Research ArticleINTERVENTIONAL
In-Hospital Morbidity and Mortality after Endovascular Treatment of Unruptured Intracranial Aneurysms in the United States, 1996–2000: Effect of Hospital and Physician Volume
Brian L. Hoh, James D. Rabinov, Johnny C. Pryor, Bob S. Carter and Fred G. Barker
American Journal of Neuroradiology August 2003, 24 (7) 1409-1420;
Brian L. Hoh
aNeurosurgical Service, Massachusetts General Hospital, Boston, MA
cDepartment of Surgery, Harvard Medical School, Boston, MA
James D. Rabinov
bDepartment of Radiology, Massachusetts General Hospital, Boston, MA
dDepartment of Radiology, Harvard Medical School, Boston, MA
Johnny C. Pryor
aNeurosurgical Service, Massachusetts General Hospital, Boston, MA
bDepartment of Radiology, Massachusetts General Hospital, Boston, MA
cDepartment of Surgery, Harvard Medical School, Boston, MA
Bob S. Carter
aNeurosurgical Service, Massachusetts General Hospital, Boston, MA
cDepartment of Surgery, Harvard Medical School, Boston, MA
Fred G. Barker II
aNeurosurgical Service, Massachusetts General Hospital, Boston, MA
cDepartment of Surgery, Harvard Medical School, Boston, MA
References
- ↵Luft HS, Garnick DW, Mark DH, McPhee SJ. Hospital Volume, Physician Volume, and Patient Outcomes. Ann Arbor: Health Administration Press Perspectives;1990
- ↵Hewitt M. Interpreting the Volume-Outcome Relationship in the Context of Health Care Quality: Workshop Summary. Washington: National Academy Press;2000
- ↵Begg CB, Cramer LD, Hoskins WJ, Brennan MF. Impact of hospital volume on operative mortality for major cancer surgery. JAMA 1998;280:1747–1751
- ↵Hillner BE, Smith TJ, Desch CE. Hospital and physician volume or specialization and outcomes in cancer treatment: importance in quality of cancer care. J Clin Oncol 2000;18:2327–2340
- ↵Birkmeyer JD, Siewers AE, Finlayson EV, et al. Hospital volume and surgical mortality in the United States. N Engl J Med 2002;346:1128–1137
- ↵Cronenwett JL, Birkmeyer JD, Cronenwett JL, Birkmeyer JD. The Dartmouth Atlas of Vascular Health Care. Chicago: American Hospital Publishing;2000
- ↵
- ↵Solomon RA, Mayer SA, Tarmey JJ. Relationship between the volume of craniotomies for cerebral aneurysm performed at New York state hospitals and in-hospital mortality. Stroke 1996;27:13–17
- ↵Barker FG II, Amin-Hanjani S, Butler WE, Ogilvy CS, Carter BS . In-hospital mortality and morbidity after surgical treatment of unruptured intracranial aneurysms in the United States, 1996–2000: the effect of hospital and surgeon volume. Neurosurgery 2003;52:995–1009
- ↵Bardach NS, Zhao S, Gress DR, Lawton MT, Johnston SC. Association between subarachnoid hemorrhage outcomes and number of cases treated at California hospitals. Stroke 2002;33:1851–1856
- ↵Taylor CL, Yuan Z, Selman WR, Ratcheson RA, Rimm AA. Mortality rates, hospital length of stay, and the cost of treating subarachnoid hemorrhage in older patients: institutional and geographical differences. J Neurosurg 1997;86:583–588
- ↵Steiner C, Elixhauser A, Schnaier J. The healthcare cost and utilization project: an overview. Eff Clin Pract 2002;5:143–151
- ↵Johnston SC, Dudley RA, Gress DR, Ono L. Surgical and endovascular treatment of unruptured cerebral aneurysms at university hospitals. Neurology 1999;52:1799–1805
- ↵Moses LE, Emerson JD, Hosseini H. Analyzing data from ordered categories. In Bailar JC III, Mosteller F, eds. Medical Uses of Statistics. Boston: New England Journal of Medicine Books;1992 :259–279
- McCullagh P, Nelder JA. Generalized Linear Models. 2nd ed. London: Chapman & Hall;1989
- ↵Strömberg U. Collapsing ordered outcome categories: a note of concern. Am J Epidemiol 1996;144:421–424
