor, MI 48109, USA
    JAMA Surg 148:589-96. 2013
    ..There is a growing interest in the quality and cost of care provided at Critical Access Hospitals (CAHs), a predominant source of care for many rural populations in the United States...
  33. ncbi request reprint National trends in the use and outcomes of hepatic resection
    Justin B Dimick
    Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
    J Am Coll Surg 199:31-8. 2004
    ..The objective of this investigation was to characterize trends in the use and outcomes of hepatic resection in the US during a recent 13-year period...
  34. ncbi request reprint National variation in operative mortality rates for esophageal resection and the need for quality improvement
    Justin B Dimick
    Department of Surgery, University of Michigan Medical Center, Ann Arbor, USA
    Arch Surg 138:1305-9. 2003
    ..Operative mortality rates for esophageal resection vary across hospital volume groups in a nationally representative sample of hospitals...
  35. ncbi request reprint National trends in outcomes for esophageal resection
    Justin B Dimick
    Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, USA
    Ann Thorac Surg 79:212-6; discussion 217-8. 2005
    ..The objective of the current study was to determine trends in short-term outcomes after esophageal resection in a representative sample of United States (US) hospitals...
  36. doi request reprint Do popular media and internet-based hospital quality ratings identify hospitals with better cardiovascular surgery outcomes?
    Nicholas H Osborne
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Department of Surgery, University of Michigan, Ann Arbor, MI 48109 5604, USA
    J Am Coll Surg 210:87-92. 2010
    ..It is unclear whether selecting highly rated hospitals will improve outcomes after cardiovascular surgery procedures...
  37. doi request reprint Understanding the racial disparity in the receipt of endovascular abdominal aortic aneurysm repair
    Nicholas H Osborne
    Department of Surgery, University of Michigan, Ann Arbor, 48109 5604, USA
    Arch Surg 145:1105-8. 2010
    ..Racial disparity exists in the management of abdominal aortic aneurysms (AAAs) using new health care technology...
  38. pmc Bariatric surgery complications before vs after implementation of a national policy restricting coverage to centers of excellence
    Justin B Dimick
    Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, MI 48109, USA
    JAMA 309:792-9. 2013
    ..Starting in 2006, the Centers for Medicare & Medicaid Services (CMS) has restricted coverage of bariatric surgery to hospitals designated as centers of excellence (COE) by 2 major professional organizations...
  39. ncbi request reprint Variation in postoperative complication rates after high-risk surgery in the United States
    Justin B Dimick
    Department of Surgery, University of Michigan Medical School, Taubman Center 2210, 1500 E Medical Center Drive, Ann Arbor, MI 48109 0329, USA
    Surgery 134:534-40; discussion 540-1. 2003
    ..Our goal was to characterize variation in complication rates across hospitals with differing volumes for select high-risk operations in the United States...
  40. ncbi request reprint Complications, failure to rescue, and mortality with major inpatient surgery in medicare patients
    Amir A Ghaferi
    Department of Surgery, Michigan Surgical Collaborative for Outcomes Research and Evaluation M SCORE, University of Michigan, Ann Arbor, MI 48104, USA
    Ann Surg 250:1029-34. 2009
    ..We sought to determine whether hospital variations in surgical mortality were due to differences in complication rates or failure to rescue rates (ie, case-fatality rates in patients with a complication)...
  41. doi request reprint Variation in hospital mortality associated with inpatient surgery
    Amir A Ghaferi
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, The Department of Surgery, University of Michigan, Ann Arbor 48104, USA
    N Engl J Med 361:1368-75. 2009
    ..Reducing rates of postoperative complications, the current focus of payers and regulators, may be one approach to reducing mortality. However, effective management of complications once they have occurred may be equally important...
  42. doi request reprint Prioritizing quality improvement in vascular surgery
    Peter L Schilling
    University of Michigan, Ann Arbor, MI 48109 0604, USA
    Surg Innov 17:127-31. 2010
    ..To inform ongoing quality improvement initiatives, this study assessed the relative contribution of different procedures to overall morbidity, mortality, and excess length of stay in vascular surgery...
