Minimally invasive: Minimally reimbursed? An examination of six laparoscopic surgical procedures

Surgical Innovation

Volumn 12, Issue 3, 2005, Pages 261-287

  Roumm, Adam R ^a   Pizzi, Laura ^a,b   Goldfarb, Neil I ^a   Cohn, Herbert ^a  

^a THOMAS JEFFERSON UNIVERSITY   (United States)

^b THOMAS JEFFERSON UNIVERSITY   (United States)

Author keywords

Minimally invasive surgery; Open procedures; Reimbursement

Indexed keywords

ABDOMINAL WALL HERNIA; APPENDECTOMY; CHOLECYSTECTOMY; COLON RESECTION; HEALTH CARE POLICY; HERNIOPLASTY; HOSPITAL COST; HUMAN; HYSTERECTOMY; LAPAROSCOPIC SURGERY; LENGTH OF STAY; MEDICARE; MINIMALLY INVASIVE SURGERY; OPERATION DURATION; OUTCOMES RESEARCH; POSTOPERATIVE PAIN; REIMBURSEMENT; REVIEW; STOMACH FUNDOPLICATION; SURGEON; SURGICAL TECHNIQUE; UNITED STATES; WORK RESUMPTION;

APPENDECTOMY; CHOLECYSTECTOMY, LAPAROSCOPIC; COLONOSCOPY; COST SAVINGS; COST-BENEFIT ANALYSIS; FEMALE; FUNDOPLICATION; HEALTH CARE SURVEYS; HERNIA, ABDOMINAL; HOSPITAL CHARGES; HUMANS; HYSTEROSCOPY; INSURANCE, HEALTH, REIMBURSEMENT; LAPAROSCOPY; MALE; SENSITIVITY AND SPECIFICITY; SURGICAL PROCEDURES, MINIMALLY INVASIVE; UNITED STATES;

EID: 27744470418     PISSN: 15533506     EISSN: None     Source Type: Journal    
DOI: 10.1177/155335060501200313     Document Type: Review

References (135)

