Research Topics
| Justin B DimickSummaryAffiliation: University of Michigan Country: USA Publications
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Publications
Composite measures for profiling hospitals on surgical morbidityJustin 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...- Bariatric surgery complications before vs after implementation of a national policy restricting coverage to centers of excellenceJustin 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... - Reliability adjustment for reporting hospital outcomes with surgeryJustin 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)... 
Hospital teaching status and outcomes of complex surgical procedures in the United StatesJustin 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...- National variation in operative mortality rates for esophageal resection and the need for quality improvementJustin 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... - 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... 
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...- Composite measures for predicting surgical mortality in the hospitalJustin 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... - Ranking hospitals on surgical mortality: the importance of reliability adjustmentJustin 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... - Who pays for poor surgical quality? Building a business case for quality improvementJustin 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... - Measuring and improving the quality of care for abdominal aortic aneurysm surgeryJustin 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 - National trends in outcomes for esophageal resectionJustin 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... - Endovascular technology, hospital volume, and mortality with abdominal aortic aneurysm surgeryJustin 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... - The effect of secondary operations on mortality following abdominal aortic aneurysm repair in the United States: 1988-2001Jonathan 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.... - Hospital characteristics associated with failure to rescue from complications after pancreatectomyAmir 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... - Evaluating popular media and internet-based hospital quality ratings for cancer surgeryNicholas 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... - Should older patients be selectively referred to high-volume centers for abdominal aortic surgery?Justin B Dimick
Department of Surgery, Johns Hopkins University, USA
Vascular 12:51-6. 2004..Because of this differential effect, targeting elderly patients for regionalization would achieve most potentially avoidable deaths for this common high-risk surgical procedure... - Racial/ethnic disparities in access to care and survival for patients with early-stage hepatocellular carcinomaAmit 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)... - A population-based analysis of endovascular versus open thoracic aortic aneurysm repairBabak 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... - Hospital volume-related differences in aorto-bifemoral bypass operative mortality in the United StatesJustin B Dimick
Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, USA
J Vasc Surg 37:970-5. 2003..The effect of hospital volume of AFB procedures on outcome should be of importance to patients, providers, and health policy makers... - 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... - Hospital quality and the cost of inpatient surgery in the United StatesJohn 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... - Explaining racial disparities in mortality after abdominal aortic aneurysm repairNicholas 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... - Diffusion of new technology for the treatment of renovascular hypertension in the United States: surgical revascularization versus catheter-based therapy, 1988-2001Brian S Knipp
Section of Vascular Surgery, Departmetn of Surgery, University of Michigan Medical Center, Ann Arbor, USA
J Vasc Surg 40:717-23. 2004..A better understanding of the diffusion of this technology in the treatment of individuals with renovascular hypertension will influence the training and distribution of future vascular specialists responsible for these patients... - The impact of adjusting for reliability on hospital quality rankings in vascular surgeryNicholas 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... - Surgical treatment of intact thoracoabdominal aortic aneurysms in the United States: hospital and surgeon volume-related outcomesJohn A Cowan
Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI 48109-0329, USA
J Vasc Surg 37:1169-74. 2003.... - Composite measures for rating hospital quality with major surgeryJustin 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... - Evaluating parsimonious risk-adjustment models for comparing hospital outcomes with vascular surgeryNicholas 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... - Surgeon volume as an indicator of outcomes after carotid endarterectomy: an effect independent of specialty practice and hospital volumeJohn A Cowan
Department of Neurosurgery, University of Michigan Medical Center, Ann Arbor, MI, USA