- ↵Elixhauser A, Steiner C, Harris DR, Coffey RM. Comorbidity measures for use with administrative data. Med Care 1998;36:8–27
- ↵Hosmer DW Jr, Lemeshow S. Applied Logistic Regression. 2nd ed. New York: John Wiley & Sons;2000
- McCullagh P. Regression models for ordinal data. J R Stat Soc [Ser B] 1980;42:109–142
- ↵Harrell FE Jr. Regression Modeling Strategies: With Applications to Linear Models, Logistic Regression, and Survival Analysis. New York: Springer-Verlag;2001
- ↵Raudenbush S, Bryk A, Cheong YF, Congdon R. HLM 5: Hierarchical Linear and Nonlinear Modeling. Lincolnwood: Scientific Software International;2001
- ↵Altman DG, Lausen B, Sauerbrei W, Schumacher M. Dangers of using “optimal” cutpoints in the evaluation of prognostic factors. J Natl Cancer Inst 1994;86:829–835
- ↵Mazumdar M, Glassman JR. Categorizing a prognostic variable: review of methods, code for easy implementation and applications to decision-making about cancer treatments. Stat Med 2000;19:113–132
- ↵Efron B, Tibshirani RJ. An Introduction to the Bootstrap. London: Chapman & Hall;1993
- ↵Harrell FE Jr. Hmisc and Design libraries for S-Plus for Windows. 2000; Software and electronic documentation available from http://hesweb1.med.virginia.edu/biostat/s/splus.html
- ↵Johnston SC, Zhao S, Dudley RA, Berman MF, Gress DR. Treatment of unruptured cerebral aneurysms in California. Stroke 2001;32:597–605
- ↵Johnston SC. Effect of endovascular services and hospital volume on cerebral aneurysm treatment outcomes. Stroke 2000;31:111–117
- ↵International Study of Unruptured Intracranial Aneurysms Investigators. Unruptured intracranial aneurysms: risk of rupture and risks of surgical intervention. N Engl J Med 1998;339:1725–1733
- ↵King JT Jr, Berlin JA, Flamm ES. Morbidity and mortality from elective surgery for asymptomatic, unruptured, intracranial aneurysms: a meta-analysis. J Neurosurg 1994;81:837–842
- Raaymakers TW, Rinkel GJ, Limburg M, Algra A. Mortality and morbidity of surgery for unruptured intracranial aneurysms: a meta-analysis. Stroke 1998;29:1531–1538
- ↵Brilstra EH, Rinkel GJ, van der Graaf Y, van Rooij WJ, Algra A. Treatment of intracranial aneurysms by embolization with coils: a systematic review. Stroke 1999;30:470–476
- ↵Shaheen NJ, Crosby MA, Bozymski EM, Sandler RS. Is there publication bias in the reporting of cancer risk in Barrett’s esophagus? Gastroenterology 2000;119:333–338
- Song F, Eastwood AJ, Gilbody S, Duley L, Sutton AJ. Publication and related biases. Health Technol Assess 2000;4:1–115
- ↵Sutton AJ, Duval SJ, Tweedie RL, Abrams KR, Jones DR. Empirical assessment of effect of publication bias on meta-analyses. BMJ 2000;320:1574–1577
- ↵Johnston SC. Identifying confounding by indication through blinded prospective review. Am J Epidemiol 2001;154:276–284
- ↵Johnston SC, Wilson CB, Halbach VV, et al. Endovascular and surgical treatment of unruptured cerebral aneurysms: comparison of risks. Ann Neurol 2000;48:11–19
- ↵Lawthers AG, McCarthy EP, Davis RB, Peterson LE, Palmer RH, Iezzoni LI. Identification of in-hospital complications from claims data: is it valid? Med Care 2000;38:785–795
- ↵Solomon RA, Fink ME, Pile-Spellman J. Surgical management of unruptured intracranial aneurysms. J Neurosurg 1994;80:440–446
- ↵Friedman JA, Piepgras DG, Pichelmann MA, Hansen KK, Brown RD Jr, Wiebers DO. Small cerebral aneurysms presenting with symptoms other than rupture. Neurology 2001;57:1212–1216
- ↵Best WR, Khuri SF, Phelan M, et al. Identifying patient preoperative risk factors and postoperative adverse events in administrative databases: results from the Department of Veterans Affairs National Surgical Quality Improvement Program. J Am Coll Surg 2002;194:257–266