1. Ribeiro SC, Ribeiro RM, Santos NC, et al: A randomized study of total abdominal, vaginal and laparoscopic hysterectomy. Int J Gynaecol Obstet 83:37-43, 2003.
2. Brown E: Minimally invasive surgery: a payer's point of view. Physician Exec 19:60-61, 1993.
3. Moran ME, Abrahams HM, Kim DH: Laparoscopic radical nephrectomy: Financial disincentives by the Health Care Financing Administration. J Endourol 17:133-135, 2003.
4. 5 National fee analyzer. Ingenix, Inc., 2004.
5. West S, King V, Carey TS, et al: Systems to rate the strength of scientific evidence. 47, AHRQ Publication No. 02-E016. Rockville, MD, Agency for Healthcare Research and Quality. Evidence Report/Technology Assessment, 2002.
6. Shojania KG, Duncan BW, McDonald KM, et al (eds): Chapter 3: Evidence-based review methodology in making health care safer: A critical analysis of patient safety practices. 43, AHRQ Publication No. 01-E058. Rockville, MD, Agency for Healthcare Research and Quality. Evidence Report/Technology Assessment, 2001.
7. National Center for Health Statistics. Available: http://www.cdc.gov/nchs/data/series/sr_13/sr13_56.pdf Accessed October 25, 2004.
8. Dubois F, Icard P, Berthelot G, et al: Celioscopic cholecystectomy: preliminary report of 36 cases. Ann Surg 211:60-62, 1990.
9. National Institutes of Health Consensus Development Conference statement on gallstones and laparoscopic cholecystectomy. Am J Surg 165:390-398, 1993.
10. Vanek VW, Bourguet CC: The cost of laparoscopic versus open cholecystectomy in a community hospital. Surg Endosc 9:314-323, 1995.
11. Bosch F, Wehrman U, Saeger HD, et al: Laparoscopic or open conventional cholecystectomy: clinical and economic considerations. Eur J Surg 168:270-277, 2002.
12. Wenner J, Graffner H, Lindell G: A financial analysis of laparoscopic and open cholecystectomy. Surg Endosc 9:702-705, 1995.
13. Stoker ME, Vose J, O'Mara P, et al: Laparoscopic cholecystectomy. A clinical and financial analysis of 280 operations. Arch Surg 127:589-594, 1992.
14. Stevens HP, van de BM, Ruseler CH, et al: Clinical and financial aspects of cholecystectomy: laparoscopic versus open technique. World J Surg 21:91-96, 1997.
15. Hardy KJ, Miller H, Fletcher DR, et al: An evaluation of laparoscopic versus open cholecystectomy. Med J Aust 160:58-62, 1994.
16. Grace PA, Quereshi A, Coleman J, et al: Reduced postoperative hospitalization after laparoscopic cholecystectomy. Br J Surg 78:160-162, 1991.
17. Go PM, Stolk MF, Obertop H, et al: Symptomatic gallbladder stones: cost-effectiveness of treatment with extracorporeal shock-wave lithotripsy, conventional and laparoscopic cholecystectomy. Surg Endosc 9:37-41, 1995.
18. Fullarton GM, Darling K, Williams J, et al: Evaluation of the cost of laparoscopic and open cholecystectomy. Br J Surg 81:124-126, 1994.
19. de Pouvourville G, Ribet-Reinhart N, Fendrick M, et al: A prospective comparison of costs and morbidity of laparoscopic versus open cholecystectomy. Hepatogastroenterology 44:35-39, 1997.
20. Cagir B, Rangraj M, Maffuci L, et al: A retrospective analysis of laparoscopic and open cholecystectomies. J Laparoendosc Surg 4:89-100, 1994.
21. Kesteloot K, Penninckx F: The costs and effects of open versus laparoscopic cholecystectomies. Health Econ 2:303-312, 1993.
22. Fisher KS, Reddick EJ, Olsen DO: Laparoscopic cholecystectomy: cost analysis. Surg Laparosc Endosc 1:77-81, 1991.
23. Sitter H, Lill H, Klotter H-J: Cost analysis for the comparison of a conventional with a minimally invasive surgical procedure. Minimal Invasive Chirurgie 1:156-157, 1992.
