Association of risk factors with unfavorable outcomes after resection of adult benign intradural spine tumors and the effect of hospital volume on outcomes: An analysis of 18,297 patients across 774 US hospitals using the National Inpatient Sample (2002-2011)

Neurosurgical Focus

Volumn 39, Issue 2, 2015, Pages E4-

  Kalakoti, Piyush ^a   Missios, Symeon ^a   Menger, Richard ^a   Kukreja, Sunil ^a   Konar, Subhas ^a   Nanda, Anil ^a  

^a Louisiana State University Health Sciences Center at Shreveport   (United States)

Author keywords

Intradural spine tumors; National Inpatient Sample; NIS; Spine surgery; Unfavorable outcomes

Indexed keywords

ADULT; AGED; CLINICAL TRIAL; COHORT ANALYSIS; COMORBIDITY; FACTUAL DATABASE; FEMALE; HOSPITAL DISCHARGE; HOSPITAL PATIENT; HUMAN; LENGTH OF STAY; MALE; MIDDLE AGED; MORTALITY; MULTICENTER STUDY; POSTOPERATIVE COMPLICATIONS; RETROSPECTIVE STUDY; RISK FACTOR; SPINAL CORD NEOPLASMS; STATISTICS AND NUMERICAL DATA; TREATMENT OUTCOME; UNITED STATES;

ADULT; AGED; COHORT STUDIES; COMORBIDITY; DATABASES, FACTUAL; FEMALE; HUMANS; INPATIENTS; LENGTH OF STAY; MALE; MIDDLE AGED; PATIENT DISCHARGE; POSTOPERATIVE COMPLICATIONS; RETROSPECTIVE STUDIES; RISK FACTORS; SPINAL CORD NEOPLASMS; TREATMENT OUTCOME; UNITED STATES;

EID: 84938587974     PISSN: None     EISSN: 10920684     Source Type: Journal    
DOI: 10.3171/2015.5.FOCUS15157     Document Type: Article

References (72)

