#

Ref

In- or exclusion

Comment

1

 Huscher CG, Mingoli A, Sgarzini G, et al. Laparoscopic versus open subtotal gastrectomy for distal gastric cancer : five-year results of a randomized prospective trial. Ann Surg 2005; 241(2):232-237.

Inclusion

2

Kim HH, Hyung WJ, Cho GS, et al. Morbidity and mortality of laparoscopic gastrectomy versus open gastrectomy for gastric cancer: an interim report - a phase III multicenter, prospective, randomized Trial (KLASS Trial). Ann Surg 2010; 251(3):417-420.

Inclusion

3

Viñuela EF, Gonen M, Brennan MF, et al. Laparoscopic versus open distal gastrectomy for gastric cancer: a meta-analysis of randomized controlled trials and high-quality nonrandomized studies. Ann Surg 2012; 255(3):446-456.

Inclusion

4

Haverkamp L, Weijs TJ, van der Sluis PC, et al. Laparoscopic total gastrectomy versus open total gastrectomy for cancer: a systematic review and meta-analysis. Surg Endosc 2013; 27(5):1509-1520.

exclusion

Meta-analysis without RCTs

5

Xiong J-J, Nunes QM, Huang W, et al. Laparoscopic vs open total gastrectomy for gastric cancer: A meta-analysis. World J Gastroenterol 2013; 19(44):8114-8132.

Exclusion

Meta-analysis without RCTs

6

Antonakis PT, Ashrafian H, Martinez Isla A. Laparoscopic gastric surgery for cancer: Where do we stand? World J Gastroenterol 2014; 20(39):14280-14291.

exclusion

Narrative review

7

Lee H-J, Kim H-H, Han SU, et al. Morbidity and mortality after laparoscopy-assisted and open distal gastrectomy for stage I gastric cancer: Results from a multicenter randomized controlled trial (KLASS-01). J Clin Oncol 2015; 33 (suppl 3; abstr 4). ---- inmiddels gepubliceerd. Ann Oncol Sept 2015

Exclusion

Abstract,

8

Zorcolo L, Rosman AS, Pisano M, Marcon F, Restivo A, Nigri GR, Fancellu A, Melis M. A meta-analysis of prospective randomized trials comparing minimally invasive and open distal gastrectomy for cancer. J Surg Oncol. 2011 Oct;104(5):544-51.

Exclusion

Wrong comparison

9

Martínez-Ramos D, Miralles-Tena JM, Cuesta MA, Escrig-Sos J, Van der Peet D, Hoashi JS, Salvador-Sanchís JL. Laparoscopy versus open surgery for advanced and resectable gastric cancer: a meta-analysis. Rev Esp Enferm Dig. 2011 Mar;103(3):133-41.

Inclusion

#

Reference

In- or exclusion

Comment

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Angst E, Hiatt JR, Gloor B, Reber HA, Hines OJ. Laparoscopic surgery for cancer: A systematic review and a way forward. Journal of the American College of Surgeons. 2010; 211: 412-23.

Exclusion

Narrative review

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Antonakis PT, Ashrafian H, Isla AM. Laparoscopic gastric surgery for cancer: where do we stand? World journal of gastroenterology : WJG. 2014; 20: 14280-91. 10.3748/wjg.v20.i39.14280.

Exclusion

Narrative review

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Aoyama T, Yoshikawa T, Hayashi T, Hasegawa S, Tsuchida K, Yamada T, et al. Randomized comparison of surgical stress and the nutritional status between laparoscopy-assisted and open distal gastrectomy for gastric cancer. Annals of surgical oncology. 2014; 21: 1983-90. http://dx.doi.org/10.1245/s10434-014-3509-9.

Exclusion

Observational study

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Exclusion

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Inclusion

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Chen GW, He XD, Yang KH, Liu YL, Tian JH, Ma B, et al. Systematic review of laparoscopy-assisted distal gastrectomy for the treatment of early gastric cancer. Tumor. 2007; 27: 994-98.

Exclusion

SR without RCTs

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Chen K, Pan Y, Cai JQ, Xu XW, Wu D, Mou YP. Totally laparoscopic gastrectomy for gastric cancer: a systematic review and meta-analysis of outcomes compared with open surgery. World journal of gastroenterology : WJG. 2014; 20: 15867-78. 10.3748/wjg.v20.i42.15867.

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Chen K, Xu XW, Mou YP, Pan Y, Zhou YC, Zhang RC, et al. Systematic review and meta-analysis of laparoscopic and open gastrectomy for advanced gastric cancer. World J Surg Oncol. 2013; 11: 182. http://dx.doi.org/10.1186/1477-7819-11-182.

Inclusion

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Chen K, Xu XW, Zhang RC, Pan Y, Wu D, Mou YP. Systematic review and meta-analysis of laparoscopy-assisted and open total gastrectomy for gastric cancer. World journal of gastroenterology : WJG. 2013; 19: 5365-76. 10.3748/wjg.v19.i32.5365.

exclusion

Meta-analysis of observational studies

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Chen K, Zhou YC, Mou YP, Xu XW, Jin WW, Ajoodhea H. Systematic review and meta-analysis of safety and efficacy of laparoscopic resection for gastrointestinal stromal tumors of the stomach. Surgical endoscopy. 2015; 29: 355-67. 10.1007/s00464-014-3676-6.

