Quality Improvement for Pancreatic Cancer Care: Is Regionalization a Feasible and Effective Mechanism?

Surgical Oncology Clinics of North America

Volumn 19, Issue 2, 2010, Pages 371-390

  Raval, Mehul V ^a   Bilimoria, Karl Y ^a   Talamonti, Mark S ^b  

^a NORTHWESTERN UNIVERSITY   (United States)

^b NORTHSHORE UNIVERSITY HEALTHSYSTEM   (United States)

Author keywords

Pancreatectomy; Pancreatic cancer; Pancreatic surgery; Quality improvement; Regionalization; Volume outcome

Indexed keywords

CANCER CENTER; CANCER MORTALITY; CANCER SURVIVAL; CANCER THERAPY; FEASIBILITY STUDY; HEALTH CARE QUALITY; HOSPITAL BED CAPACITY; HUMAN; INTEGRATED HEALTH CARE SYSTEM; LONG TERM SURVIVAL; PANCREAS CANCER; PANCREAS RESECTION; PATIENT PREFERENCE; PATIENT REFERRAL; PATIENT TRANSPORT; REGIONALIZATION; REVIEW; RISK BENEFIT ANALYSIS; SURGICAL MORTALITY; SURVIVAL TIME; TOTAL QUALITY MANAGEMENT; UNITED STATES;

DELIVERY OF HEALTH CARE; HUMANS; PANCREATIC NEOPLASMS; QUALITY INDICATORS, HEALTH CARE; QUALITY OF HEALTH CARE; REGIONAL HEALTH PLANNING;

EID: 75849160792     PISSN: 10553207     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.soc.2009.11.011     Document Type: Review

References (141)