J Am Coll Surg 195:814-21. 2002..Health policy efforts should focus on reducing the number of low-volume surgeons, regardless of surgeon specialty or total hospital CEA volume... - 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... - Postoperative complication rates after hepatic resection in Maryland hospitalsJustin B Dimick
Department of Surgery, University of Michigan, Ann Arbor, MI, USA
Arch Surg 138:41-6. 2003..The empirical difference between outcomes at high- and low-volume hospitals seems to be due to a variation in postoperative complications... - Payer status is related to differences in access and outcomes of abdominal aortic aneurysm repair in the United StatesLeslie K Boxer
Department of Surgery, Section of Vascular Surgery, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
Surgery 134:142-5. 2003..Operative mortality rates in uninsured patients are greater for elective and emergent AAA repair. These data support the tenet that payer status is associated with mortality rates after AAA repair... - Racial disparities in the use of revascularization before leg amputation in Medicare patientsKerianne H Holman
Robert Wood Johnson Foundation, The University of Michigan, Ann Arbor, MI
J Vasc Surg 54:420-6, 426.e1. 2011..In order to determine whether differences in attempts at limb salvage might contribute to this disparity, we studied the limb care received prior to amputation by black patients compared with whites... - 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... - Operator experience and carotid stenting outcomes in Medicare beneficiariesBrahmajee 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... - 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... - Hospital morbidity rankings and complication severity in vascular surgeryMicah 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... - Hospital process compliance and surgical outcomes in medicare beneficiariesLauren 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... - Understanding the racial disparity in the receipt of endovascular abdominal aortic aneurysm repairNicholas 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... - Ruptured thoracoabdominal aortic aneurysm treatment in the United States: 1988 to 1998John 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..Surviving patients experience many postoperative complications and have lengthy hospital stays. Given the lack of significant improvement in contemporary surgical practice, new techniques of repair deserve the attention of clinicians... - Adverse outcomes in patients with chronic liver disease undergoing colorectal surgeryAmir 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... - 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... - Variation in postoperative complication rates after high-risk surgery in the United StatesJustin 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..Variation in complication rates may contribute to the volume-outcome relationship and provide a focus for quality improvement at LVH... - Surgeon specialty and provider volumes are related to outcome of intact abdominal aortic aneurysm repair in the United StatesJustin 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..Health policy in support of selective referral for AAA repair should consider surgical specialization in addition to provider volume thresholds... - Effect of increasing patient age on complication rates following intact abdominal aortic aneurysm repair in the United StatesChandu 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..Quality improvement efforts must focus on minimizing complication rates in elderly patients undergoing common vascular surgical procedures including AAA repair... - Epidemiology of surgically treated abdominal aortic aneurysms in the United States, 1988 to 2000Reid 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... - Diffusion of new technology in health care: the case of aorto-iliac occlusive diseaseGilbert 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..Acceptable clinical outcomes have likely lowered the threshold for treatment and contributed to the rapid diffusion of this technology for the treatment of AIOD... - Surgical mortality as an indicator of hospital quality: the problem with small sample sizeJustin B Dimick
VA Outcomes Group, Department of Veterans Affairs Medical Center, White River Junction, VT 05009, USA
JAMA 292:847-51. 2004..Surgical mortality rates are increasingly used to measure hospital quality. It is not clear, however, how many hospitals have sufficient caseloads to reliably identify quality problems... - Hospital volume and surgical outcomes for elderly patients with colorectal cancer in the United StatesJustin 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... - Variation in hospital mortality associated with inpatient surgeryAmir 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... - Potential benefits of the new Leapfrog standards: effect of process and outcomes measuresJohn 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..For some procedures, standards comprised of process of care or direct outcome measures would be more effective than those based on volume alone... - National trends in the use and outcomes of hepatic resectionJustin B Dimick
Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