Exclusion

GIST

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Chen QL, Pan Y, Cai JQ, Wu D, Chen K, Mou YP. Laparoscopic versus open resection for gastric gastrointestinal stromal tumors: an updated systematic review and meta-analysis. World J Surg Oncol. 2014; 12: 206. 10.1186/1477-7819-12-206.

Exclusion

GIST

[13]

Chen XZ, Hu JK. Meta-analysis of laparoscopic and open distal gastrectomy for gastric carcinoma. Surgical endoscopy. 2009; 23: 1156-7. http://dx.doi.org/10.1007/s00464-009-0420-8.

Exclusion

Letter to editor

[14]

Chen XZ, Hu JK, Liu J, Yang K, Zhou ZG, Wang LL, et al. Comparison of short-term outcomes and perioperative systemic immunity of laparoscopy-assisted and open radical gastrectomy for gastric cancer. J Evid Based Med. 2011; 4: 225-31. http://dx.doi.org/10.1111/j.1756-5391.2011.01162.x.

Exclusion

Non-randomized study

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Chen XZ, Hu JK, Yang K, Wang L, Lu QC. Short-term evaluation of laparoscopy-assisted distal gastrectomy for predictive early gastric cancer: a meta-analysis of randomized controlled trials. Surg Laparosc Endosc Percutan Tech. 2009; 19: 277-84. http://dx.doi.org/10.1097/SLE.0b013e3181b080d3.

Inclusion

[16]

Chen XZ, Wen L, Rui YY, Liu CX, Zhao QC, Zhou ZG, et al. Long-term survival outcomes of laparoscopic versus open gastrectomy for gastric cancer: a systematic review and meta-analysis. Medicine (Baltimore). 2015; 94: e454. 10.1097/MD.0000000000000454.

Inclusion

[17]

Cheng Q, Pang TC, Hollands MJ, Richardson AJ, Pleass H, Johnston ES, et al. Systematic review and meta-analysis of laparoscopic versus open distal gastrectomy. J Gastrointest Surg. 2014; 18: 1087-99. http://dx.doi.org/10.1007/s11605-014-2519-z.

Inclusion

[18]

Choi YY, Bae JM, An JY, Hyung WJ, Noh SH. Laparoscopic gastrectomy for advanced gastric cancer: are the long-term results comparable with conventional open gastrectomy? A systematic review and meta-analysis. Journal of surgical oncology. 2013; 108: 550-6. http://dx.doi.org/10.1002/jso.23438.

Inclusion

[19]

Chouillard E, Gumbs AA, Meyer F, Torcivia A, Helmy N, Toubal M, et al. Laparoscopic versus open gastrectomy for adenocarcinoma: a prospective comparative analysis. Minerva Chir. 2010; 65: 243-50.

Exclusion

Observational study

[20]

Cui M, Li Z, Xing J, Yao Z, Liu M, Chen L, et al. A prospective randomized clinical trial comparing D2 dissection in laparoscopic and open gastrectomy for gastric cancer. Medical oncology (Northwood, London, England). 2015; 32: 241. 10.1007/s12032-015-0680-1.

Inclusion

[21]

De Vogelaere K, Hoorens A, Haentjens P, Delvaux G. Laparoscopic versus open resection of gastrointestinal stromal tumors of the stomach. Surgical endoscopy. 2013; 27: 1546-54. http://dx.doi.org/10.1007/s00464-012-2622-8.

Exclusion

GIST

[22]

Deng Y, Zhang Y, Guo TK. Laparoscopy-assisted versus open distal gastrectomy for early gastric cancer: A meta-analysis based on seven randomized controlled trials. Surg Oncol. 2015; 24: 71-77. 10.1016/j.suronc.2015.02.003.

Inclusion

[23]

Ding J, Liao GQ, Liu HL, Liu S, Tang J. Meta-analysis of laparoscopy-assisted distal gastrectomy with D2 lymph node dissection for gastric cancer. Journal of surgical oncology. 2012; 105: 297-303. http://dx.doi.org/10.1002/jso.22098.

exclusion

Meta-analysis of observational studies

[24]

Haverkamp L, Brenkman HJ, Seesing MF, Gisbertz SS, van Berge Henegouwen MI, Luyer MD, et al. Laparoscopic versus open gastrectomy for gastric cancer, a multicenter prospectively randomized controlled trial (LOGICA-trial). BMC cancer. 2015; 15: 556. 10.1186/s12885-015-1551-z.

