[1. Kraeutler MJ, Wolsky RM, Vidal AF, Bravman JT. Anatomy and Biomechanics of the Native and Reconstructed Anterior Cruciate Ligament: Surgical Implications. J Bone Joint Surg Am. 2017;99:438-445.10.2106/JBJS.16.0075428244915]Search in Google Scholar
[2. Petersen W, Zantop T. Anatomy of the anterior cruciate ligament with regard to its two bundles. Clin Orthop Relat Res. 2007;454:35-47.10.1097/BLO.0b013e31802b4a5917075382]Search in Google Scholar
[3. Costa-Paz M, Ayerza MA, Tanoira I, Astoul J, Muscolo DL. Spontaneous Healing in Complete ACL Ruptures: A Clinical and MRI Study. Clin Orthop Relat Res. 2012;470: 979-985.10.1007/s11999-011-1933-8329395321643922]Search in Google Scholar
[4. Roe J, Salmon L, Waller A, Linklater J, Pinczewski L. Spontaneous Healing of the Ruptured Anterior Cruciate Ligament. A Case Series of 21 Patients. Orthop J Sports Med. 2016;4:2325967116S00080.10.1177/2325967116S00080]Search in Google Scholar
[5. Swedish ACL Register. Annual Report 2014. Available at: https://www.artroclinic.se/info/rapport2014en.pdf]Search in Google Scholar
[6. Samitier G, Marcano AI, Alentorn-Geli E, Cugat R, Farmer KW, Moser MW. Failure of Anterior Cruciate Ligament Reconstruction. Arch Bone Jt Surg. 2015;3:220-240.]Search in Google Scholar
[7. Ménétrey J, Duthon VB, Laumonier T, Fritschy D. “Biological failure” of the anterior cruciate ligament graft. Knee Surg Sports Traumatol Arthrosc. 2008;16:224-231.10.1007/s00167-007-0474-x18183368]Search in Google Scholar
[8. Claes S, Verdonk P, Forsyth R, Bellemans J. The “ligamentization” process in anterior cruciate ligament reconstruction: what happens to the human graft? A systematic review of the literature. Am J Sports Med. 2011;39:2476-2483.10.1177/036354651140266221515806]Search in Google Scholar
[9. Rizzello G, Longo UG, Petrillo S, et al. Growth Factors and Stem Cells for the Management of Anterior Cruciate Ligament Tears. Open Orthop J. 2012;6:525-530.10.2174/1874325001206010525352209623248722]Search in Google Scholar
[10. Bissell L, Tibrewal S, Sahni V, Khan WS. Growth factors and platelet rich plasma in anterior cruciate ligament reconstruction. Curr Stem Cell Res Ther. 2015;10:19-25.10.2174/1574888X09666140710102002]Search in Google Scholar
[11. Laver L, Marom N, Dnyanesh L, Mei-Dan O, Espregueira-Mendes J, Gobbi A. PRP for Degenerative Cartilage Disease: A Systematic Review of Clinical Studies. Cartilage. 2016:1947603516670709.10.1177/1947603516670709561389228317389]Search in Google Scholar
[12. Andriolo L, Di Matteo B, Kon E, Filardo G, Venieri G, Marcacci M. PRP Augmentation for ACL Reconstruction. Biomed Res Int. 2015;2015:371746.10.1155/2015/371746443062926064903]Search in Google Scholar
[13. Mirzatolooei F, Alamdari MT, Khalkhali HR. The impact of platelet-rich plasma on the prevention of tunnel widening in anterior cruciate ligament reconstruction using quadrupled autologous hamstring tendon: a randomised clinical trial. Journal of Bone and Joint Surgery. 2013;95:65-69.10.1302/0301-620X.95B1.30487]Search in Google Scholar
[14. Vadalà A, Iorio R, De Carli A. Platelet-rich plasma: does it help reduce tunnel widening after ACL reconstruction? Knee Surg Sports Traumatol Arthrosc. 2013;21:824-829.]Search in Google Scholar
[15. Orrego M, Larrain C, Rosales J. Effects of platelet concentrate and a bone plug on the healing of hamstring tendons in a bone tunnel. Arthroscopy. 2008;24:1373-1380.10.1016/j.arthro.2008.07.016]Search in Google Scholar
[16. de Almeida AM, Demange MK, Sobrado MF, Rodrigues MB, Pedrinelli A, Hernandez A J. Patellar tendon healing with platelet-rich plasma: a prospective randomized controlled trial. The American Journal of Sports Medicine. 2012;40:1282-1288.10.1177/0363546512441344]Search in Google Scholar
[17. Cervellin M, de Girolamo L, Bait C, Denti M, Volpi P. Autologous plateletrich plasma gel to reduce donor-site morbidity after patellar tendon graft harvesting for anterior cruciate ligament reconstruction: a randomized, controlled clinical study. Knee Surg Sports Traumatol Arthrosc. 2012;20:114-120.10.1007/s00167-011-1570-5]Search in Google Scholar