24. Phillips EH, Franklin M, Carroll BJ, et al: Laparoscopic colectomy. Ann Surg 216:703-707, 1992.
25. Dwivedi A, Chahin F, Agrawal S, et al: Laparoscopic colectomy vs open colectomy for sigmoid diverticular disease. Dis Colon Rectum 45:1309-1314, 2002.
26. Liberman MA, Phillips EH, Carroll BJ, et al: Laparoscopic colectomy vs traditional colectomy for diverticulitis: Outcome and costs. Surg Endosc 10:15-18, 1996.
27. Hoffman GC, Baker JW, Fitchett CW, et al: Laparoscopic-assisted colectomy: Initial experience. Ann Surg 219:732-740, 1994.
28. Chen HH, Wexner SD, Weiss EG, et al: Laparoscopic colectomy for benign colorectal disease is associated with a significant reduction in disability as compared with laparotomy. Surg Endosc 12:1397-1400, 1998.
29. Kohler L, Rixen D, Troidl H: Laparoscopic colorectal resection for diverticulitis. Int J Colorectal Dis 13:43-47, 1998.
30. Ramos JM, Beart RW Jr, Goes R, et al: Role of laparoscopy in colorectal surgery: a prospective evaluation of 200 cases. Dis Colon Rectum 38:494-501, 1995.
31. The Clinical Outcomes of Surgical Therapy Study Group: A comparison of laparoscopically assisted and open colectomy for colon cancer. N Engl J Med 350:2050-2059, 2004.
32. Lawrence DM, Pasquale MD, Wasser TE: Laparoscopic versus open sigmoid colectomy for diverticulitis. Am Surg 69:499-503, 2003.
33. Guller U, Jain N, Hervey S, et al: Laparoscopic vs open colectomy: outcomes comparison based on large nationwide databases. Arch Surg 138:1179-1186, 2003.
34. Delaney CP, Kiran RP, Senagore AJ, et al: Case-matched comparison of clinical and financial outcome after laparoscopic or open colorectal surgery. Ann Surg 238:67-72, 2003.
35. Philipson BM, Bokey EL, Moore JW, et al: Cost of open versus laparoscopically assisted right hemicolectomy for cancer. World J Surg 21:214-217, 1997.
36. Bokey EL, Moore JW, Chapuis PH, et al: Morbidity and mortality following laparoscopic-assisted right hemicolectomy for cancer. Dis Colon Rectum 39(10 Suppl):S24-S28, 1996.
37. Joo JS, Amarnath L, Wexner SD: Is laparoscopic resection of colorectal polyps beneficial? Surg Endosc 12:1341-1344, 1998.
38. Pfeifer J, Wexner SD, Reissman P, et al: Laparoscopic vs open colon surgery: costs and outcome. Surg Endosc 9:1322-1326, 1995.
39. Bergamaschi R, Arnaud JP: Immediately recognizable benefits and drawbacks after laparoscopic colon resection for benign disease. Surg Endosc 11:802-804, 1997.
40. Young-Fadok TM, Hall Long K, McConnell EJ, et al: Advantages of laparoscopic resection for ileocolic Crohn's disease: improved outcomes and reduced costs. Surg Endosc 15:450-454, 2001.
41. Senagore AJ, Luchtefeld MA, Mackeigan JM, et al: Open colectomy versus laparoscopic colectomy: are there differences? Am Surg 59:549-553, 1993.
42. Senagore AJ, Duepree HJ, Delaney CP, et al: Cost structure of laparoscopic and open sigmoid colectomy for diverticular disease: similarities and differences. Dis Colon Rectum 45:485-490, 2002.
43. Duepree HJ, Senagore AJ, Delaney CP, et al: Advantages of laparoscopic resection for ileocecal Crohn's disease. Dis Colon Rectum 45:605-610, 2002.
44. Senagore AJ, Madbouly KM, Fazio VW, et al: Advantages of laparoscopic colectomy in older patients. Arch Surg 138:252-256, 2003.
45. Law WL, Chu KW, Tung PH: Laparoscopic colorectal resection: a safe option for elderly patients. J Am Coll Surg 195:768-773, 2002.
46. Tuech JJ, Pessaux P, Rouge C, et al: Laparoscopic vs open colectomy for sigmoid diverticulitis: a prospective comparative study in the elderly. Surg Endosc 14:1031-1033, 2000.