Exclusion

Study protocol

[25]

Haverkamp L, Weijs TJ, van der Sluis PC, van der Tweel I, Ruurda JP, van Hillegersberg R. Laparoscopic total gastrectomy versus open total gastrectomy for cancer: a systematic review and meta-analysis. Surgical endoscopy. 2013; 27: 1509-20. 10.1007/s00464-012-2661-1.

exclusion

Meta-analysis of observational studies

[26]

Hayashi H, Ochiai T, Shimada H, Gunji Y. Prospective randomized study of open versus laparoscopy-assisted distal gastrectomy with extraperigastric lymph node dissection for early gastric cancer. Surgical endoscopy. 2005; 19: 1172-6.

Inclusion

[27]

He W, Tu J, Huo Z, Li Y, Peng J, Qiu Z, et al. Surgical interventions for gastric cancer: A review of systematic reviews. Int J Clin Exp Med. 2015; 8: 13657-69.

exclusion

Systematic review of systematic reviews

[28]

Hoang BN, Duy LV, Duy LTC, Duc TN. Comparison of open and laparoscopic gastrectomy with lymph node dissection for gastric cancer. Surgical Endoscopy and Other Interventional Techniques. 2012; 26: S198.

Exclusion

Abstract

[29]

Hosono S, Arimoto Y, Ohtani H, Kanamiya Y. Meta-analysis of short-term outcomes after laparoscopy-assisted distal gastrectomy. World journal of gastroenterology : WJG. 2006; 12: 7676-83.

Inclusion

[30]

Hu JH, Tang HN, Ma YP, Wang CY, Yao KH, Zhang JJ, et al. Systemic analysis on laparoscope-assisted gastrectomy for patients with gastric cancer. Asian Pac J Cancer Prev. 2015; 16: 2027-9.

Exclusion

No outcomes of interest reported

[31]

Hu Y, Huang C, Sun Y, Su X, Li Z, Xue Y, et al. Laparoscopic D2 distal gastrectomy versus conventional open surgery for advanced gastric cancer: The safety analysis from a multicenter prospective randomized controlled trial in China (CLASS01 Trial). Journal of Clinical Oncology. 2015; 33.

Exclusion

Abstract

[32]

Hu Y, Huang C, Sun Y, Su X, Li Z, Xue Y, et al. Laparoscopic D2 distal gastrectomy versus conventional open surgery for advanced gastric cancer: The safety analysis from a multicenter prospective randomized controlled trial in China (CLASS-01 Trial). 2015.

Exclusion

Abstract

[33]

Hu Y, Huang C, Sun Y, Su X, Li Z, Xue Y, et al. Laparoscopic D2 subtotal gastrectomy versus conventional open surgery for advanced gastric cancer: The safety analysis from a multicenter prospective randomized controlled trial in China (CLASS-01 trial). Journal of Clinical Oncology. 2015; 33.

Exclusion

Abstract

[34]

Huang CM, Yang N, Lin T, Zheng CH, Li P, Xie JW, et al. Laparoscopic versus conventional open resection for early distal gastric cancer: A Meta-analysis on short-term outcomes. Chinese Journal of Cancer Prevention and Treatment. 2011; 18: 355-60.

In Chinese

[35]

Huang YL, Lin HG, Yang JW, Jiang FQ, Zhang T, Yang HM, et al. Laparoscopy-assisted versus open gastrectomy with D2 lymph node dissection for advanced gastric cancer: a meta-analysis. Int J Clin Exp Med. 2014; 7: 1490-9.

Inclusion

[36]

Huscher CG, Mingoli A, Sgarzini G, Sansonetti A, Di Paola M, Recher A, et al. Laparoscopic versus open subtotal gastrectomy for distal gastric cancer: five-year results of a randomized prospective trial. Annals of surgery. 2005; 241: 232-7.

Inclusion

[37]

Inaki N, Etoh T, Ohyama T, Uchiyama K, Katada N, Koeda K, et al. A Multi-institutional, Prospective, Phase II Feasibility Study of Laparoscopy-Assisted Distal Gastrectomy with D2 Lymph Node Dissection for Locally Advanced Gastric Cancer (JLSSG0901). World J Surg. 2015; 39: 2734-41. http://dx.doi.org/10.1007/s00268-015-3160-z.

Exclusion

RCT but one arm analysis

[38]

Inokuchi M, Kojima K, Kato K, Sugita H, Sugihara K. Laparoscopy versus open distal gastrectomy for advanced gastric cancer: a systematic review and meta-analysis (Qiu J et al. Surg Laparosc Endosc Percutan Tech 2013;23:1-7). Surg Laparosc Endosc Percutan Tech. 2014; 24: 542. http://dx.doi.org/10.1097/SLE.0000000000000023.

Exclusion

Comment

[39]

Inokuchi M, Sugita H, Otsuki S, Sato Y, Nakagawa M, Kojima K. Laparoscopic distal gastrectomy reduced surgical site infection as compared with open distal gastrectomy for gastric cancer in a meta-analysis of both randomized controlled and case-controlled studies. Int J Surg. 2015; 15: 61-7. 10.1016/j.ijsu.2015.01.030.

Inclusion

[40]

Jiang J. Systematic review of feasibility and safety of laparoscopic gastrectomy for gastric cancer. Chinese-German Journal of Clinical Oncology. 2012; 11: 199-205.