J Am Coll Surg 199:31-8. 2004..Short-term outcomes have also improved over the same time period, with more improvement seen at higher volume centers than in lower volume centers... - Epidemiology of surgically treated gastric cancer in the United States, 1988-2000Reid 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... - Variation in outcomes after percutaneous coronary intervention in the United States and predictors of periprocedural mortalityDebabrata 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... - Reducing avoidable deaths among veterans: directing private-sector surgical care to high-performance hospitalsWilliam B Weeks
Veterans Administration VA Outcomes Group Research Enhancement Award Program, VA Medical Center, White River Junction, VT 05009, USA
Am J Public Health 97:2186-92. 2007..We quantified older (65 years and older) Veterans Health Administration (VHA) patients' use of the private sector to obtain 14 surgical procedures and assessed the potential impact of directing that care to high-performance hospitals... - Outlier payments for cardiac surgery and hospital qualityOnur 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... - Hospital volume and failure to rescue with high-risk surgeryAmir 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... - Complications, failure to rescue, and mortality with major inpatient surgery in medicare patientsAmir 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)... - A national and single institutional experience in the contemporary treatment of acute lower extremity ischemiaJonathan 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..07, 0.01-0.57). CONCLUSIONS: In patients with acute limb ischemia, the more widespread use of heparin anticoagulation and, in select patients, performance of embolectomy rather than pursuing thrombolysis may improve patient outcomes... - Prioritizing quality improvement in vascular surgeryPeter 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... - 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... - Outcomes after cerebral aneurysm clip occlusion in the United States: the need for evidence-based hospital referralJohn 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... - Surgeon age and operative mortality in the United StatesJennifer 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... - 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... - Use of endovascular coil embolization and surgical clip occlusion for cerebral artery aneurysmsJohn 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... - 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... - Council of State Neurosurgical Societies Resident Award: The utilization of carotid endarterectomy by neurosurgeons in the United States from 1990 to 2000John A Cowan
Department of Neurosurgery, University of Michigan, Ann Arbor, USA
Clin Neurosurg 51:329-31. 2004 - The impact of provider volume on mortality after intracranial tumor resectionJohn 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... - Hepatic resection in the United States: indications, outcomes, and hospital procedural volumes from a nationally representative databaseJustin B Dimick
Department of Surgery, University of Michigan Medical Center, Ann Arbor, USA
Arch Surg 138:185-91. 2003..CONCLUSIONS: Hospital procedural volume is an important predictor of mortality after hepatic resection. Patients who require resection of primary and secondary liver tumors should be offered referral to a high-volume center... - Variation in death rate after abdominal aortic aneurysmectomy in the United States: impact of hospital volume, gender, and ageJustin 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..These data support the regionalization of patients to HVHs for AAA repair... - Prioritizing quality improvement in general surgeryPeter 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... - Racial and geographic disparities in the utilization of surgical therapy for hepatocellular carcinomaChristopher 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... - Real money: complications and hospital costs in trauma patientsMark 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... - Medicare payments for common inpatient procedures: implications for episode-based payment bundlingJohn 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... - Rural hospitals and volume standards in surgeryJustin B Dimick
VA Outcomes Group, Department of Veterans Affairs Medical Center, White River Junction, VT 05009, USA
Surgery 140:367-71. 2006..We sought to understand the potential impact of volume-based referral policy on rural hospitals by estimating the proportion of low-volume operations occurring in rural versus urban hospitals... - Hospital complication rates with bariatric surgery in MichiganNancy 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... - Understanding and reducing variation in surgical mortalityJohn 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... - Operative mortality and procedure volume as predictors of subsequent hospital performanceJohn 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... - Introduction to propensity scores: A case study on the comparative effectiveness of laparoscopic vs open appendectomyMark 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... - Getting the science right on the surgeon workforce issueDavid A Etzioni
University of Southern California, Los Angeles, USA
Arch Surg 146:381-4. 2011.... - 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... - Impact of surgical volume on mortality and length of stay after nephrectomyDavid A Taub