1. In: Hewitt M., and Simone J.V. (Eds). Ensuring quality cancer care (1999), National Academy Press, Washington, DC Chap 8. p. 211-25
2. McGlynn E.A., Asch S.M., Adams J., et al. The quality of health care delivered to adults in the United States. N Engl J Med 348 26 (2003) 2635-2645
3. Malin J.L., Schneider E.C., Epstein A.M., et al. Results of the national initiative for cancer care quality: how can we improve the quality of cancer care in the United States?. J Clin Oncol 24 4 (2006) 626-634
4. Hollenbeck B.K., Wei Y., and Birkmeyer J.D. Volume, process of care, and operative mortality for cystectomy for bladder cancer. Urology 69 5 (2007) 871-875
5. Birkmeyer J.D., Sun Y., Goldfaden A., et al. Volume and process of care in high-risk cancer surgery. Cancer 106 11 (2006) 2476-2481
6. Begg C.B., Cramer L.D., Hoskins W.J., et al. Impact of hospital volume on operative mortality for major cancer surgery. JAMA 280 20 (1998) 1747-1751
7. Luft H.S., Bunker J.P., and Enthoven A.C. Should operations be regionalized? The empirical relation between surgical volume and mortality. N Engl J Med 301 25 (1979) 1364-1369
8. Birkmeyer J.D., Siewers A.E., Finlayson E.V., et al. Hospital volume and surgical mortality in the United States. N Engl J Med 346 15 (2002) 1128-1137
9. Dimick J.B., Birkmeyer J.D., and Upchurch Jr. G.R. Measuring surgical quality: what's the role of provider volume?. World J Surg 29 10 (2005) 1217-1221
10. Halm E.A., Lee C., and Chassin M.R. Is volume related to outcome in health care? A systematic review and methodologic critique of the literature. Ann Intern Med 137 6 (2002) 511-520
11. Dudley R.A., Johansen K.L., Brand R., et al. Selective referral to high-volume hospitals: estimating potentially avoidable deaths. JAMA 283 9 (2000) 1159-1166
12. Chang R.K., and Klitzner T.S. Can regionalization decrease the number of deaths for children who undergo cardiac surgery? A theoretical analysis. Pediatrics 109 2 (2002) 173-181
13. Bilimoria K.Y., Bentrem D.J., Feinglass J.M., et al. Directing surgical quality improvement initiatives: comparison of perioperative mortality and long-term survival for cancer surgery. J Clin Oncol 26 28 (2008) 4626-4633
14. Liu J.H., Zingmond D.S., McGory M.L., et al. Disparities in the utilization of high-volume hospitals for complex surgery. JAMA 296 16 (2006) 1973-1980
15. Flood A.B., Scott W.R., and Ewy W. Does practice make perfect? Part I: the relation between hospital volume and outcomes for selected diagnostic categories. Med Care 22 2 (1984) 98-114
16. Flood A.B., Scott W.R., and Ewy W. Does practice make perfect? Part II: The relation between volume and outcomes and other hospital characteristics. Med Care 22 2 (1984) 115-125
17. Committee on Quality of Health Care in America. Crossing the quality chasm: a new health system for the 21st century (2001), Institute of Medicine. The National Academies Press, Washington, DC
18. Gruen R.L., Pitt V., Green S., et al. The effect of provider case volume on cancer mortality. CA Cancer J Clin 59 (2009) 192-211
19. Hewitt M., and Petitti D. Interpreting the volume-outcome relationship in the context of cancer care (2001), National Academy Press, Washington, DC
20. Ko C.Y., Maggard M., and Agustin M. Quality in surgery: current issues for the future. World J Surg 29 10 (2005) 1204-1209
21. Hannan E.L., Radzyner M., Rubin D., et al. The influence of hospital and surgeon volume on in-hospital mortality for colectomy, gastrectomy, and lung lobectomy in patients with cancer. Surgery 131 1 (2002) 6-15
22. Simons A.J., Ker R., Groshen S., et al. Variations in treatment of rectal cancer: the influence of hospital type and caseload. Dis Colon Rectum 40 6 (1997) 641-646
23. Yao S.L., and Lu-Yao G. Population-based study of relationships between hospital volume of prostatectomies, patient outcomes, and length of hospital stay. J Natl Cancer Inst 91 22 (1999) 1950-1956