47. Sklow B, Read T, Birnbaum E, et al: Age and type of procedure influence the choice of patients for laparoscopic colectomy. Surg Endosc 17:923-929, 2003.
48. Tate JJ, Kwok S, Dawson JW, et al: Prospective comparison of laparoscopic and conventional anterior resection. Br J Surg 80:1396-1398, 1993.
49. Peters WR, Bartels TL: Minimally invasive colectomy: are the potential benefits realized? Dis Colon Rectum 36:751-756, 1993.
50. Musser DJ, Boorse RC, Madera F, et al. Laparoscopic colectomy: at what cost? Surg Laparosc Endosc 4:1-5, 1994.
51. Van Ye TM, Cattey RP, Henry LG: Laparoscopically assisted colon resections compare favorably with open technique. Surg Laparosc Endosc 4:25-31, 1994.
52. Trus TL, Hunter JG: Minimally invasive surgery of the esophagus and stomach. Am J Surg 173:242-255, 1997.
53. Papasavas PK, Keenan RJ, Yeaney WW, et al: Effectiveness of laparoscopic fundoplication in relieving the symptoms of gastroesophageal reflux disease (GERD) and eliminating antireflux medical therapy. Surg Endosc 17:1200-1205, 2003.
54. Collins JB III, Georgeson KE, Vicente Y, et al: Comparison of open and laparoscopic gastrostomy and fundoplication in 120 patients. J Pediatr Surg 30:1065-1070, 1995.
55. Rothenberg SS: Laparoscopic Nissen procedure in children. Semin Laparosc Surg 9:146-152, 2002.
56. Tan S, Wulkan ML: Minimally invasive surgical techniques in reoperative surgery for gastroesophageal reflux disease in infants and children. Am Surg 68:989-992, 2002.
57. Eshraghi N, Farahmand M, Soot SJ, et al: Comparison of outcomes of open versus laparoscopic Nissen fundoplication performed in a single practice. Am J Surg 175:371-374, 1998.
58. Laine S, Rantala A, Gullichsen R, et al: Laparoscopic vs conventional Nissen fundoplication: a prospective randomized study. Surg Endosc 11:441-444, 1997.
59. Rattner DW, Brooks DC: Patient satisfaction following laparoscopic and open antireflux surgery. Arch Surg 130:289-293, 1995.
60. Blomqvist A, Lonroth H, Dalenback J, et al: Quality of life assessment after laparoscopic and open fundoplications: results of a prospective, clinical study. Scand J Gastroenterol 31:1052-1058, 1996.
61. Heikkinen TJ, Haukipuro K, Koivukangas P, et al: Comparison of costs between laparoscopic and open Nissen fundoplication: a prospective randomized study with a 3-month followup. J Am Coll Surg 188:368-376, 1999.
62. Coster DD, Bower WH, Wilson VT, et al: Laparoscopic Nissen fundoplication: a curative, safe, and cost-effective procedure for complicated gastroesophageal reflux disease. Surg Laparosc Endosc 5:111-117, 1995.
63. Center for Disease Control and Prevention: "Hysterectomy Surveillance - United States 1994-1999" Available: http://www.cdc.gov/mmwr/preview/mmwr html/ss5105a1.htm. Accessed April 28, 2005.
64. Reich H, Ribeiro SC, Vidali A: Hysterectomy as treatment for dysfunctional uterine bleeding. Baillieres Best Pract Res Clin Obstet Gynaecol 13:251-269, 1999.
65. Shwayder JM: Laparoscopically assisted vaginal hysterectomy. Obstet Gynecol Clin North Am 26:169-187, 1999.
66. Kovac SR: Guidelines to determine the role of laparoscopically assisted vaginal hysterectomy. Am J Obstet Gynecol 178:1257-1263, 1998.
67. Campbell ES, Xiao H, Smith MK: Types of hysterectomy: comparison of characteristics, hospital costs, utilization and outcomes. J Reprod Med 48:943-949, 2003.
68. Garry R, Fountain J, Mason S, et al: The eVALuate study: two parallel randomised trials, one comparing laparoscopic with abdominal hysterectomy, the other comparing laparoscopic with vaginal hysterectomy. BMJ 328:129, 2004.