Inclusion

[41]

Jiang L, Yang KH, Guan QL, Cao N, Chen Y, Zhao P, et al. Laparoscopy-assisted gastrectomy versus open gastrectomy for resectable gastric cancer: an update meta-analysis based on randomized controlled trials. Surgical endoscopy. 2013; 27: 2466-80. http://dx.doi.org/10.1007/s00464-012-2758-6.

Inclusion

[42]

Kim HH, Han SU, Kim MC, Hyung WJ, Kim W, Lee HJ, et al. Prospective randomized controlled trial (phase III) to comparing laparoscopic distal gastrectomy with open distal gastrectomy for gastric adenocarcinoma (KLASS 01). J Korean Surg Soc. 2013; 84: 123-30. http://dx.doi.org/10.4174/jkss.2013.84.2.123.

Exclusion

Protocol

[43]

Kim HH, Hyung WJ, Cho GS, Kim MC, Han SU, Kim W, et al. Morbidity and mortality of laparoscopic gastrectomy versus open gastrectomy for gastric cancer: an interim report--a phase III multicenter, prospective, randomized Trial (KLASS Trial). Annals of surgery. 2010; 251: 417-20. 10.1097/SLA.0b013e3181cc8f6b.

Inclusion

[44]

Kim W, Kim HH, Han SU, Kim MC, Hyung WJ, Ryu SW, et al. Morbidity and mortality after laparoscopy-assisted and open distal gastrectomy for stage I gastric cancer: Results from a multicenter randomised controlled trial (KLASS-01). Surgical Endoscopy and Other Interventional Techniques. 2015; 29: S341.

Exclusion

Abstract

[45]

Kim W, Kim HH, Han SU, Kim MC, Hyung WJ, Ryu SW, et al. Decreased Morbidity of Laparoscopic Distal Gastrectomy Compared With Open Distal Gastrectomy for Stage I Gastric Cancer: Short-term Outcomes From a Multicenter Randomized Controlled Trial (KLASS-01). Annals of surgery. 2015.

Inclusion

[46]

Kim YW, Park YK, Ryu KW, Lee YH, Jeong O, Yoon KY, et al. Feasibility study of laparoscopy-assisted D2 distal gastrectomy to treat advanced gastric cancer (coact-1001). 2013:S41.10.1007/s00464-013-2875-x.

Exclusion

Abstract

[47]

Kim YW, Park YK, Yoon HM, Nam BH, Ryu KW, Lee YJ, et al. Result of clinical study on feasibility of laparoscopy-assisted D2 distal gastrectomy to treat advanced gastric cancer (COACT-1001). 2013.

Exclusion

Abstract

[48]

Kim Y-W, Baik YH, Yun YH, Nam BH, Kim DH, Choi IJ, et al. Improved quality of life outcomes after laparoscopy-assisted distal gastrectomy for early gastric cancer: results of a prospective randomized clinical trial. Annals of surgery. 2008; 248: 721-7. 10.1097/SLA.0b013e318185e62e.

Inclusion

[49]

Kim Y-W, Yoon HM, Yun YH, Nam BH, Eom BW, Baik YH, et al. Long-term outcomes of laparoscopy-assisted distal gastrectomy for early gastric cancer: result of a randomized controlled trial (COACT 0301). 2013; 27: 4267-76. 10.1007/s00464-013-3037-x.

Inclusion

[50]

Kodera Y, Fujiwara M, Ohashi N, Nakayama G, Koike M, Morita S, et al. Laparoscopic surgery for gastric cancer: a collective review with meta-analysis of randomized trials. Journal of the American College of Surgeons. 2010; 211: 677-86. http://dx.doi.org/10.1016/j.jamcollsurg.2010.07.013.

Inclusion

[51]

Koh YX, Chok AY, Zheng HL, Tan CS, Chow PK, Wong WK, et al. A systematic review and meta-analysis comparing laparoscopic versus open gastric resections for gastrointestinal stromal tumors of the stomach. Annals of surgical oncology. 2013; 20: 3549-60. 10.1245/s10434-013-3051-1.

Exclusion

GIST

[52]

Kunisaki C, Makino H, Takagawa R, Kimura J, Ota M, Ichikawa Y, et al. A systematic review of laparoscopic total gastrectomy for gastric cancer. Gastric Cancer. 2015; 18: 218-26. http://dx.doi.org/10.1007/s10120-015-0474-3.

Exclusion

Narrative review

[53]

Lee HJ, Kim HH, Han SU, Kim MC, Hyung WJ, Ryu SW, et al. Morbidity and mortality after laparoscopy-assisted and open distal gastrectomy for stage I gastric cancer: Results from a multicenter randomized controlled trial (KLASS-01). Journal of Clinical Oncology. 2015; 33.

Exclusion

abstract

[54]

Lee JH, Han HS, Lee JH. A prospective randomized study comparing open vs laparoscopy-assisted distal gastrectomy in early gastric cancer: early results. 2005:168-73.10.1007/s00464-004-8808-y.

