1. Bay-Nielsen M, Kehlet H, Strand L, Malmstrom J, Andersen FH, Wara P, et al. Quality assessment of 26,304 herniorrhaphies in Denmark: a prospective nationwide study. Lancet. 2001; 358:1124–1128.
2. EU Hernia Trialists Collaboration. Repair of groin hernia with synthetic mesh: meta-analysis of randomized controlled trials. Ann Surg. 2002; 235:322–332.
3. van Veen RN, Wijsmuller AR, Vrijland WW, Hop WC, Lange JF, Jeekel J. Long-term follow-up of a randomized clinical trial of non-mesh versus mesh repair of primary inguinal hernia. Br J Surg. 2007; 94:506–510.
4. Klinge U, Klosterhalfen B, Müller M, Schumpelick V. Foreign body reaction to meshes used for the repair of abdominal wall hernias. Eur J Surg. 1999; 165:665–673.
5. Cunningham J, Temple WJ, Mitchell P, Nixon JA, Preshaw RM, Hagen NA. Cooperative hernia study. Pain in the postrepair patient. Ann Surg. 1996; 224:598–602.
6. Poobalan AS, Bruce J, King PM, Chambers WA, Krukowski ZH, Smith WC. Chronic pain and quality of life following open inguinal hernia repair. Br J Surg. 2001; 88:1122–1126.
7. Post S, Weiss B, Willer M, Neufang T, Lorenz D. Randomized clinical trial of lightweight composite mesh for Lichtenstein inguinal hernia repair. Br J Surg. 2004; 91:44–48.
8. O'Dwyer PJ, Kingsnorth AN, Molloy RG, Small PK, Lammers B, Horeyseck G. Randomized clinical trial assessing impact of a lightweight or heavyweight mesh on chronic pain after inguinal hernia repair. Br J Surg. 2005; 92:166–170.
9. Bringman S, Wollert S, Osterberg J, Smedberg S, Granlund H, Heikkinen TJ. Three-year results of a randomized clinical trial of lightweight or standard polypropylene mesh in Lichtenstein repair of primary inguinal hernia. Br J Surg. 2006; 93:1056–1059.
10. Paajanen H. A single-surgeon randomized trial comparing three composite meshes on chronic pain after Lichtenstein hernia repair in local anesthesia. Hernia. 2007; 11:335–339.
11. Koch A, Bringman S, Myrelid P, Smeds S, Kald A. Randomized clinical trial of groin hernia repair with titanium-coated lightweight mesh compared with standard polypropylene mesh. Br J Surg. 2008; 95:1226–1231.
12. Polish Hernia Study Group. smietanski M. Randomized clinical trial comparing a polypropylene with a poliglecaprone and polypropylene composite mesh for inguinal hernioplasty. Br J Surg. 2008; 95:1462–1468.
13. Nikkolo C, Lepner U, Murruste M, Vaasna T, Seepter H, Tikk T. Randomised clinical trial comparing lightweight mesh with heavyweight mesh for inguinal hernioplasty. Hernia. 2010; 14:253–258.
14. Bringman S, Wol lert S, Osterberg J, Heikkinen T. Early results of a randomized multicenter trial comparing Prolene and VyproII mesh in bilateral endoscopic extraperitoneal hernioplasty (TEP). Surg Endosc. 2005; 19:536–540.
15. Heikkinen T, Wollert S, Osterberg J, Smedberg S, Bringman S. Early results of a randomised tr ial compar ing Prolene and VyproII-mesh in endoscopic extraperitoneal inguinal hernia repair (TEP) of recurrent unilateral hernias. Hernia. 2006; 10:34–40.
16. Langenbach MR, Schmidt J, Zirngibl H. Comparison of biomaterials: three meshes and TAPP for inguinal hernia. Surg Endosc. 2006; 20:1511–1517.
17. Agarwal BB, Agarwal KA, Mahajan KC. Prospective doubleblind randomized controlled study comparing heavy- and lightweight polypropylene mesh in totally extraperitoneal repair of inguinal hernia: early results. Surg Endosc. 2009; 23:242–247.
18. Chui LB, Ng WT, Sze YS, Yuen KS, Wong YT, Kong CK. Prospective, randomized, controlled trial comparing lightweight versus heavyweight mesh in chronic pain incidence after TEP repair of bilateral inguinal hernia. Surg Endosc. 2010; 24:2735–2738.
19. Chowbey PK, Garg N, Sharma A, Khullar R, Soni V, Baijal M, et al. Prospective randomized clinical trial comparing lightweight mesh and heavyweight polypropylene mesh in endoscopic totally extraperitoneal groin hernia repair. Surg Endosc. 2010; 24:3073–3079.
20. Bittner R, Schmedt CG, Leibl BJ, Schwarz J. Early postoperative and one year results of a randomized controlled trial comparing the impact of extralight titanized polypropylene mesh and traditional heavyweight polypropylene mesh on pain and seroma production in laparoscopic hernia repair (TAPP). World J Surg. 2011; 35:1791–1797.
21. Cristaudo A, Nayak A, Martin S, Adib R, Martin I. A prospective randomised trial comparing mesh types and fixation in totally extraperitoneal inguinal hernia repairs. Int J Surg. 2015; 17:79–82.
22. Currie A, Andrew H, Tonsi A, Hurley PR, Taribagil S. Lightweight versus heavyweight mesh in laparoscopic inguinal hernia repair: a metaanalysis. Surg Endosc. 2012; 26:2126–2133.
23. Gao D, Wei S, Zhai C, Chen J, Li M, Gu C, et al. Clinical research of preperitoneal drainage af ter endoscopic total ly extraperitoneal inguinal hernia repair. Hernia. 2015; 19:789–794.
24. Burgmans JP, Voorbrood CE, Schouten N, Smakman N, Elias S, Clevers GJ, et al. Threemonth results of the effect of Ultrapro or Prolene mesh on post-operative pain and well-being following endoscopic totally extraperitoneal hernia repair (TULP trial). Surg Endosc. 2015; 29:3171–3178.
25. Ujiki MB, Gitelis ME, Carbray J, Lapin B, Linn J, Haggerty S, et al. Patient-centered outcomes following laparoscopic inguinal hernia repair. Surg Endosc. 2015; 29:2512–2519.
26. Bittner R, Leibl BJ, Jäger C, Kraft B, Ulrich M, Schwarz J. TAPP Stuttgart technique and result of a large single center series. J Minim Access Surg. 2006; 2:155–159.
27. Bittner R, Gmähle E, Gmähle B, Schwarz J, Aasvang E, Kehlet H. Lightweight mesh and noninvasive fixation: an effective concept for prevention of chronic pain with laparoscopic hernia repair (TAPP). Surg Endosc. 2010; 24:2958–2964.
28. Bittner R, Arregui ME, Bisgaard T, Dudai M, Ferzli GS, Fitzgibbons RJ, et al. Guidelines for laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal hernia [International Endohernia Society (IEHS)]. Surg Endosc. 2011; 25:2773–2843.