69. Lenihan JP Jr., Kovanda C, Cammarano C: Comparison of laparoscopic-assisted vaginal hysterectomy with traditional hysterectomy for cost-effectiveness to employers. Am J Obstet Gynecol 190:1714-1720, 2004.
70. Dorsey JH, Holtz PM, Griffiths RI, et al: Costs and charges associated with three alternative techniques of hysterectomy. N Engl J Med 335:476-482, 1996.
71. Sculpher M, Manca A, Abbott J, et al: Cost effectiveness analysis of laparoscopic hysterectomy compared with standard hysterectomy: results from a randomised trial. BMJ 328:134, 2004.
72. Weber AM, Lee JC: Use of alternative techniques of hysterectomy in Ohio, 1988-1994. N Engl J Med 335:483-489, 1996.
73. van den Eeden SK, Glasser M, Mathias SD, et al: Quality of life, health care utilization, and costs among women undergoing hysterectomy in a managed-care setting. Am J Obstet Gynecol 178(1 Pt 1):91-100, 1998.
74. Boike GM, Elfstrand EP, DelPriore G, et al: Laparoscopically assisted vaginal hysterectomy in a university hospital: report of 82 cases and comparison with abdominal and vaginal hysterectomy. Am J Obstet Gynecol 168 (6 Pt 1): 1690-1697, 1993.
75. Nezhat C, Bess O, Admon D, et al: Hospital cost comparison between abdominal, vaginal, and laparoscopy-assisted vaginal hysterectomies. Obstet Gynecol 83(5 Pt 1):713-716, 1994.
76. Harris MB, Olive DL: Changing hysterectomy patterns after introduction of laparoscopically assisted vaginal hysterectomy. Am J Obstet Gynecol 171:340-343, 1994.
77. Johns DA Carrera B, Jones J, et al: The medical and economic impact of laparoscopically assisted vaginal hysterectomy in a large, metropolitan, not-for-profit hospital. Am J Obstet Gynecol 172:1709-1715, 1995.
78. Ellstrom M, Ferraz-Nunes J, Hahlin M, et al: A randomized trial with a cost-consequence analysis after laparoscopic and abdominal hysterectomy. Obstet Gynecol 91:30-34, 1998.
79. Phipps JP, John M, Nayak S: Comparison of laparoscopic assisted vaginal hysterectomy and bilateral salpingoophorectomy with conventional abdominal hysterectomy and bilateral salpingo-ophorectomy. Br J Obstet Gynaecol 110:698-700, 1993.
80. Simon NV, Laveran RL, Cavanaugh S, et al: Laparoscopic supracervical hysterectomy vs abdominal hysterectomy in a community hospital. A cost comparison. J Reprod Med 44:339-345, 1999.
81. Shen CC, Wu MP, Lu CH, et al: Short- and long-term clinical results of laparoscopic-assisted vaginal hysterectomy and total abdominal hysterectomy. J Am Assoc Gynecol Laparosc 10:49-54, 2003.
82. Falcone T, Paraiso MF, Mascha E: Prospective randomized clinical trial of laparoscopically assisted vaginal hysterectomy versus total abdominal hysterectomy. Am J Obstet Gynecol 180:955-962, 1999.
83. Summitt RL Jr., Stovall TG, Steege JF, et al: A multicenter randomized comparison of laparoscopically assisted vaginal hysterectomy and abdominal hysterectomy in abdominal hysterectomy candidates. Obstet Gynecol 92:321-326, 1998.
84. Raju KS, Auld BJ: A randomised prospective study of laparoscopic vaginal hysterectomy versus abdominal hysterectomy each with bilateral salpingo-oophorectomy. Br J Obstet Gynaecol 101:1068-1071, 1994.
85. Howard FM, Sanchez R: A comparison of laparoscopically assisted vaginal hysterectomy and abdominal hysterectomy. J Gynecol Surg 9:83-90, 1993.
86. Bencini L, Sanchez LJ: Learning curve for laparoscopic ventral hernia repair. Am J Surg 187:378-382, 2004.
87. Robbins SB, Pofahl WE, Gonzalez RP: Laparoscopic ventral hernia repair reduces wound complications. Am Surg 67:896-900, 2001.
88. LeBlanc KA, Booth WV: Laparoscopic repair of incisional abdominal hernas using expanded polytetrafluoroethylene: Preliminary findings. Surg Laparosc Endosc 3:39-41, 1993.