  43. pmc A national and single institutional experience in the contemporary treatment of acute lower extremity ischemia
    Jonathan L Eliason
    Department of Surgery, Section of Vascular Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, USA
    Ann Surg 238:382-9; discussion 389-90. 2003
    ..To determine the contemporary clinical relevance of acute lower extremity ischemia and the factors associated with amputation and in-hospital mortality...
  44. pmc Operator experience and carotid stenting outcomes in Medicare beneficiaries
    Brahmajee K Nallamothu
    Center for Healthcare Outcomes and Policy, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
    JAMA 306:1338-43. 2011
    ..Although the efficacy of carotid stenting has been established in clinical trials, outcomes of the procedure based on operator experience are less certain in clinical practice...
  45. ncbi request reprint Epidemiology of surgically treated gastric cancer in the United States, 1988-2000
    Reid M Wainess
    Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, USA
    J Gastrointest Surg 7:879-83. 2003
    ..Given the declining rates of gastric cancer surgery, and the superior outcomes at high-volume centers, regionalization of care may improve mortality rates for this high-risk surgical procedure...
  46. ncbi request reprint Use of endovascular coil embolization and surgical clip occlusion for cerebral artery aneurysms
    John A Cowan
    Department of Neurosurgery, University of Michigan Health System, Ann Arbor, Michigan 48109 0338, USA
    J Neurosurg 107:530-5. 2007
    ..The authors evaluated patient demographics, endovascular and surgical approaches, and basic outcomes in the treatment of CAAs in a nationally representative administrative database...
  47. ncbi request reprint Variation in outcomes after percutaneous coronary intervention in the United States and predictors of periprocedural mortality
    Debabrata Mukherjee
    University of Michigan Cardiovascular Center, Ann Arbor, Mich, USA
    Cardiology 103:143-7. 2005
    ..Even in the contemporary era of adjunctive pharmacological therapies and ubiquitous use of stents, hospital volume remains a significant independent predictor of in-hospital mortality...
  48. doi request reprint Hospital volume and failure to rescue with high-risk surgery
    Amir A Ghaferi
    Department of Surgery, Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, MI 48109, USA
    Med Care 49:1076-81. 2011
    ..We sought to determine whether increased mortality at low-volume centers was due to higher complication rates or less success in rescuing patients from complications...
  49. ncbi request reprint The volume-outcome effect for abdominal aortic surgery: differences in case-mix or complications?
    Justin B Dimick
    Department of Surgery, University of Michigan Medical Center, 1500 E Medical Center Drive, Taubman Center 2210, Ann Arbor, MI 48109 0329, USA
    Arch Surg 137:828-32. 2002
    ..Variation in postoperative complications after abdominal aortic surgery contributes to differences in mortality between high- and low-volume hospitals...
  50. ncbi request reprint Surgical volume and quality of care for esophageal resection: do high-volume hospitals have fewer complications?
    Justin B Dimick
    Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, USA
    Ann Thorac Surg 75:337-41. 2003
    ..However, little is known regarding the relationship of morbidity to hospital volume. The objective of the current study was to investigate the relative incidence of postoperative complications after esophageal resection at HVHs and LVHs...
  51. doi request reprint Composite measures for profiling hospitals on bariatric surgery performance
    Justin B Dimick
    The Michigan Bariatric Surgery Collaborative MBSC, University of Michigan, Ann Arbor
    JAMA Surg 149:10-6. 2014
    ..The optimal approach for profiling hospital performance with bariatric surgery is unclear...
  52. ncbi request reprint Trends in utilization of adrenalectomy in the United States: have indications changed?
    Brian D Saunders
    Division of Endocrine Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
    World J Surg 28:1169-75. 2004
    ..Assuming no significant change in disease prevalence during the study period, these data suggest that indications for adrenalectomy may have changed somewhat over that period...