24. Hannan E.L., Kilburn Jr. H., O'Donnell J.F., et al. Adult open heart surgery in New York state. An analysis of risk factors and hospital mortality rates. JAMA 264 21 (1990) 2768-2774
25. Cheung M.C., Hamilton K., Sherman R., et al. Impact of teaching facility status and high-volume centers on outcomes for lung cancer resection: an examination of 13,469 surgical patients. Ann Surg Oncol 16 1 (2009) 3-13
26. Patti M.G., Corvera C.U., Glasgow R.E., et al. A hospital's annual rate of esophagectomy influences the operative mortality rate. J Gastrointest Surg 2 2 (1998) 186-192
27. Gordon T.A., Bowman H.M., Bass E.B., et al. Complex gastrointestinal surgery: impact of provider experience on clinical and economic outcomes. J Am Coll Surg 189 1 (1999) 46-56
28. Fong Y., Gonen M., Rubin D., et al. Long-term survival is superior after resection for cancer in high-volume centers. Ann Surg 242 4 (2005) 540-544 [discussion: 544-7]
29. Birkmeyer J.D., Finlayson S.R., Tosteson A.N., et al. Effect of hospital volume on in-hospital mortality with pancreaticoduodenectomy. Surgery 125 3 (1999) 250-256
30. Simunovic M., To T., Theriault M., et al. Relation between hospital surgical volume and outcome for pancreatic resection for neoplasm in a publicly funded health care system. CMAJ 160 5 (1999) 643-648
31. Andren-Sandberg A., and Neoptolemos J.P. Resection for pancreatic cancer in the new millennium. Pancreatology 2 5 (2002) 431-439
32. Ujiki M.B., and Talamonti M.S. Guidelines for the surgical management of pancreatic adenocarcinoma. Semin Oncol 34 4 (2007) 311-320
33. Spanknebel K., and Conlon K.C. Advances in the surgical management of pancreatic cancer. Cancer J 7 4 (2001) 312-323
34. Sosa J.A., Bowman H.M., Gordon T.A., et al. Importance of hospital volume in the overall management of pancreatic cancer. Ann Surg 228 3 (1998) 429-438
35. Halloran C.M., Ghaneh P., Bosonnet L., et al. Complications of pancreatic cancer resection. Dig Surg 19 2 (2002) 138-146
36. Gouma D.J., van Geenen R.C., van Gulik T.M., et al. Rates of complications and death after pancreaticoduodenectomy: risk factors and the impact of hospital volume. Ann Surg 232 6 (Dec 2000) 786-795
37. Kingsnorth A.N. Major HPB procedures must be undertaken in high volume quaternary centres?. HPB Surg 11 5 (2000) 359-361
38. Hillner B.E., and Smith T.J. Hospital volume and patient outcomes in major cancer surgery: a catalyst for quality assessment and concentration of cancer services. JAMA 280 20 (1998) 1783-1784
39. Birkmeyer N.J., and Birkmeyer J.D. Strategies for improving surgical quality-should payers reward excellence or effort?. N Engl J Med 354 8 (2006) 864-870
40. The Leapfrog Group Purchasing Principles. Available at:. http://www.leapfroggroup.org/for_members/purchasing_principles Accessed January 7, 2009
41. Center for Medical Consumers. Available at:. http://www.medicalconsumers.org/#Main_Index Accessed January 9, 2009
42. Bunker J.P., Luft H.S., and Enthoven A. Should surgery be regionalized?. Surg Clin North Am 62 4 (1982) 657-668
43. Birkmeyer J.D. High-risk surgery-follow the crowd. JAMA 283 9 (2000) 1191-1193
44. Epstein A.M. Volume and outcome-it is time to move ahead. N Engl J Med 346 15 (2002) 1161-1164
45. Finlayson S.R. The volume-outcome debate revisited. Am Surg 72 11 (2006) 1038-1042 [discussion: 1061-9, 1133-48]
46. Riall T.S., Nealon W.H., Goodwin J.S., et al. Outcomes following pancreatic resection: variability among high-volume providers. Surgery 144 2 (2008) 133-140
47. Khuri S.F. Invited commentary: Surgeons, not General Motors, should set standards for surgical care. Surgery 130 3 (2001) 429-431
48. Daley J. Invited commentary: quality of care and the volume-outcome relationship-what's next for surgery?. Surgery 131 1 (2002) 16-18
49. Grumbach K., Anderson G.M., Luft H.S., et al. Regionalization of cardiac surgery in the United States and Canada. Geographic access, choice, and outcomes. JAMA 274 16 (1995) 1282-1288