89. Carbajo MA, Martin del Olmo JC, Blanco JI, et al: Laparoscopic treatment vs open surgery in the solution of major incisional and abdominal wall hernias with mesh. Surg Endosc 13:250-252, 1999.
90. McGreevy JM, Goodney PP, Birkmeyer CM, et al: A prospective study comparing the complication rates between laparoscopic and open ventral hernia repairs. Surg Endosc 17:1778-1780, 2003.
91. Raftopoulos I, Vanuno D, Khorsand J, et al: Comparison of open and laparoscopic prosthetic repair of large ventral hernias. JSLS 7:227-232, 2003.
92. Goodney PP, Birkmeyer CM, Birkmeyer JD: Short-term outcomes of laparoscopic and open ventral hernia repair: A meta-analysis. Arch Surg 137:1161-1165, 2002.
93. Park A, Birch DW, Lovrics P: Laparoscopic and open incisional hernia repair: a comparison study. Surgery 124: 816-821, 1998.
94. Ramshaw BJ, Esartia P, Schwab J, et al: Comparison of laparoscopic and open ventral herniorrhaphy. Am Surg 65:827-831, 1999.
95. Chari R, Chari V, Eisenstat M, et al: A case controlled study of laparoscopic incisional hernia repair. Surg Endosc 14:117-119, 2000.
96. DeMaria EJ, Moss JM, Sugerman HJ: Laparoscopic intraperitoneal polytetrafluoroethylene (PTFE) prosthetic patch repair of ventral hernia: Prospective comparison to open prefascial polypropylene mesh repair. Surg Endosc 14:326-329, 2000.
97. Holzman MD, Purut CM, Reintgen K, et al: Laparoscopic ventral and incisional hernioplasty. Surg Endosc 11:32-35, 1997.
98. Semm K: Endoscopic appendectomy. Endoscopy 15:59-64, 1983.
99. Golub R, Siddiqui F, Pohl D: Laparoscopic versus open appendectomy: a meta-analysis. J Am Coll Surg 186:545-553, 1998.
100. Kum CK, Ngoi SS, Goh PM, et al: Randomized controlled trial comparing laparoscopic and open appendicectomy. Br J Surg 80:1599-1600, 1993.
101. Frazee RC, Roberts JW, Symmonds RE, et al: A prospective randomized trial comparing open versus laparoscopic appendectomy. Ann Surg 219:725-728, 1994.
102. Ortega AE, Hunter JG, Peters JH, et al: A prospective, randomized comparison of laparoscopic appendectomy with open appendectomy. Am J Surg 169:208-212, 1995.
103. Tate JJ, Dawson JW, Chung SC, et al: Laparoscopic versus open appendicectomy: prospective randomised trial. Lancet 342:633-637, 1993.
104. Martin LC, Puente I, Sosa JL, et al: Open versus laparoscopic appendectomy: a prospective randomized comparison. Ann Surg 222:256-261, 1995.
105. Hansen JB, Smithers BM, Schache D, et al: Laparoscopic versus open appendectomy: Prospective randomized trial. World J Surg 20:17-20, 1996.
106. Guller U, Hervey S, Purves H, et al: Laparoscopic versus open appendectomy: outcomes comparison based on a large administrative database. Ann Surg 239:43-52, 2004.
107. Minne L, Varner D, Burnell A, et al: Laparoscopic vs open appendectomy: prospective randomized study of outcomes. Arch Surg 132:708-711, 1997.
108. Heikkinen TJ, Haukipuro K, Hulkko A: Cost-effective appendectomy: open or laparoscopic? A prospective randomized study. Surg Endosc 12:1204-1208, 1998.
109. Lagares-Garcia JA, Bansidhar B, Moore RA: Benefits of laparoscopy in middle-aged patients. Surg Endosc 17:68-72, 2003.
110. Williams MD, Collins JN, Wright TF, et al: Laparoscopic versus open appendectomy. South Med J 89:668-674, 1996.
111. Fallahzadeh H: Should a laparoscopic appendectomy be done? Am Surg 64:231-233, 1998.
112. McCahill LE, Pellegrini CA, Wiggins T, et al: A clinical outcome and cost analysis of laparoscopic versus open appendectomy. Am J Surg 171:533-537, 1996.