Inclusion

[55]

Lee JH, Yom CK, Han HS. Comparison of long-term outcomes of laparoscopy-assisted and open distal gastrectomy for early gastric cancer. Surgical endoscopy. 2009; 23: 1759-63. http://dx.doi.org/10.1007/s00464-008-0198-0.

Exclusion

Observational study

[56]

Li G, Hu Y, Liu H. Current status of randomized controlled trials for laparoscopic gastric surgery for gastric cancer in China. Asian j. 2015; 8: 263-7. http://dx.doi.org/10.1111/ases.12198.

Exclusion

Narrative review

[57]

Liang JW, Zheng ZC, Zhang JJ, Zhang T, Zhao Y, Yang W, et al. Laparoscopic versus open gastric resections for gastric gastrointestinal stromal tumors: a meta-analysis. Surg Laparosc Endosc Percutan Tech. 2013; 23: 378-87. 10.1097/SLE.0b013e31828e3e9d.

Exclusion

GIST

[58]

Liang JW, Zheng ZC, Zhang T, Zhao Y, Wang Y, Liu Y. Safety and efficacy of laparoscopic resection for gastric stromal tumors: A systematic review. Chinese Journal of Evidence-Based Medicine. 2011; 11: 819-25.

Exclusion

GIST

[59]

Liang Y, Li G, Chen P, Yu J, Zhang C. Laparoscopic versus open gastrectomy for early distal gastric cancer: a meta-analysis. ANZ journal of surgery. 2011; 81: 673-80.

Inclusion

[60]

Lin J, Huang C, Zheng C, Li P, Xie J, Wang J, et al. Laparoscopic versus open gastric resection for larger than 5 cm primary gastric gastrointestinal stromal tumors (GIST): a size-matched comparison. Surgical endoscopy. 2014; 28: 2577-83. http://dx.doi.org/10.1007/s00464-014-3506-x.

Exclusion

GIST

[61]

Lin W, Li Z, Xu Y, Xie X, Huang Z, Pan G. Comparative study of laparoscopic gastrectomy D2 radical surgery and open gastrectomy for upper stomach cancer. Cancer Research and Clinic. 2014; 26: 332-35.

Exclusion

In Chinese

[62]

Lu C, Zhou S, Peng Z, Chen L. Quality of D2 lymphadenectomy for advanced gastric cancer: is laparoscopic-assisted distal gastrectomy as effective as open distal gastrectomy? Surgical endoscopy. 2015; 29: 1537-44. 10.1007/s00464-014-3838-6.

Exclusion

Meta-analysis of observational studies

[63]

Marano A, Choi YY, Hyung WJ, Kim YM, Kim J, Noh SH. Robotic versus Laparoscopic versus Open Gastrectomy: A Meta-Analysis. Journal of gastric cancer. 2013; 13: 136-48. http://dx.doi.org/10.5230/jgc.2013.13.3.136.

Exclusion

Wrong Comparions: RG vs OG and RG vs LG

[64]

Martinez-Ramos D, Miralles-Tena JM, Cuesta MA, Escrig-Sos J, Van der Peet D, Hoashi JS, et al. Laparoscopy versus open surgery for advanced and resectable gastric cancer: a meta-analysis. Revista espanola de enfermedades digestivas : organo oficial de la Sociedad Espanola de Patologia Digestiva. 2011; 103: 133-41.

Inclusion

[65]

Memon MA, Khan S, Yunus RM, Barr R, Memon B. Meta-analysis of laparoscopic and open distal gastrectomy for gastric carcinoma. Surgical endoscopy. 2008; 22: 1781-9. 10.1007/s00464-008-9925-9.

Inclusion

[66]

Misawa K, Fujiwara M, Ando M, Ito S, Mochizuki Y, Ito Y, et al. Long-term quality of life after laparoscopic distal gastrectomy for early gastric cancer: results of a prospective multi-institutional comparative trial. Gastric Cancer. 2015; 18: 417-25. http://dx.doi.org/10.1007/s10120-014-0374-y.

Exclusion

Observational study

[67]

Nakamura K, Katai H, Mizusawa J, Yoshikawa T, Ando M, Terashima M, et al. A phase III study of laparoscopy-assisted versus open distal gastrectomy with nodal dissection for clinical stage IA/IB gastric Cancer (JCOG0912). Japanese journal of clinical oncology. 2013; 43: 324-7. http://dx.doi.org/10.1093/jjco/hys220.

Exclusion

Protocol

[68]

Nam BH, Kim YW, Reim D, Eom BW, Yu WS, Park YK, et al. Laparoscopy Assisted versus Open Distal Gastrectomy with D2 Lymph Node Dissection for Advanced Gastric Cancer: Design and Rationale of a Phase II Randomized Controlled Multicenter Trial (COACT 1001). J. 2013; 13: 164-71. http://dx.doi.org/10.5230/jgc.2013.13.3.164.