- ↵Romano PS, Roos LL, Luft HS, Jollis JG, Doliszny K. A comparison of administrative versus clinical data: coronary artery bypass surgery as an example: Ischemic Heart Disease Patient Outcomes Research Team. J Clin Epidemiol 1994;47:249–260
- McCarthy EP, Iezzoni LI, Davis RB, et al. Does clinical evidence support ICD-9-CM diagnosis coding of complications? Med Care 2000;38:868–876
- Iezzoni LI. Assessing quality using administrative data. Ann Intern Med 1997;127:666–674
- ↵Iezzoni LI, Daley J, Heeren T, et al. Identifying complications of care using administrative data. Med Care 1994;32:700–715
- ↵Higashida RT, Justason BJ, Clark M, et al. Endovascular treatment of unruptured cerebral aneurysms may lead to improved outcomes and lower hospital resource use [abst]. Presented at the 41st Annual Meeting of the American Society of Neuroradiology, Vancouver, B.C., Canada,2002
- ↵Couture DE, Ellegala DB, Dumont AS, Mintz PD, Kassell NF. Blood use in cerebrovascular neurosurgery. Stroke 2002;33:994–997
- ↵
- ↵Goddard AJ, Annesley-Williams D, Gholkar A. Endovascular management of unruptured intracranial aneurysms: does outcome justify treatment? J Neurol Neurosurg Psychiatry 2002;72:485–490
- Regli L, Uske A, de Tribolet N. Endovascular coil placement compared with surgical clipping for the treatment of unruptured middle cerebral artery aneurysms: a consecutive series. J Neurosurg 1999;90:1025–1030
- ↵Roy D, Milot G, Raymond J. Endovascular treatment of unruptured aneurysms. Stroke 2001;32:1998–2004
- ↵Singh V, Gress DR, Higashida RT, Dowd CF, Halbach VV, Johnston SC. The learning curve for coil embolization of unruptured intracranial aneurysms. AJNR Am J Neuroradiol 2002;23:768–771
- ↵Wanke I, Doerfler A, Dietrich U, et al. Endovascular treatment of unruptured intracranial aneurysms. AJNR Am J Neuroradiol 2002;23:756–761
- ↵Ng P, Khangure MS, Phatouros CC, Bynevelt M, ApSimon H, McAuliffe W. Endovascular treatment of intracranial aneurysms with Guglielmi detachable coils: analysis of midterm angiographic and clinical outcomes. Stroke 2002;33:210–217
- ↵Johnston SC. Combining ecological and individual variables to reduce confounding by indication: case study: subarachnoid hemorrhage treatment. J Clin Epidemiol 2000;53:1236–1241
- ↵Doerfler A, Wanke I, Egelhof T, et al. Aneurysmal rupture during embolization with Guglielmi detachable coils: causes, management, and outcome. AJNR Am J Neuroradiol 2001;22:1825–1832
- Levy E, Koebbe CJ, Horowitz MB, et al. Rupture of intracranial aneurysms during endovascular coiling: management and outcomes. Neurosurgery 2001;49:807–813
- ↵McDougall CG, Halbach VV, Dowd CF, Higashida RT, Larsen DW, Hieshima GB. Causes and management of aneurysmal hemorrhage occurring during embolization with Guglielmi detachable coils. J Neurosurg 1998;89:87–92
- ↵Hughes RG, Hunt SS, Luft HS. Effects of surgeon volume and hospital volume on quality of care in hospitals. Med Care 1987;25:489–503
- Luft HS, Bunker JP, Enthoven AC. Should operations be regionalized? the empirical relation between surgical volume and mortality. N Engl J Med 1979;301:1364–1369
- ↵Luft HS, Hunt SS, Maerki SC. The volume-outcome relationship: practice-makes-perfect or selective-referral patterns? Health Serv Res 1987;22:157–182
- ↵Finlayson EV, Birkmeyer JD. Outcomes in vascular surgery: volume versus certification. Surgery 2001;130:897–898
- Hannan EL, Popp AJ, Feustel P, et al. Association of surgical specialty and processes of care with patient outcomes for carotid endarterectomy. Stroke 2001;32:2890–2897