  53. doi request reprint Composite measures for predicting surgical mortality in the hospital
    Justin B Dimick
    University of Michigan, Ann Arbor, MI, USA
    Health Aff (Millwood) 28:1189-98. 2009
    ..In this regard, it was more effective than the individual measures. Such measures would be useful for helping patients and payers identify low-mortality hospitals for major surgery...
  54. doi request reprint Ranking hospitals on surgical quality: does risk-adjustment always matter?
    Justin B Dimick
    Department of Surgery, Michigan Surgical Collaborative for Outcomes Research and Evaluation, University of Michigan, Ann Arbor, MI 48104, USA
    J Am Coll Surg 207:347-51. 2008
    ..We sought to evaluate the importance of risk-adjustment for two cardiac surgery report cards in New York and Pennsylvania...
  55. doi request reprint Prioritizing quality improvement in general surgery
    Peter L Schilling
    Robert Wood Johnson Clinical Scholars Program, University of Michigan, Ann Arbor, MI 48109, USA
    J Am Coll Surg 207:698-704. 2008
    ..In this context, we sought to describe the relative contribution of different procedures to overall morbidity, mortality, and excess length of stay in general surgery...
  56. doi request reprint Implementation of a small bowel obstruction guideline improves hospital efficiency
    Wendy L Wahl
    Trauma and Surgical Critical Care, Saint Joseph Mercy Ann Arbor, Ann Arbor, MI 48106 0995, USA
    Surgery 152:626-32; discussion 632-4. 2012
    ..Concern for potential delays in operation led to formalization of an institution-wide SBO management guideline. We hypothesized that use of the guideline would improve initial triage and patient outcomes...
  57. doi request reprint Introduction to propensity scores: A case study on the comparative effectiveness of laparoscopic vs open appendectomy
    Mark R Hemmila
    Department of Surgery, University of Michigan Medical School, Ann Arbor, 48109 5033, USA
    Arch Surg 145:939-45. 2010
    ..To demonstrate the use of propensity scores to evaluate the comparative effectiveness of laparoscopic and open appendectomy...
  58. doi request reprint Changes in the source of unscheduled hospitalizations in the United States
    Keith E Kocher
    Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, USA
    Med Care 51:689-98. 2013
    ..Understanding recent changes in the sources of unscheduled admissions may provide opportunities to improve the quality and cost of inpatient care...
  59. ncbi request reprint Outcomes after cerebral aneurysm clip occlusion in the United States: the need for evidence-based hospital referral
    John A Cowan
    Department of Neurosurgery, University of Michigan Health System, Ann Arbor, Michigan 48109 0338, USA
    J Neurosurg 99:947-52. 2003
    ..The effect of hospital volume on the mortality rate after emergency and elective cerebral aneurysm clip occlusion in a nationally representative sample of patients is unknown...
  60. ncbi request reprint Postoperative complication rates after hepatic resection in Maryland hospitals
    Justin B Dimick
    Department of Surgery, University of Michigan, Ann Arbor, MI, USA
    Arch Surg 138:41-6. 2003
    ..High-volume centers provide superior quality care and therefore have a lower incidence of postoperative complications...
  61. pmc Ranking hospitals on surgical mortality: the importance of reliability adjustment
    Justin B Dimick
    Department of Surgery, University of Michigan, M SCORE offices, 211 N Fourth Avenue, Suite 301, Ann Arbor, MI 48104, USA
    Health Serv Res 45:1614-29. 2010
    ..We examined the implications of reliability adjustment on hospital mortality with surgery...
  62. ncbi request reprint Hospital volume and surgical outcomes for elderly patients with colorectal cancer in the United States
    Justin B Dimick
    Surgical Outcomes Research Team SORT, Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI 48109 0329, USA
    J Surg Res 114:50-6. 2003
    ..The objective of this study was to determine the impact of hospital volume on mortality for patients of different age groups to determine whether elderly patients would derive more benefit from selective referral policies...