Exclusion

Protocol

[69]

Ohtani H, Maeda K, Noda E, Nagahara H, Shibutani M, Ohira M, et al. Meta-analysis of laparoscopic and open surgery for gastric gastrointestinal stromal tumor. Anticancer research. 2013; 33: 5031-41.

exclusion

GIST

[70]

Ohtani H, Tamamori Y, Noguchi K, Azuma T, Fujimoto S, Oba H, et al. A meta-analysis of randomized controlled trials that compared laparoscopy-assisted and open distal gastrectomy for early gastric cancer. J Gastrointest Surg. 2010; 14: 958-64. http://dx.doi.org/10.1007/s11605-010-1195-x.

Inclusion

[71]

Ohtani H, Tamamori Y, Noguchi K, Azuma T, Fujimoto S, Oba H, et al. Meta-analysis of laparoscopy-assisted and open distal gastrectomy for gastric cancer. J Surg Res. 2011; 171: 479-85. http://dx.doi.org/10.1016/j.jss.2010.04.008.

Inclusion

[72]

Okholm C, Goetze JP, Svendsen LB, Achiam MP. Inflammatory response in laparoscopic vs. open surgery for gastric cancer. Scandinavian journal of gastroenterology. 2014; 49: 1027-34. http://dx.doi.org/10.3109/00365521.2014.917698.

Exclusion

Outcomes not in PICO

[73]

Peng JS, Song H, Yang ZL, Xiang J, Diao DC, Liu ZH. Meta-analysis of laparoscopy-assisted distal gastrectomy and conventional open distal gastrectomy for early gastric cancer. Chin. 2010; 29: 349-54.

Inclusion

[74]

Qiu J, Pankaj P, Jiang H, Zeng Y, Wu H. Laparoscopy versus open distal gastrectomy for advanced gastric cancer: a systematic review and meta-analysis. Surg Laparosc Endosc Percutan Tech. 2013; 23: 1-7. 10.1097/SLE.0b013e3182747af7.

exclusion

Meta-analysis of observational studies

[75]

Quan Y, Huang A, Ye M, Xu M, Zhuang B, Zhang P, et al. Comparison of laparoscopic versus open gastrectomy for advanced gastric cancer: an updated meta-analysis. Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association. 2015, 10.1007/s10120-015-0516-x.

Inclusion

[76]

Sakuramoto S, Kikuchi S, Futawatari N, Katada N, Moriya H, Hirai K, et al. Laparoscopy-assisted pancreas- and spleen-preserving total gastrectomy for gastric cancer as compared with open total gastrectomy. Surgical endoscopy. 2009; 23: 2416-23. 10.1007/s00464-009-0371-0.

Exclusion

Non-randomized study (observational study)

[77]

Sakuramoto S, Yamashita K, Kikuchi S, Futawatari N, Katada N, Watanabe M, et al. Laparoscopy versus open distal gastrectomy by expert surgeons for early gastric cancer in Japanese patients: short-term clinical outcomes of a randomized clinical trial. Surgical endoscopy. 2013; 27: 1695-705. http://dx.doi.org/10.1007/s00464-012-2658-9.

Inclusion

[78]

Schizas D, Mylonas KS, Economopoulos KP, Tasigiorgos S, Patouras D, Karavokyros I, et al. Laparoscopic surgery for gastric cancer: a systematic review. European Surgery - Acta Chirurgica Austriaca. 2015.

Exclusion

Narrative review

[79]

Shehzad K, Mohiuddin K, Nizami S, Sharma H, Khan IM, Memon B, et al. Current status of minimal access surgery for gastric cancer. Surg Oncol. 2007; 16: 85-98.

Exclusion

Narrative review

[80]

Shen H, Shan C, Liu S, Qiu M. Laparoscopy-assisted versus open total gastrectomy for gastric cancer: a meta-analysis. Journal of laparoendoscopic & advanced surgical techniques Part A. 2013; 23: 832-40. http://dx.doi.org/10.1089/lap.2013.0152.

Exclusion

Meta-analysis of observational studies

[81]

Shu ZB, Cao HP, Li YC, Sun LB. Influences of laparoscopic-assisted gastrectomy and open gastrectomy on serum interleukin-6 levels in patients with gastric cancer among Asian populations: a systematic review. BMC gastroenterology. 2015; 15: 52. 10.1186/s12876-015-0276-4.

exclusion

IL-6 as outcome

[82]

Siani LM, Ferranti F, De Carlo A, Quintiliani A. Completely laparoscopic versus open total gastrectomy in stage I-III/C gastric cancer: safety, efficacy and five-year oncologic outcome. Minerva Chir. 2012; 67: 319-26.