50. Sollano J.A., Gelijns A.C., Moskowitz A.J., et al. Volume-outcome relationships in cardiovascular operations: New York State, 1990-1995. J Thorac Cardiovasc Surg 117 3 (1999) 419-428 [discussion: 428-30]
51. Lieberman M.D., Kilburn H., Lindsey M., et al. Relation of perioperative deaths to hospital volume among patients undergoing pancreatic resection for malignancy. Ann Surg 222 5 (1995) 638-645
52. Riall T.S., Eschbach K.A., Townsend Jr. C.M., et al. Trends and disparities in regionalization of pancreatic resection. J Gastrointest Surg 11 10 (2007) 1242-1251 [discussion: 1251-2]
53. Glasgow R.E., and Mulvihill S.J. Hospital volume influences outcome in patients undergoing pancreatic resection for cancer. West J Med 165 5 (1996) 294-300
54. van Heek N.T., Kuhlmann K.F., Scholten R.J., et al. Hospital volume and mortality after pancreatic resection: a systematic review and an evaluation of intervention in the Netherlands. Ann Surg 242 6 (2005) 781-788 [discussion: 788-90]
55. Topal B., Van de Sande S., Fieuws S., et al. Effect of centralization of pancreaticoduodenectomy on nationwide hospital mortality and length of stay. Br J Surg 94 11 (2007) 1377-1381
56. Balzano G., Zerbi A., Capretti G., et al. Effect of hospital volume on outcome of pancreaticoduodenectomy in Italy. Br J Surg 95 3 (2008) 357-362
57. McPhee J.T., Hill J.S., Whalen G.F., et al. Perioperative mortality for pancreatectomy: a national perspective. Ann Surg 246 2 (2007) 246-253
58. Sohn T.A., Yeo C.J., Cameron J.L., et al. Resected adenocarcinoma of the pancreas-616 patients: results, outcomes, and prognostic indicators. J Gastrointest Surg 4 6 (2000) 567-579
59. Birkmeyer J.D., Warshaw A.L., Finlayson S.R., et al. Relationship between hospital volume and late survival after pancreaticoduodenectomy. Surgery 126 2 (1999) 178-183
60. Traverso L.W., Shinchi H., and Low D.E. Useful benchmarks to evaluate outcomes after esophagectomy and pancreaticoduodenectomy. Am J Surg 187 5 (2004) 604-608
61. Dimick J.B., Pronovost P.J., Cowan Jr. J.A., et al. Variation in postoperative complication rates after high-risk surgery in the United States. Surgery 134 4 (2003) 534-540 [discussion: 540-1]
62. Yeo C.J., Cameron J.L., Sohn T.A., et al. Six hundred fifty consecutive pancreaticoduodenectomies in the 1990s: pathology, complications, and outcomes. Ann Surg 226 3 (Sep 1997) 248-257 [discussion: 257-60]
63. Lee J.H., Whittington R., Williams N.N., et al. Outcome of pancreaticoduodenectomy and impact of adjuvant therapy for ampullary carcinomas. Int J Radiat Oncol Biol Phys 47 4 (2000) 945-953
64. Bilimoria K.Y., Bentrem D.J., Ko C.Y., et al. Multimodality therapy for pancreatic cancer in the U.S.: utilization, outcomes, and the effect of hospital volume. Cancer 110 6 (2007) 1227-1234
65. Bilimoria K.Y., Talamonti M.S., Sener S.F., et al. Effect of hospital volume on margin status after pancreaticoduodenectomy for cancer. J Am Coll Surg 207 4 (2008) 510-519
66. Yeo C.J., Cameron J.L., Lillemoe K.D., et al. Pancreaticoduodenectomy with or without distal gastrectomy and extended retroperitoneal lymphadenectomy for periampullary adenocarcinoma, part 2: randomized controlled trial evaluating survival, morbidity, and mortality. Ann Surg 236 3 (2002) 355-366 [discussion: 366-8]
67. Bilimoria K.Y., Talamonti M.S., Wayne J.D., et al. Effect of hospital type and volume on lymph node evaluation for gastric and pancreatic cancer. Arch Surg 143 7 (2008) 671-678 [discussion: 678]
68. Bilimoria K.Y., Bentrem D.J., Ko C.Y., et al. Validation of the 6th edition AJCC pancreatic cancer staging system: report from the national cancer database. Cancer 110 4 (2007) 738-744
69. Bilimoria K.Y., Bentrem D.J., Ko C.Y., et al. National failure to operate on early stage pancreatic cancer. Ann Surg 246 2 (2007) 173-180
70. Dimick J.B., Staiger D.O., and Birkmeyer J.D. Are mortality rates for different operations related?: implications for measuring the quality of noncardiac surgery. Med Care 44 8 (2006) 774-778