  63. ncbi request reprint Existence of abdominal aortic aneurysms in patients with thoracic aortic dissections
    Jacqueline J Lee
    Division of Vascular Surgery, Department of Surgery, University of Michigan, 1500 East Medical Center Drive, Ann Arbor, MI, USA
    J Vasc Surg 38:671-5. 2003
    ..The objective of this study was to determine the coexistence or later development of pararenal and infrarenal abdominal aortic aneurysms (AAAs) in patients with thoracic aortic dissections...
  64. doi request reprint Identifying high-quality bariatric surgery centers: hospital volume or risk-adjusted outcomes?
    Justin B Dimick
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Department of Surgery, University of Michigan, 211 N Fourth Ave, Suite 301, Ann Arbor, MI 48104, USA
    J Am Coll Surg 209:702-6. 2009
    ..Rather than directly measuring outcomes, most programs rely on procedure volume. We sought to determine whether risk-adjusted outcomes or hospital volume were better at predicting future hospital morbidity with bariatric surgery...
  65. pmc Are mortality rates for different operations related?: implications for measuring the quality of noncardiac surgery
    Justin B Dimick
    Michigan Surgical Collaborative for Outcomes Research and Evaluation M SCORE, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
    Med Care 44:774-8. 2006
    ..Statistical power can be improved by combining mortality data from multiple operations. We sought to determine whether this approach would still be useful in understanding performance with individual procedures...
  66. pmc Variation in death rate after abdominal aortic aneurysmectomy in the United States: impact of hospital volume, gender, and age
    Justin B Dimick
    Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, and Division of Vascular Surgery, Wayne State University School of Medicine, Detroit, Michigan, USA
    Ann Surg 235:579-85. 2002
    ..To determine whether high-volume hospitals (HVHs) have lower in-hospital death rates after abdominal aortic aneurysm (AAA) repair compared with low-volume hospitals (LVHs)...
  67. ncbi request reprint Hepatic resection in the United States: indications, outcomes, and hospital procedural volumes from a nationally representative database
    Justin B Dimick
    Department of Surgery, University of Michigan Medical Center, Ann Arbor, USA
    Arch Surg 138:185-91. 2003
    ..Hepatic resection has become common in the United States for both primary and secondary hepatic tumors...
  68. ncbi request reprint Hospital volume-related differences in aorto-bifemoral bypass operative mortality in the United States
    Justin B Dimick
    Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, USA
    J Vasc Surg 37:970-5. 2003
    ..However, short-term outcome for complex surgical procedures is not uniform across medical centers. The objective of the current study was to define the relationship of hospital volume to operative mortality after AFB...
  69. doi request reprint Getting the science right on the surgeon workforce issue
    David A Etzioni
    University of Southern California, Los Angeles, USA
    Arch Surg 146:381-4. 2011
    ....
  70. pmc Surgeon age and operative mortality in the United States
    Jennifer F Waljee
    University of Michigan, MI, USA
    Ann Surg 244:353-62. 2006
    ..Although recent studies suggest that physician age is inversely related to clinical performance in primary care, relationships between surgeon age and patient outcomes have not been examined systematically...
  71. ncbi request reprint Who pays for poor surgical quality? Building a business case for quality improvement
    Justin B Dimick
    VA Outcomes Group, Department of Veterans Affairs Medical Center, White River Junction, VT, USA
    J Am Coll Surg 202:933-7. 2006
    ..The goal of the present study was to determine whether hospitals or payors incur a larger burden of increased hospital costs associated with complications...
  72. pmc Medicare payments for common inpatient procedures: implications for episode-based payment bundling
    John D Birkmeyer
    Department of Surgery, University of Michigan, 211 N Fourth Ave, Ste 2a, Ann Arbor, MI 48104, USA
    Health Serv Res 45:1783-95. 2010
    ..Decisions about bundled payments would benefit from better information about how payments are currently distributed among providers of different perioperative services and how payments vary across hospitals...