Exclusion

Oberservational study

[83]

Sica GS, Iaculli E, Biancone L, Di Carlo S, Scaramuzzo R, Fiorani C, et al. Comparative study of laparoscopic vs open gastrectomy in gastric cancer management. World Journal of Gastroenterology. 2011; 17: 4602-6. http://dx.doi.org/10.3748/wjg.v17.i41.4602.

exclusion

Non-randomized study

[84]

Song KY, Kim SN, Park CH. Laparoscopy-assisted distal gastrectomy with D2 lymph node dissection for gastric cancer: technical and oncologic aspects. Surgical endoscopy. 2008; 22: 655-9.

exclusion

Observational study

[85]

Sun J, Li J, Wang J, Pan T, Zhou J, Fu X, et al. Meta-analysis of randomized controlled trials on laparoscopic gastrectomy vs. open gastrectomy for distal gastric cancer. Hepato-gastroenterology. 2012; 59: 1699-705. http://dx.doi.org/10.5754/hge12259.

Exclusion

Abstract

[86]

Takagi M, Katai H, Mizusawa J, Nakamura K, Yoshikawa T, Terashima M, et al. A phase III study of laparoscopy-assisted versus open distal gastrectomy with nodal dissection for clinical stage IA/IB gastric cancer (JCOG0912): Analysis of the safety and short-term clinical outcomes. Journal of Clinical Oncology. 2015; 33.

Exclusion

Abstract

[87]

Takiguchi S, Fujiwara Y, Yamasaki M, Miyata H, Nakajima K, Sekimoto M, et al. Laparoscopy-assisted distal gastrectomy versus open distal gastrectomy. A prospective randomized single-blind study. World J Surg. 2013; 37: 2379-86. 10.1007/s00268-013-2121-7.

Inclusion

[88]

Tang HN, Hu JH. A comparison of surgical procedures and postoperative cares for minimally invasive laparoscopic gastrectomy and open gastrectomy in gastric cancer. Int J Clin Exp Med. 2015; 8: 10321-9.

Exclusion

Narrative review

[89]

Vinuela EF, Gonen M, Brennan MF, Coit DG, Strong VE. Laparoscopic versus open distal gastrectomy for gastric cancer: a meta-analysis of randomized controlled trials and high-quality nonrandomized studies. Annals of surgery. 2012; 255: 446-56. 10.1097/SLA.0b013e31824682f4.

Inclusion

[90]

Wang J, Di J, Zhuang M, Jiang B, Wang Z, Su X. The meta-analysis laparoscopy versus open distal gastrectomy for advanced gastric cancer. European Surgery - Acta Chirurgica Austriaca. 2015; 47: S2-S3.

Exclusion

Abstract

[91]

Wang W, Li Z, Tang J, Wang M, Wang B, Xu Z. Laparoscopic versus open total gastrectomy with D2 dissection for gastric cancer: a meta-analysis. Journal of cancer research and clinical oncology. 2013; 139: 1721-34. http://dx.doi.org/10.1007/s00432-013-1462-9.

Exclusion

Meta-analysis of observational studies

[92]

Wang W, Zhang X, Shen C, Zhi X, Wang B, Xu Z. Laparoscopic versus Open Total Gastrectomy for Gastric Cancer: An Updated Meta-Analysis. PLoS ONE. 2014; 9.

Exclusion

Meta-analysis of observational studies

[93]

Wang Y, Wang S, Huang ZQ, Chou WP. Meta-analysis of laparoscopy assisted distal gastrectomy and conventional open distal gastrectomy for EGC. Surg. 2014; 12: 53-8. http://dx.doi.org/10.1016/j.surge.2013.03.006.

inclusion

[94]

Wei HB, Wei B, Qi CL, Chen TF, Huang Y, Zheng ZH, et al. Laparoscopic versus open gastrectomy with D2 lymph node dissection for gastric cancer: a meta-analysis. Surg Laparosc Endosc Percutan Tech. 2011; 21: 383-90. http://dx.doi.org/10.1097/SLE.0b013e31822d02dc.

inclusion

[95]

Wu XS, Wu WG, Li ML, Yang JH, Ding QC, Zhang L, et al. Impact of being overweight on the surgical outcomes of patients with gastric cancer: a meta-analysis. World Journal of Gastroenterology. 2013; 19: 4596-606. http://dx.doi.org/10.3748/wjg.v19.i27.4596.

exclusion

Wrong comparison

[96]

Xiong JJ, Nunes QM, Huang W, Tan CL, Ke NW, Xie SM, et al. Laparoscopic vs open total gastrectomy for gastric cancer: A meta-analysis. World journal of gastroenterology : WJG. 2013; 19: 8114-32. 10.3748/wjg.v19.i44.8114.

exclusion

MA of non randomized studies

[97]

Xu XW, Chen K, Zhang RC, Wang J, Mou YP. Meta-analysis of laparoscopic-assisted versus open distal gastrectomy for gastric cancer. National Medical Journal of China. 2013; 93: 1224-29.

exclusion

In Chinese

[98]

Yakoub D, Athanasiou T, Tekkis P, Hanna GB. Laparoscopic assisted distal gastrectomy for early gastric cancer: is it an alternative to the open approach? Surg Oncol. 2009; 18: 322-33. 10.1016/j.suronc.2008.08.006.

inclusion

[99]