71. Urbach D.R., and Baxter N.N. Does it matter what a hospital is "high volume" for? Specificity of hospital volume-outcome associations for surgical procedures: analysis of administrative data. BMJ 328 7442 (2004) 737-740
72. Csikesz N.G., Simons J.P., Tseng J.F., et al. Surgical specialization and operative mortality in hepato-pancreatico-biliary (HPB) surgery. J Gastrointest Surg 12 9 (2008) 1534-1539
73. Birkmeyer J.D., Dimick J.B., and Staiger D.O. Operative mortality and procedure volume as predictors of subsequent hospital performance. Ann Surg 243 3 (2006) 411-417
74. Joseph B., Morton J.M., Hernandez-Boussard T., et al. Relationship between hospital volume, system clinical resources, and mortality in pancreatic resection. J Am Coll Surg 208 4 (2009) 520-527
75. Marandola M., Cilli T., Alessandri F., et al. Perioperative management in patients undergoing pancreatic surgery: the anesthesiologist's point of view. Transplant Proc 40 4 (2008) 1195-1199
76. Hartz A.J., Krakauer H., Kuhn E.M., et al. Hospital characteristics and mortality rates. N Engl J Med 321 25 (1989) 1720-1725
77. Fuchs R.J., Berenholtz S.M., and Dorman T. Do intensivists in ICU improve outcome?. Best Pract Res Clin Anaesthesiol 19 1 (2005) 125-135
78. Sampliner J.E. Postoperative care of the pancreatic surgical patient: the role of the intensivist. Surg Clin North Am 81 3 (2001) 637-645
79. Young M.P., and Birkmeyer J.D. Potential reduction in mortality rates using an intensivist model to manage intensive care units. Eff Clin Pract 3 6 (2000) 284-289
80. Pronovost P.J., Needham D.M., Waters H., et al. Intensive care unit physician staffing: financial modeling of the Leapfrog standard. Crit Care Med 34 Suppl 3 (2006) S18-S24
81. Aiken L.H., Clarke S.P., Cheung R.B., et al. Educational levels of hospital nurses and surgical patient mortality. JAMA 290 12 (2003) 1617-1623
82. Bellomo R., Goldsmith D., Uchino S., et al. Prospective controlled trial of effect of medical emergency team on postoperative morbidity and mortality rates. Crit Care Med 32 4 (2004) 916-921
83. Aiken L.H., Clarke S.P., Sloane D.M., et al. Hospital nurse staffing and patient mortality, nurse burnout, and job dissatisfaction. JAMA 288 16 (2002) 1987-1993
84. Coleman J. Supportive management of the patient with pancreatic cancer: role of the oncology nurse. Oncology (Williston Park) 10 Suppl 9 (1996) 23-25
85. Luchette F., Kelly B., Davis K., et al. Impact of the in-house trauma surgeon on initial patient care, outcome, and cost. J Trauma 42 3 (1997) 490-495 [discussion: 495-7]
86. Earley A.S., Pryor J.P., Kim P.K., et al. An acute care surgery model improves outcomes in patients with appendicitis. Ann Surg 244 4 (2006) 498-504
87. Balcom IV J.H., Rattner D.W., Warshaw A.L., et al. Ten-year experience with 733 pancreatic resections: changing indications, older patients, and decreasing length of hospitalization. Arch Surg 136 4 (2001) 391-398
88. Fernandez-del Castillo C., Rattner D.W., and Warshaw A.L. Standards for pancreatic resection in the 1990s. Arch Surg 130 3 (1995) 295-299 [discussion: 299-300]
89. Sohn T.A., Yeo C.J., Cameron J.L., et al. Pancreaticoduodenectomy: role of interventional radiologists in managing patients and complications. J Gastrointest Surg 7 2 (2003) 209-219
90. Rafique A., Freeman S., and Carroll N. A clinical algorithm for the assessment of pancreatic lesions: utilization of 16- and 64-section multidetector CT and endoscopic ultrasound. Clin Radiol 62 12 (2007) 1142-1153
91. Kozarek R.A., Ball T.J., Patterson D.J., et al. Transpapillary stenting for pancreaticocutaneous fistulas. J Gastrointest Surg 1 4 (1997) 357-361
92. Matos C., Nicaise N., Metens T., et al. Secretin-enhanced MR pancreatography. Semin Ultrasound CT MR 20 5 (1999) 340-351
93. Akisik M.F., Sandrasegaran K., Aisen A.A., et al. Dynamic secretin-enhanced MR cholangiopancreatography. Radiographics 26 3 (2006) 665-677