1. Agency for Healthcare Research and Quality: Overview of the Nationwide Inpatient Sample (NIS). Healthcare and Utilization Project. (https://www.hcup-us.ahrq.gov/nisoverview. jsp) [Accessed June 4, 2015]
2. Aghayev K, Vrionis F, Chamberlain MC: Adult intradural primary spinal cord tumors. J Natl Compr Canc Netw 9:434-447, 2011
3. Alosh H, Riley LH III, Skolasky RL: Insurance status, geography, race, and ethnicity as predictors of anterior cervical spine surgery rates and in-hospital mortality: an examination of United States trends from 1992 to 2005. Spine (Phila Pa 1976) 34:1956-1962, 2009
4. Bardach NS, Zhao S, Gress DR, Lawton MT, Johnston SC: Association between subarachnoid hemorrhage outcomes and number of cases treated at California hospitals. Stroke 33:1851-1856, 2002
5. Barker FG II: Craniotomy for the resection of metastatic brain tumors in the U.S., 1988-2000: decreasing mortality and the effect of provider caseload. Cancer 100:999-1007, 2004
6. 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 52:995-1009, 2003
7. Barker FG II, Carter BS, Ojemann RG, Jyung RW, Poe DS, McKenna MJ: Surgical excision of acoustic neuroma: patient outcome and provider caseload. Laryngoscope 113:1332-1343, 2003
8. Barker FG II, Curry WT Jr, Carter BS: Surgery for primary supratentorial brain tumors in the United States, 1988 to 2000: the effect of provider caseload and centralization of care. Neuro Oncol 7:49-63, 2005
9. Barker FG II, Klibanski A, Swearingen B: Transsphenoidal surgery for pituitary tumors in the United States, 1996-2000: mortality, morbidity, and the effects of hospital and surgeon volume. J Clin Endocrinol Metab 88:4709-4719, 2003
10. Bearden D, Allman R, McDonald R, Miller S, Pressel S, Petrovitch H: Age, race, and gender variation in the utilization of coronary artery bypass surgery and angioplasty in SHEP. J Am Geriatr Soc 42:1143-1149, 1994
11. Berman MF, Solomon RA, Mayer SA, Johnston SC, Yung PP: Impact of hospital-related factors on outcome after treatment of cerebral aneurysms. Stroke 34:2200-2207, 2003
12. Berthelsen CL: Evaluation of coding data quality of the HCUP National Inpatient Sample. Top Health Inf Manage 21:10-23, 2000
13. Birkmeyer JD, Siewers AE, Finlayson EV, Stukel TA, Lucas FL, Batista I, et al: Hospital volume and surgical mortality in the United States. N Engl J Med 346:1128-1137, 2002
14. Boström A, Kanther NC, Grote A, Boström J: Management and outcome in adult intramedullary spinal cord tumours: a 20-year single institution experience. BMC Res Notes 7:908, 2014
15. Carey TS, Garrett JM: The relation of race to outcomes and the use of health care services for acute low back pain. Spine (Phila Pa 1976) 28:390-394, 2003
16. Chamberlain MC, Tredway TL: Adult primary intradural spinal cord tumors: a review. Curr Neurol Neurosci Rep 11:320-328, 2011
17. Charlson ME, Ales KL, Simon R, MacKenzie CR: Why predictive indexes perform less well in validation studies. Is it magic or methods? Arch Intern Med 147:2155-2161, 1987
18. Charlson ME, Pompei P, Ales KL, MacKenzie CR: A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. J Chronic Dis 40:373-383, 1987
19. Cheung MC, Koniaris LG, Perez EA, Molina MA, Goodwin WJ, Salloum RM: Impact of hospital volume on surgical outcome for head and neck cancer. Ann Surg Oncol 16:1001-1009, 2009
20. Constantini S, Houten J, Miller DC, Freed D, Ozek MM, Rorke LB, et al: Intramedullary spinal cord tumors in children under the age of 3 years. J Neurosurg 85:1036-1043, 1996
21. Conti P, Pansini G, Mouchaty H, Capuano C, Conti R: Spinal neurinomas: retrospective analysis and long-term outcome of 179 consecutively operated cases and review of the literature. Surg Neurol 61:34-44, 2004
22. Cross DT III, Tirschwell DL, Clark MA, Tuden D, Derdeyn CP, Moran CJ, et al: Mortality rates after subarachnoid hemorrhage: variations according to hospital case volume in 18 states. J Neurosurg 99:810-817, 2003
23. Curry WT, McDermott MW, Carter BS, Barker FG II: Craniotomy for meningioma in the United States between 1988 and 2000: decreasing rate of mortality and the effect of provider caseload. J Neurosurg 102:977-986, 2005
24. Dasenbrock HH, Clarke MJ, Witham TF, Sciubba DM, Gokaslan ZL, Bydon A: The impact of provider volume on the outcomes after surgery for lumbar spinal stenosis. Neurosurgery 70:1346-1354, 2012