  73. ncbi request reprint Racial and geographic disparities in the utilization of surgical therapy for hepatocellular carcinoma
    Christopher J Sonnenday
    The Department of Surgery, The University of Michigan, Ann Arbor, MI, USA
    J Gastrointest Surg 11:1636-46; discussion 1646. 2007
    ..001). Further investigation to understand the etiology of these profound racial and geographic disparities is essential to ensure equitable provision of surgical therapies, which provide the only potentially curative treatments for HCC...
  74. ncbi request reprint The impact of provider volume on mortality after intracranial tumor resection
    John A Cowan
    Department of Neurosurgery, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
    Neurosurgery 52:48-53; discussion 53-4. 2003
    ..The effect of provider volume on outcomes after intracranial tumor resection is unknown and warrants investigation...
  75. doi request reprint Measuring and improving the quality of care for abdominal aortic aneurysm surgery
    Justin B Dimick
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Department of Surgery, University of Michigan Medical Center, Ann Arbor, Mich 48104, USA
    Circulation 117:2534-41. 2008
  76. pmc Real money: complications and hospital costs in trauma patients
    Mark R Hemmila
    Department of Surgery, University of Michigan Medical School, Ann Arbor, MI 48109 5033, USA
    Surgery 144:307-16. 2008
    ..We used the National Surgical Quality Improvement Program (NSQIP) methodology to evaluate hospital costs, duration of stay, and payment associated with complications in trauma patients...
  77. doi request reprint Understanding and reducing variation in surgical mortality
    John D Birkmeyer
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
    Annu Rev Med 60:405-15. 2009
    ..The optimal strategy may depend on both the clinical context (e.g., which procedure) and political realities...
  78. doi request reprint Hospital complication rates with bariatric surgery in Michigan
    Nancy J O Birkmeyer
    Department of Surgery, and Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, MI 48104, USA
    JAMA 304:435-42. 2010
    ..Despite the growing popularity of bariatric surgery, there remain concerns about perioperative safety and variation in outcomes across hospitals...
  79. pmc Operative mortality and procedure volume as predictors of subsequent hospital performance
    John D Birkmeyer
    Michigan Surgical Collaborative for Outcomes Research and Evaluation, M SCORE, Department of Surgery, University of Michigan, Ann Arbor, USA
    Ann Surg 243:411-7. 2006
    ..Despite growing interest in evidence-based hospital referral for selected surgical procedures, there remains considerable debate about which measures should be used to identify high-quality providers...
  80. pmc Outlier payments for cardiac surgery and hospital quality
    Onur Baser
    Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
    Health Aff (Millwood) 28:1154-60. 2009
    ..Still, there is variation across U.S. hospitals, with some hospitals experiencing much higher rates. These findings imply that there is potential for quality improvement to reduce costs while improving morbidity and mortality...
  81. pmc Do hospitals alter patient care effort allocations under pay-for-performance?
    Lauren Hersch Nicholas
    Institute for Social Research and Center for Healthcare Outcomes and Policy, University of Michigan, 426 Thompson St, Ann Arbor, MI 48104, USA
    Health Serv Res 46:61-81. 2011
    ..To determine whether hospitals increase efforts on easy tasks relative to difficult tasks to improve scores under pay-for-performance (P4P) incentives...
  82. ncbi request reprint The Michigan surgical quality collaborative: will a statewide quality improvement initiative pay for itself?
    Michael J Englesbe
    Department of Surgery, University of Michigan, Ann Arbor, MI 48109, USA
    Ann Surg 246:1100-3. 2007
    ..quot; The payer has made a significant investment in this regional surgical quality improvement (QI) program and funds each center's participation...
  83. ncbi request reprint Council of State Neurosurgical Societies Resident Award: The utilization of carotid endarterectomy by neurosurgeons in the United States from 1990 to 2000
    John A Cowan
    Department of Neurosurgery, University of Michigan, Ann Arbor, USA
    Clin Neurosurg 51:329-31. 2004
  84. ncbi request reprint Measuring the quality of surgical care: structure, process, or outcomes?
    John D Birkmeyer
    Section of General Surgery, University of Michigan, 2920 Taubman Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109 0331, USA
    J Am Coll Surg 198:626-32. 2004