Department of Urology, University of Michigan Medical Center, Ann Arbor, Michigan, USA
Urology 63:862-7. 2004..These findings provide compelling evidence that hospital volume and patient characteristics have important effects on surgical outcome specific to renal neoplasms... - Regional availability of high-volume hospitals for major surgeryJustin B Dimick
Veterans Affairs VA Outcomes Group, VA Medical Center, Vermont, USA
Health Aff (Millwood) . 2004..Other regions had enough cases but too many hospitals performing them. Although consolidation of surgical services may be feasible in some settings, volume-based referral strategies are impractical for many U.S. regions... - Measuring surgical quality: what's the role of provider volume?Justin B Dimick
Center for the Evaluative Clinical Sciences, Dartmouth Medical School, Hanover, NH, USA
World J Surg 29:1217-21. 2005..With increasing momentum from outside the profession of surgery, it is particularly important for surgeons to participate in making decisions regarding situations where volume may be an appropriate measure of quality... - The zero mortality paradox in surgeryJustin B Dimick
VA Outcomes Group, Department of Veterans Affairs Medical Center, White River Junction, VT 05009, USA
J Am Coll Surg 206:13-6. 2008..We sought to determine if hospitals with zero mortality over 3 years also have lower than average mortality in the subsequent year... - Are mortality rates for different operations related?: implications for measuring the quality of noncardiac surgeryJustin 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... - Hospital costs associated with surgical complications: a report from the private-sector National Surgical Quality Improvement ProgramJustin B Dimick
Center for Evaluative Clinical Sciences, Dartmouth Medical School, Hanover, NH, USA
J Am Coll Surg 199:531-7. 2004.... - Hand-assisted laparoscopic splenectomy in patients with splenomegaly or prior upper abdominal operationGorav Ailawadi
Section of General Surgery, University of Michigan Medical School, Ann Arbor, USA
Surgery 132:689-94; discussion 694-6. 2002..In addition, HLS may be associated with a lower conversion rate and decreased blood loss... - Organizational characteristics and the quality of surgical careJustin B Dimick
VA Outcomes Group, VA Medical Center, White River Junction, VT 05009, USA
Curr Opin Crit Care 11:345-8. 2005..Given that many of the most prominent efforts focus on organizational factors, this paper reviews the growing body of evidence underlying these initiatives... - Specialty training and mortality after esophageal cancer resectionJustin B Dimick
VA Outcomes Group, Department of Veterans Affairs Medical Center, White River Junction, Vermont 05009, USA
Ann Thorac Surg 80:282-6. 2005..Surgeons with advanced training have lower mortality rates with some surgical procedures. The objective of the current study was to investigate the impact of thoracic surgery training on mortality rates of esophageal cancer resection... - Risk of colonization of central venous catheters: catheters for total parenteral nutrition vs other cathetersJustin B Dimick
School of Medicine, Johns Hopkins University, Baltimore, MD, USA
Am J Crit Care 12:328-35. 2003..19; 95% CI, 0.04-0.83). CONCLUSION: Rates of colonization were lowest for catheters used solely for total parenteral nutrition, suggesting that a team approach improves patients' care... - The quality of care for patients with abdominal aortic aneurysmsJustin B Dimick
University of Michigan Medical Center, Section of Vascular Surgery, 2210 Taubman Health Care Center, 1500 E. Medical Center Drive, Ann Arbor, MI 48109-0329, USA
Cardiovasc Surg 11:331-6. 2003..Processes of care of high-volume providers and vascular surgeons should be studied and used to guide quality improvement efforts for lower volume providers and surgeons of other specialties performing AAA repair... - Who performs endocrine operations in the United States?Brian D Saunders
Department of Surgery, Divisions of Endocrine Surgery and Vascular Surgery, University of Michigan, 1500 E Medical Center Drive, Taubman Center 2920H, Ann Arbor, MI 48109 0331, USA
Surgery 134:924-31; discussion 931. 2003..Endocrine surgery is a discipline that is dedicated to high-quality care of patients with endocrine surgical disease. The relationship between its "identity" as a separate field and clinical practice patterns is not known... - Epidemiology of aortic aneurysm repair in the United States from 1993 to 2003John A Cowan
University of Michigan Cardiovascular Center, Ann Arbor, Michigan, USA
Ann N Y Acad Sci 1085:1-10. 2006..This shift, at least in the short term, appears justified as the mortality in patients undergoing elective endovascular AAA repair is significantly reduced compared to patients undergoing open AAA repair... - Blueprint for a new American College of Surgeons: National Surgical Quality Improvement ProgramJohn D Birkmeyer
Department of Surgery, University of Michigan, Ann Arbor, MI, USA
J Am Coll Surg 207:777-82. 2008 - Existence of abdominal aortic aneurysms in patients with thoracic aortic dissectionsJacqueline 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..This finding supports the tenet that abdominal CTs or ultrasound scanning should be mandatory in the follow-up of patients with known thoracic aortic dissections... - 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