94. Matos C., Metens T., Deviere J., et al. Pancreatic duct: morphologic and functional evaluation with dynamic MR pancreatography after secretin stimulation. Radiology 203 2 (1997) 435-441
95. Le Moine O., Matos C., Closset J., et al. Endoscopic management of pancreatic fistula after pancreatic and other abdominal surgery. Best Pract Res Clin Gastroenterol 18 5 (2004) 957-975
96. Andren-Sandberg A., and Ihse I. Factors influencing survival after total pancreatectomy in patients with pancreatic cancer. Ann Surg 198 5 (1983) 605-610
97. Birkmeyer J.D., Stukel T.A., Siewers A.E., et al. Surgeon volume and operative mortality in the United States. N Engl J Med 349 22 (2003) 2117-2127
98. Chowdhury M.M., Dagash H., and Pierro A. A systematic review of the impact of volume of surgery and specialization on patient outcome. Br J Surg 94 2 (2007) 145-161
99. Edge S.B., Schmieg Jr. R.E., Rosenlof L.K., et al. Pancreas cancer resection outcome in American University centers in 1989-1990. Cancer 71 11 (1993) 3502-3508
100. Waljee J.F., Greenfield L.J., Dimick J.B., et al. Surgeon age and operative mortality in the United States. Ann Surg 244 3 (2006) 353-362
101. Stevermer J.J., Supattanasiri G.J., and Williamson Jr. H. A survey of general surgeons in rural Missouri: potential for rapid decrease in work force. J Rural Health 17 1 (2001) 59-62
102. Helling T.S., and Khandelwal A. The challenges of resident training in complex hepatic, pancreatic, and biliary procedures. J Gastrointest Surg 12 1 (2008) 153-158
103. Gordon T.A., Bowman H.M., Tielsch J.M., et al. Statewide regionalization of pancreaticoduodenectomy and its effect on in-hospital mortality. Ann Surg 228 1 (1998) 71-78
104. Nordback L., Parviainen M., Raty S., et al. Resection of the head of the pancreas in Finland: effects of hospital and surgeon on short-term and long-term results. Scand J Gastroenterol 37 12 (2002) 1454-1460
105. Neoptolemos J.P., Russell R.C., Bramhall S., et al. Low mortality following resection for pancreatic and periampullary tumours in 1026 patients: UK survey of specialist pancreatic units. UK Pancreatic Cancer Group. Br J Surg 84 10 (1997) 1370-1376
106. Vernooij F., Heintz A.P., Witteveen P.O., et al. Specialized care and survival of ovarian cancer patients in The Netherlands: nationwide cohort study. J Natl Cancer Inst 100 6 (2008) 399-406
107. Zeitlin J., Papiernik E., and Breart G. Regionalization of perinatal care in Europe. Semin Neonatol 9 2 (2004) 99-110
108. Birkmeyer J.D., and Dimick J.B. Potential benefits of the new Leapfrog standards: effect of process and outcomes measures. Surgery 135 6 (2004) 569-575
109. The Leapfrog Group. Evidence-based hospital referral. Available at:. http://www.leapfroggroup.org/media/file/Leapfrog-Evidence-Based_Hospital_Referral_Fact_Sheet.pdf Accessed January 30, 2009
110. Dimick J.B., Finlayson S.R., and Birkmeyer J.D. Regional availability of high-volume hospitals for major surgery. Health Aff (Millwood) Suppl Web Exclusives (2004) VAR45-VAR53
111. Birkmeyer J.D., Siewers A.E., Marth N.J., et al. Regionalization of high-risk surgery and implications for patient travel times. JAMA 290 20 (2003) 2703-2708
112. Hollenbeck B.K., Dunn R.L., Miller D.C., et al. Volume-based referral for cancer surgery: informing the debate. J Clin Oncol 25 1 (2007) 91-96
113. Bilimoria K.Y., Ko C.Y., Tomlinson J.S., et al. Wait times for cancer surgery: implications of increasing surgical case volume in the United States. JManuscript pending (2009)
114. Kianmanesh R., O'Toole D., Sauvanet A., et al. Surgical treatment of gastric, enteric, and pancreatic endocrine tumors Part 1. Treatment of primary endocrine tumors. J Chir (Paris) 142 3 (2005) 132-149 [in French]
115. Azimuddin K., and Chamberlain R.S. The surgical management of pancreatic neuroendocrine tumors. Surg Clin North Am 81 3 (2001) 511-525
116. McFadden D.W., and Reber H.A. Cancer of the pancreas: radical resection-supporting view. Adv Surg 27 (1994) 257-272