25. Daumit GL, Hermann JA, Coresh J, Powe NR: Use of cardiovascular procedures among black persons and white persons: a 7-year nationwide study in patients with renal disease. Ann Intern Med 130:173-182, 1999
26. Dodd RL, Ryu MR, Kamnerdsupaphon P, Gibbs IC, Chang SD Jr, Adler JR Jr: CyberKnife radiosurgery for benign intradural extramedullary spinal tumors. Neurosurgery 58:674-685, 2006
27. Ebner FH, Roser F, Falk M, Hermann S, Honegger J, Tatagiba M: Management of intramedullary spinal cord lesions: interdependence of the longitudinal extension of the lesion and the functional outcome. Eur Spine J 19:665-669, 2010
28. Pan E, Prados MD: Spinal cord tumors, in Kufe DW, Pollock RE, Weichselbaum RR, et al (eds): Holland-Frei Cancer Medicine, ed 6. Hamilton, ON: BC Decker, 2003
29. Elsberg CA: Some aspects of the diagnosis and surgical treatment of tumors of the spinal cord: with a study of the end results in a series of 119 operations. Ann Surg 81:1057-1073, 1925
30. Englot DJ, Ouyang D, Wang DD, Rolston JD, Garcia PA, Chang EF: Relationship between hospital surgical volume, lobectomy rates, and adverse perioperative events at US epilepsy centers. J Neurosurg 118:169-174, 2013
31. Epstein FJ, Farmer JP, Freed D: Adult intramedullary spinal cord ependymomas: the result of surgery in 38 patients. J Neurosurg 79:204-209, 1993
32. Farjoodi P, Skolasky RL, Riley LH: The effects of hospital and surgeon volume on postoperative complications after LumbarSpine surgery. Spine (Phila Pa 1976) 36:2069-2075, 2011
33. Fisher ES, McClellan MB, Safran DG: Building the path to accountable care. N Engl J Med 365:2445-2447, 2011
34. Gezen F, Kahraman S, Canakci Z, Bedük A: Review of 36 cases of spinal cord meningioma. Spine (Phila Pa 1976) 25:727-731, 2000
35. Gittelsohn AM, Halpern J, Sanchez RL: Income, race, and surgery in Maryland. Am J Public Health 81:1435-1441, 1991
36. Gordon TA, Burleyson GP, Tielsch JM, Cameron JL: The effects of regionalization on cost and outcome for one general high-risk surgical procedure. Ann Surg 221:43-49, 1995
37. Groeneveld PW, Laufer SB, Garber AM: Technology diffusion, hospital variation, and racial disparities among elderly Medicare beneficiaries: 1989-2000. Med Care 43:320-329, 2005
38. Halm EA, Lee C, Chassin MR: Is volume related to outcome in health care? A systematic review and methodologic critique of the literature. Ann Intern Med 137:511-520, 2002
39. Harrop JS, Ganju A, Groff M, Bilsky M: Primary intramedullary tumors of the spinal cord. Spine (Phila Pa 1976) 34(22 Suppl):S69-S77, 2009
40. Hoh BL, Rabinov JD, Pryor JC, Carter BS, Barker FG II: Inhospital morbidity and mortality after endovascular treatment of unruptured intracranial aneurysms in the United States, 1996-2000: effect of hospital and physician volume. AJNR Am J Neuroradiol 24:1409-1420, 2003
41. Johnston SC: Effect of endovascular services and hospital volume on cerebral aneurysm treatment outcomes. Stroke 31:111-117, 2000
42. Kalakoti P, Ahmed O, Bollam P, Missios S, Wilden J, Nanda A. Predictors of unfavorable outcomes following deep brain stimulation for movement disorders and the effect of hospital case volume on outcomes: an analysis of 33, 642 patients across 234 US hospitals using the National (Nationwide) Inpatient Sample from 2002 to 2011. Neurosurg Focus 38(6):E4, 2015
43. Kalkanis SN, Eskandar EN, Carter BS, Barker FG II: Microvascular decompression surgery in the United States, 1996 to 2000: mortality rates, morbidity rates, and the effects of hospital and surgeon volumes. Neurosurgery 52:1251-1262, 2003
44. Kaufman JS, Cooper RS, McGee DL: Socioeconomic status and health in blacks and whites: the problem of residual confounding and the resiliency of race. Epidemiology 8:621-628, 1997
45. Khuri SF, Daley J, Henderson W, Hur K, Hossain M, Soybel D, et al: Relation of surgical volume to outcome in eight common operations: results from the VA National Surgical Quality Improvement Program. Ann Surg 230:414-432, 1999
46. Klekamp J, Samii M: Surgery of spinal nerve sheath tumors with special reference to neurofibromatosis. Neurosurgery 42:279-290, 1998
47. Kumar R, Banerjee S: Management and functional outcome of intramedullary spinal cord tumors: A prospective clinical study. Asian J Neurosurg 9:177-181, 2014