- O’Neill L, Lanska DJ, Hartz A. Surgeon characteristics associated with mortality and morbidity following carotid endarterectomy. Neurology 2000;55:773–781
- Dudley RA, Johansen KL, Brand R, Rennie DJ, Milstein A. Selective referral to high-volume hospitals: estimating potentially avoidable deaths. JAMA 2000;283:1159–1166
- ↵Wennberg DE, Lucas FL, Birkmeyer JD, Bredenberg CE, Fisher ES. Variation in carotid endarterectomy mortality in the Medicare population: trial hospitals, volume, and patient characteristics. JAMA 1998;279:1278–1281
- ↵Albright AL, Sposto R, Holmes E, et al. Correlation of neurosurgical subspecialization with outcomes in children with malignant brain tumors. Neurosurgery 2000;47:879–877
- ↵Sanford RA. Craniopharyngioma: results of survey of the American Society of Pediatric Neurosurgery. Pediatr Neurosurg 1994;21:39–43
- ↵Kagan RJ, Baker RJ. The impact of the volume of neurotrauma experience on mortality after head injury. Am Surg 1994;60:394–400
- ↵Vakili BA, Kaplan R, Brown DL. Volume-outcome relation for physicians and hospitals performing angioplasty for acute myocardial infarction in New York state. Circulation 2001;104:2171–2176
- Birkmeyer JD, Finlayson EV, Birkmeyer CM. Volume standards for high-risk surgical procedures: potential benefits of the Leapfrog initiative. Surgery 2001;130:415–422
- ↵McGrath PD, Wennberg DE, Dickens JD Jr, et al. Relation between operator and hospital volume and outcomes following percutaneous coronary interventions in the era of the coronary stent. JAMA 2000;284:3139–3144
- Kimmel SE, Sauer WH, Brensinger C, Hirshfeld J, Haber HL, Localio AR. Relationship between coronary angioplasty laboratory volume and outcomes after hospital discharge. Am Heart J 2002;143:833–840
- ↵Hannan EL, Racz M, Ryan TJ, et al. Coronary angioplasty volume-outcome relationships for hospitals and cardiologists. JAMA 1997;277:892–898
- Phillips KA, Luft HS, Ritchie JL. The association of hospital volumes of percutaneous transluminal coronary angioplasty with adverse outcomes, length of stay, and charges in California. Med Care 1995;33:502–514
- Kimmel SE, Berlin JA, Laskey WK. The relationship between coronary angioplasty procedure volume and major complications. JAMA 1995;274:1137–1142
- ↵Ritchie JL, Phillips KA, Luft HS. Coronary angioplasty: statewide experience in California. Circulation 1993;88:2735–2743
- ↵Kassell NF, Torner JC, Haley EC Jr, Jane JA, Adams HP, Kongable GL. The International Cooperative Study on the Timing of Aneurysm Surgery: part 1. overall management results. J Neurosurg 1990;73:18–36
- ↵
- ↵Murayama Y, Viñuela F, Duckwiler GR, Gobin YP, Guglielmi G. Embolization of incidental cerebral aneurysms by using the Guglielmi detachable coil system. J Neurosurg 1999;90:207–214
- ↵Malisch TW, Guglielmi G, Viñuela F, et al. Intracranial aneurysms treated with the Guglielmi detachable coil: midterm clinical results in a consecutive series of 100 patients. J Neurosurg 1997;87:176–183
In this issue
Advertisement
In-Hospital Morbidity and Mortality after Endovascular Treatment of Unruptured Intracranial Aneurysms in the United States, 1996–2000: Effect of Hospital and Physician Volume
Brian L. Hoh, James D. Rabinov, Johnny C. Pryor, Bob S. Carter, Fred G. Barker
American Journal of Neuroradiology Aug 2003, 24 (7) 1409-1420;
In-Hospital Morbidity and Mortality after Endovascular Treatment of Unruptured Intracranial Aneurysms in the United States, 1996–2000: Effect of Hospital and Physician Volume
Brian L. Hoh, James D. Rabinov, Johnny C. Pryor, Bob S. Carter, Fred G. Barker
American Journal of Neuroradiology Aug 2003, 24 (7) 1409-1420;
Jump to section
Related Articles
- No related articles found.