Yang N, Huang CM, Lin T, Zheng CH, Li P, Xie JW, et al. Laparoscopic versus conventional open resection for early distal gastric cancer: a meta-analysis on the number of retrieved lymph nodes. Zhonghua wei chang wai ke za zhi = Chinese journal of gastrointestinal surgery. 2010; 13: 97-102.

exclusion

In Chinese

[100]

Yao GL, Yu JP, Yao QY. Feasibility and safety of laparoscopic gastrectomy for gastric cancer: a meta analysis of five prospective randomized controlled trials (Structured abstract). Journal of Clinical Rehabilitative Tissue Engineering Research   2010:8726-31.

exclusion

In Chinese

[101]

Ye LY, Liu DR, Li C, Li XW, Huang LN, Ye S, et al. Systematic review of laparoscopy-assisted versus open gastrectomy for advanced gastric cancer. J Zhejiang Univ Sci B. 2013; 14: 468-78. http://dx.doi.org/10.1631/jzus.B1200197.

inclusion

[102]

Yoon HM, Kim YW, Lee JH, Ryu KW, Eom BU, Choi IJ, et al. Long term outcomes of laparoscopy-assisted distal gastrectomy versus open distal gastrectomy for early gastric cancer. 2012:S2.10.1007/s00464-014-3484-z.

exclusion

Abstract

[103]

Yoshikawa T, Fukunaga T, Taguri M, Kunisaki C, Sakuramoto S, Ito S, et al. Laparoscopic or open distal gastrectomy after neoadjuvant chemotherapy for operable gastric cancer, a randomized Phase II trial (LANDSCOPE trial). Japanese journal of clinical oncology. 2012; 42: 654-7. http://dx.doi.org/10.1093/jjco/hys057.

exclusion

Protocol

[104]

Yoshikawa T, Hayashi T, Aoyama T, Shirai J, Fujikawa H, Ogata T, et al. Randomized comparisons of IL-6 and lean body mass between open versus laparoscopic distal gastrectomy for gastric cancer. Journal of Clinical Oncology 31(4) S2. 2013.

exclusion

Abstract

[105]

Zeng YK, Yang ZL, Peng JS, Lin HS, Cai L. Laparoscopy-assisted versus open distal gastrectomy for early gastric cancer: evidence from randomized and nonrandomized clinical trials. Annals of surgery. 2012; 256: 39-52. http://dx.doi.org/10.1097/SLA.0b013e3182583e2e.

inclusion

[106]

Zhang C, Cui M, Xing J, Di J, Su X. Laparoscopy-assisted versus open gastrectomy for advanced gastric cancer. European Surgery - Acta Chirurgica Austriaca. 2015; 47: S3.

exclusion

Abstract

[107]

Zhang C-D, Chen S-C, Feng Z-F, Zhao Z-M, Wang J-N, Dai D-Q. Laparoscopic versus open gastrectomy for early gastric cancer in Asia: a meta-analysis. Surg Laparosc Endosc Percutan Tech. 2013; 23: 365-77. 10.1097/SLE.0b013e31828e3e6e.

inclusion

[108]

Zheng L, Ding W, Zhou D, Lu L, Yao L. Laparoscopic versus open resection for gastric gastrointestinal stromal tumors: a meta-analysis. The American surgeon. 2014; 80: 48-56.

exclusion

GIST

[109]

Zhou D, Quan Z, Wang J, Zhao M, Yang Y. Laparoscopic-Assisted Versus Open Distal Gastrectomy with D2 Lymph Node Resection for Advanced Gastric Cancer: Effect of Learning Curve on Short-Term Outcomes. A Meta-analysis. Journal of Laparoendoscopic & Advanced Surgical Techniques. 2014; 24: 139-50. 10.1089/lap.2013.0481.

exclusion

No RCTs in MA

[110]

Zhou Y, Chen K, Mou Y. Meta-analysis of safety and efficacy of laparoscopic resection for gastric stromal tumors. Surgical Endoscopy and Other Interventional Techniques. 2014; 28: 242.

exclusion

abstract

[111]

Zong L, Seto Y, Aikou S, Takahashi T. Efficacy evaluation of subtotal and total gastrectomies in robotic surgery for gastric cancer compared with that in open and laparoscopic resections: a meta-analysis. PLoS ONE. 2014; 9: e103312. http://dx.doi.org/10.1371/journal.pone.0103312.

exclusion

Wrong comparison

[112]

Zorcolo L, Rosman AS, Pisano M, Marcon F, Restivo A, Nigri GR, et al. A meta-analysis of prospective randomized trials comparing minimally invasive and open distal gastrectomy for cancer. Journal of surgical oncology. 2011; 104: 544-51. 10.1002/jso.21980.

exclusion

Wrong comparison

[113]

Zou ZH, Zhao LY, Mou TY, Hu YF, Yu J, Liu H, et al. Laparoscopic vs open D2 gastrectomy for locally advanced gastric cancer: A meta-analysis. World journal of gastroenterology. 2014; 20: 16750-64. http://dx.doi.org/10.3748/wjg.v20.i44.16750.

inclusion