48. 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 38:785-795, 2000
49. Lee SM, Cho YE, Kwon YM: Neurological outcome after surgical treatment of intramedullary spinal cord tumors. Korean J Spine 11:121-126, 2014
50. Matsuyama Y, Sakai Y, Katayama Y, Imagama S, Ito Z, Wakao N, et al: Surgical results of intramedullary spinal cord tumor with spinal cord monitoring to guide extent of resection. J Neurosurg Spine 10:404-413, 2009
51. Miller DJ, McCutcheon IE: Hemangioblastomas and other uncommon intramedullary tumors. J Neurooncol 47:253-270, 2000
52. Nambiar M, Kavar B: Clinical presentation and outcome of patients with intradural spinal cord tumours. J Clin Neurosci 19:262-266, 2012
53. Nwachukwu BU, Kenny AD, Losina E, Chibnik LB, Katz JN: Complications for racial and ethnic minority groups after total hip and knee replacement: a review of the literature. J Bone Joint Surg Am 92:338-345, 2010
54. O'Malley KJ, Cook KF, Price MD, Wildes KR, Hurdle JF, Ashton CM: Measuring diagnoses: ICD code accuracy. Health Serv Res 40:1620-1639, 2005
55. Parsa AT, Lee J, Parney IF, Weinstein P, McCormick PC, Ames C: Spinal cord and intradural-extraparenchymal spinal tumors: current best care practices and strategies. J Neurooncol 69:291-318, 2004
56. Parsa AT, McCormick PC: Intramedullary Spinal Tumors. Philadelphia: Saunders, 2006
57. Patil CG, Patil TS, Lad SP, Boakye M: Complications and outcomes after spinal cord tumor resection in the United States from 1993 to 2002. Spinal Cord 46:375-379, 2008
58. Romano PS, Roos LL, Jollis JG: Adapting a clinical comorbidity index for use with ICD-9-CM administrative data: differing perspectives. J Clin Epidemiol 46:1075-1090, 1993
59. Seppälä MT, Haltia MJ, Sankila RJ, Jääskeläinen JE, Heiskanen O: Long-term outcome after removal of spinal neurofibroma. J Neurosurg 82:572-577, 1995
60. Seppälä MT, Haltia MJ, Sankila RJ, Jääskeläinen JE, Heiskanen O: Long-term outcome after removal of spinal schwannoma: a clinicopathological study of 187 cases. J Neurosurg 83:621-626, 1995
61. Sharma M, Sonig A, Ambekar S, Nanda A: Discharge dispositions, complications, and costs of hospitalization in spinal cord tumor surgery: analysis of data from the United States Nationwide Inpatient Sample, 2003-2010. J Neurosurg Spine 20:125-141, 2014
62. Skinner J, Weinstein JN, Sporer SM, Wennberg JE: Racial, ethnic, and geographic disparities in rates of knee arthroplasty among Medicare patients. N Engl J Med 349:1350-1359, 2003
63. Smith ER, Butler WE, Barker FG II: Craniotomy for resection of pediatric brain tumors in the United States, 1988 to 2000: effects of provider caseloads and progressive centralization and specialization of care. Neurosurgery 54:553-565, 2004
64. Smith ER, Butler WE, Barker FG II: In-hospital mortality rates after ventriculoperitoneal shunt procedures in the United States, 1998 to 2000: relation to hospital and surgeon volume of care. J Neurosurg 100 (2 Suppl Pediatrics):90-97, 2004
65. Steiner C, Elixhauser A, Schnaier J: The healthcare cost and utilization project: an overview. Eff Clin Pract 5:143-151, 2002
66. Taylor BA, Casas-Ganem J, Vaccaro AR, Hilibrand AS, Hanscom BS, Albert TJ: Differences in the work-up and treatment of conditions associated with low back pain by patient gender and ethnic background. Spine (Phila Pa 1976) 30:359-364, 2005
67. Tihan T, Chi JH, McCormick PC, Ames CP, Parsa AT: Pathologic and epidemiologic findings of intramedullary spinal cord tumors. Neurosurg Clin N Am 17:7-11, 2006
68. Tobias ME, McGirt MJ, Chaichana KL, Goldstein IM, Kothbauer KF, Epstein F, et al: Surgical management of long intramedullary spinal cord tumors. Childs Nerv Syst 24:219-223, 2008
69. Woodworth GF, Chaichana KL, McGirt MJ, Sciubba DM, Jallo GI, Gokaslan Z, et al: Predictors of ambulatory function after surgical resection of intramedullary spinal cord tumors. Neurosurgery 61:99-106, 2007
70. Xu Q, Bao W, Mao R: Microsurgery of intramedullary cervical cord tumor. Chin Med J (Engl) 109:756-761, 1996
71. Xu QW, Bao WM, Mao RL, Yang GY: Aggressive surgery for intramedullary tumor of cervical spinal cord. Surg Neurol 46:322-328, 1996
72. Yang S, Yang X, Hong G: Surgical treatment of one hundred seventy-four intramedullary spinal cord tumors. Spine (Phila Pa 1976) 34:2705-2710, 2009