Cited By...
- Trends in hospital procedure volumes for intra-arterial treatment of acute ischemic stroke: results from the paul coverdell national acute stroke program
- Treatment and diagnosis of cerebral aneurysms in the post-International Subarachnoid Aneurysm Trial (ISAT) era: trends and outcomes
- Long-term retreatment rates of cerebral aneurysms in a population-level cohort
- Treatment of ruptured and unruptured cerebral aneurysms in the USA: a paradigm shift
- Practice makes perfect: establishing reasonable minimum thrombectomy volume requirements for stroke centers
- Training Standards in Neuroendovascular Surgery: Program Accreditation and Practitioner Certification
- Medicare expenditures for elderly patients undergoing surgical clipping or endovascular intervention for unruptured cerebral aneurysms
- Cerebral aneurysm treatment has not shifted to low volume centers
- National Analysis of 2454 Pediatric Moyamoya Admissions and the Effect of Hospital Volume on Outcomes
- Clipping and Coiling of Unruptured Intracranial Aneurysms Among Medicare Beneficiaries, 2000 to 2010
- Needed Dialog: Regionalization of Stroke Systems of Care Along the Trauma Model
- Carotid revascularization treatment is shifting to low volume centers
- Systematic regionalization of stroke care
- Cerebral aneurysm treatment is beginning to shift to low volume centers
- A predictive model of outcomes during cerebral aneurysm coiling
- Endovascular Treatment of Anterior Communicating Artery Aneurysms: A Systematic Review and Meta-Analysis
- Safety and Efficacy of Neuroform for Treatment of Intracranial Aneurysms: A Prospective, Consecutive, French Multicentric Study
- Impact of integrated cerebrovascular program on outcomes in patients with intracranial aneurysms
- Should neurointerventional fellowship training be suspended indefinitely?
- Treatment of ruptured and unruptured cerebral aneurysms in the USA: a paradigm shift
- Technological Advances in the Management of Unruptured Intracranial Aneurysms Fail to Improve Outcome in New York State
- Patient Outcomes Are Better for Unruptured Cerebral Aneurysms Treated at Centers That Preferentially Treat with Endovascular Coiling: A Study of the National Inpatient Sample 2001-2007
- Better Outcomes with Treatment by Coiling Relative to Clipping of Unruptured Intracranial Aneurysms in the United States, 2001-2008
- Effect of Age on Outcomes of Treatment of Unruptured Cerebral Aneurysms: A Study of the National Inpatient Sample 2001-2008
- Similar Safety in Centers with Low and High Volumes of Endovascular Treatments for Unruptured Intracranial Aneurysms: Evaluation of the Analysis of Treatment by Endovascular Approach of Nonruptured Aneurysms Study
- Length of Stay and Total Hospital Charges of Clipping Versus Coiling for Ruptured and Unruptured Adult Cerebral Aneurysms in the Nationwide Inpatient Sample Database 2002 to 2006
- Influence of Weekend Hospital Admission on Short-Term Mortality After Intracerebral Hemorrhage
- Costs of Stroke Using Patient-Level Data: A Critical Review of the Literature
- Treatment related morbidity of unruptured intracranial aneurysms: results of a prospective single centre series with an interdisciplinary approach over a 6 year period (1999 2005)
- Pediatric Brain Tumors: Provider Volume and Outcomes
- Interventional Neuroradiology
This article has not yet been cited by articles in journals that are participating in Crossref Cited-by Linking.
More in this TOC Section
Similar Articles
Advertisement