117. Gray R.E., Fitch M.I., Phillips C., et al. Presurgery experiences of prostate cancer patients and their spouses. Cancer Pract 7 3 (1999) 130-135
118. Jones R.V., and Greenwood B. Breast cancer: causes of patients' distress identified by qualitative analysis. Br J Gen Pract 44 385 (1994) 370-371
119. Rapoport Y., Kreitler S., Chaitchik S., et al. Psychosocial problems in head-and-neck cancer patients and their change with time since diagnosis. Ann Oncol 4 1 (1993) 69-73
120. Meguid R.A., Ahuja N., and Chang D.C. What constitutes a "high-volume" hospital for pancreatic resection?. J Am Coll Surg 206 4 (2008) 622 e621-9
121. Bentrem D.J., and Brennan M.F. Outcomes in oncologic surgery: does volume make a difference?. World J Surg 29 10 (2005) 1210-1216
122. Chappel A.R., Zuckerman R.S., and Finlayson S.R. Small rural hospitals and high-risk operations: how would regionalization affect surgical volume and hospital revenue?. J Am Coll Surg 203 5 (2006) 599-604
123. Dimick J.B., and Finlayson S.R. Rural hospitals and volume standards in surgery. Surgery 140 3 (2006) 367-371
124. McGuirk M.A., and Porell F.W. Spatial patterns of hospital utilization: the impact of distance and time. Inquiry 21 1 (1984) 84-95
125. Goodman D.C., Fisher E., Stukel T.A., et al. The distance to community medical care and the likelihood of hospitalization: is closer always better?. Am J Public Health 87 7 (1997) 1144-1150
126. Finlayson S.R., Birkmeyer J.D., Tosteson A.N., et al. Patient preferences for location of care: implications for regionalization. Med Care 37 2 (1999) 204-209
127. Christian C.K., Gustafson M.L., Betensky R.A., et al. The Leapfrog volume criteria may fall short in identifying high-quality surgical centers. Ann Surg 238 4 (2003) 447-455 [discussion: 455-7]
128. Afsari A., Zhandoug Z., Young S., et al. Outcome analysis of pancreaticoduodenectomy at a community hospital. Am Surg 68 3 (2002) 281-284 [discussion: 284-5]
129. Hoshal Jr. V.L., Benedict M.B., David L.R., et al. Personal experience with the Whipple operation: outcomes and lessons learned. Am Surg 70 2 (2004) 121-125 [discussion: 126]
130. Falk J., Keidan R., Rigo P.K., et al. Adenocarcinoma of the pancreatic head: a community teaching hospital's experience from 1982 to 1992. Am Surg 65 1 (1999) 15-18
131. Averbach A., Akbarov A., Sidel T., et al. Results of curative therapy for esophageal cancer in a community training hospital. Int Surg 87 1 (2002) 31-37
132. Centers for Medicare & Medicaid Services - Certification and Compliance. Transplant. Available at:. http://www.cms.hhs.gov/CertificationandComplianc/20_Transplant.asp Accessed February 2, 2009
133. Birkmeyer J.D., and Dimick J.B. Understanding and reducing variation in surgical mortality. Annu Rev Med 60 (2009) 405-415
134. Landsberger H.A. Hawthorne revisited (1958), Cornell University, Ithaca (NY)
135. American college of surgeons national surgical quality improvement program. Available at:. https://acsnsqip.org/login/default.aspx Accessed January 25, 2009
136. Michigan Surgical Quality Collaborative. Available at:. https://www.msqc.org/Public/index.aspx Accessed February 16, 2009
137. Tennessee Hospital Association - NSQIP Grant. Available at:. http://oversight.house.gov/documents/20080919142826.pdf Accessed March 5, 2009
138. Raval M.V., Bilimoria K.Y., Stewart A., et al. Using the NCDB for cancer care improvement: an introduction to available quality assessment tools. J Surg Oncol 99 8 (2009) 488-490
139. Donabedian A. The definition of quality and approaches to its assessment (1980), Health Administration Press, Ann Arbor (MI)
140. Surgical care improvement project core measure set. Available at:. http://www.jointcommission.org/PerformanceMeasurement/PerformanceMeasurement/SCIP+Core+Measure:Set.htm Accessed January 26, 2009
141. Bilimoria K.Y., Bentrem D.J., Lillemoe K.D., et al. National assessment of pancreatic cancer care based on formally developed quality indicators. J Natl Cancer Inst 101 12 (2009) 848-859