113. Peiser JG, Greenberg D: Laparoscopic versus open appendectomy: results of a retrospective comparison in an Israeli hospital. Isr Med Assoc J 4:91-94, 2002.
114. Merhoff AM, Merhoff GC, Franklin ME: Laparoscopic versus open appendectomy. Am J Surg 179:375-378, 2000.
115. Kald A, Kullman E, Anderberg B, et al: Cost-minimization analysis of laparoscopic and open appendicectomy. Eur J Surg 165:579-582, 1999.
116. Meguerditchian AN, Prasil P, Cloutier R, et al: Laparoscopic appendectomy in children: a favorable alternative in simple and complicated appendicitis. J Pediatr Surg 37:695-698, 2002.
117. Lintula H, Kokki H, Vanamo K, et al: The costs and effects of laparoscopic appendectomy in children. Arch Pediatr Adolesc Med 158:34-37, 2004.
118. Enochsson L, Hellberg A, Rudberg C, et al: Laparoscopic vs open appendectomy in overweight patients. Surg Endosc 15:387-392, 2001.
119. Johnson AB, Peetz ME: Laparoscopic appendectomy is an acceptable alternative for the treatment of perforated appendicitis. Surg Endosc 12:940-943, 1998.
120. Reiertsen O, Larsen S, Trondsen E, et al: Randomized controlled trial with sequential design of laparoscopic versus conventional appendicectomy. Br J Surg 84:842-847, 1997.
121. Pedersen AG, Petersen OB, Wara P, et al: Randomized clinical trial of laparoscopic versus open appendicectomy. Br J Surg 88:200-205, 2001.
122. Hellberg A, Rudberg C, Kullman E, et al: Prospective randomized multicentre study of laparoscopic versus open appendicectomy. Br J Surg 86:48-53, 1999.
123. Long KH, Bannon MP, Zietlow SP, et al: A prospective randomized comparison of laparoscopic appendectomy with open appendectomy: clinical and economic analyses. Surgery 129:390-400, 2001.
124. Attwood SE, Hill AD, Murphy PG, et al: A prospective randomized trial of laparoscopic versus open appendectomy. Surgery 112:497-501, 1992.
125. Cox MR, McCall JL, Toouli J, et al: Prospective randomized comparison of open versus laparoscopic appendectomy in men. World J Surg 20:263-266, 1996.
126. Laine S, Rantala A, Gullichsen R, et al: Laparoscopic appendectomy - is it worthwhile? A prospective, randomized study in young women. Surg Endosc 11:95-97, 1997.
127. Kazemier G, de Zeeuw GR, Lange JF, et al: Laparoscopic vs open appendectomy: a randomized clinical trial. Surg Endosc 11:336-340, 1997.
128. Mutter D, Vix M, Bui A, et al: Laparoscopy not recommended for routine appendectomy in men: results of a prospective randomized study. Surgery 120:71-74, 1996.
129. Hart R, Rajgopal C, Plewes A, et al: Laparoscopic versus open appendectomy: a prospective randomized trial of 81 patients. Can J Surg 39:457-462, 1996.
130. Macarulla E, Vallet J, Abad JM, et al: Laparoscopic versus open appendectomy: a prospective randomized trial. Surg Laparosc Endosc 7:335-339, 1997.
131. Little DC, Custer MD, May BH, et al: Laparoscopic appendectomy: an unnecessary and expensive procedure in children? J Pediatr Surg 37:310-317, 2002.
132. Lavonius MI, Liesjarvi S, Ovaska J, et al: Laparoscopic versus open appendectomy in children: a prospective randomised study. Eur J Pediatr Surg 11:235-238, 2001.
133. Huang MT, Wei PL, Wu CC, et al: Needlescopic, laparoscopic, and open appendectomy: a comparative study. Surg Laparosc Endosc Percutan Tech 11:306-312, 2001.
134. Helmy MA: A comparative study between laparoscopic versus open appendicectomy in men. J Egypt Soc Parasitol 31:555-562, 2001.
135. Ozmen MM, Zulfikaroglu B, Tanik A, et al: Laparoscopic versus open appendectomy: prospective randomized trial. Surg Laparosc Endosc Percutan Tech 9:187-189, 1999.