[18. Jang KM, Lim HC, Bae JH. Mesenchymal Stem Cells for Enhancing Biologic Healing after Anterior Cruciate Ligament Injuries. Curr Stem Cell Res Ther. 2015;10:535-547.10.2174/1574888X10666150528153025]Search in Google Scholar
[19. Cheng KH, Kuo TL, Kuo KK, Hsiao CC. Human adipose-derived stem cells: Isolation, characterization and current application in regeneration medicine. Genomic Med Biomarkers Health Sci. 2011;3:53-62.10.1016/j.gmbhs.2011.08.003]Search in Google Scholar
[20. Dominici M, Le blanc K, Mueller I, et al. Minimal criteria for defining multipotent mesenchymal stromal cells. The International Society for Cellular Therapy position statement. Cytotherapy. 2006;8:315-317.10.1080/14653240600855905]Search in Google Scholar
[21. Kanaya A, Deie M, Adachi N, Nishimori M, Yanada S, Ochi M. Intra-articular injection of mesenchymal stromal cells in partially torn anterior cruciate ligaments in a rat model. Arthroscopy. 2007;23:610-617.10.1016/j.arthro.2007.01.013]Search in Google Scholar
[22. Silva A, Sampaio R, Fernandes R, Pinto E. Is there a role for adult noncultivated bone marrow stem cells in ACL reconstruction? Knee Surg Sports Traumatol Arthrosc. 2014;22:66-71.]Search in Google Scholar
[23. Soon MY, Hassan A, Hui JH, Goh JC, Lee EH. An analysis of soft tissue allograft anterior cruciate ligament reconstruction in a rabbit model: a short-term study of the use of mesenchymal stem cells to enhance tendon osteointegration. Am J Sports Med. 2007;35:962-971.10.1177/0363546507300057]Search in Google Scholar
[24. Lim JK, Hui J, Li L, Thambyah A, Goh J, Lee EH. Enhancement of tendon graft osteointegration using mesenchymal stem cells in a rabbit model of anterior cruciate ligament reconstruction. Arthroscopy. 2004;20:899-910.10.1016/S0749-8063(04)00653-X]Search in Google Scholar
[25. Cheng MT, Liu CL, Chen TH, Lee OK. Comparison of potentials between stem cells isolated from human anterior cruciate ligament and bone marrow for ligament tissue engineering. Tissue Engineering—Part A. 2010;16:2237-2253.10.1089/ten.tea.2009.0664]Search in Google Scholar
[26. Proffen BL, Perrone GS, Gordon R. Bridge-Enhanced ACL Repair: A Review of the Science and the Pathway through FDA Investigational Device Approval. Ann Biomed Eng. 2015;43:805-818.10.1007/s10439-015-1257-z]Search in Google Scholar
[27. Dunn MG, Liesch JB, Tiku ML, Zawadsky JP. Development of fibroblastseeded ligament analogs for ACL reconstruction. J Biomed Mater Res. 1995;29:1363-1371.10.1002/jbm.820291107]Search in Google Scholar
[28. Bellincampi LD, Closkey RF, Prasad R, Zawadsky JP, Dunn MG. Viability of fibroblast-seeded ligament analogs after autogenous implantation. J Orthop Res. 1998;16:414-420.10.1002/jor.1100160404]Search in Google Scholar
[29. Murray MM, Spector M. The migration of cells from the ruptured human anterior cruciate ligament into collagen-glycosaminoglycan regeneration templates in vitro. Biomaterials. 2001;22:2393-2402.10.1016/S0142-9612(00)00426-9]Search in Google Scholar
[30. Panas-Perez E, Gatt CJ, Dunn MG. Development of a silk and collagen fiber scaffold for anterior cruciate ligament reconstruction. J Mater Sci Mater Med. 2013;24:257-265.10.1007/s10856-012-4781-5]Search in Google Scholar
[31. Altman GH, Horan RL, Lu HH, et al. Silk matrix for tissue engineered anterior cruciate ligaments. Biomaterials. 2002;23:4131-4141.10.1016/S0142-9612(02)00156-4]Search in Google Scholar
[32. Fan H, Liu H, Toh SL, Goh JC. Anterior cruciate ligament regeneration using mesenchymal stem cells and silk scaffold in large animal model. Biomaterials. 2009;30:4967-4977.10.1016/j.biomaterials.2009.05.04819539988]Search in Google Scholar
[33. Cardwell RD, Dahlgren LA, Goldstein AS. Electrospun fibre diameter, not alignment, affects mesenchymal stem cell differentiation into the tendon/ligament lineage. J Tissue Eng Regen Med. 2014;8:937-945.10.1002/term.158923038413]Search in Google Scholar