Traumatology and Orthopedics of RussiaTraumatology and Orthopedics of Russia2311-29052542-0933Vreden National Medical Research Center of Traumatology and Orthopedics129810.21823/2311-2905-2019-25-3-67-69Comment to the Article “PRP-Therapy for Tendinopathies of Rotator Cuff and Long Head of Biceps”DokolinS. Yu.<p>Cand. Sci. (Med.), Senior Researcher</p><p>St. Petersburg</p>fake@neicon.ruKuz’minaV. I.<p>Cand. Sci. (Med.), Assistant Researcher</p><p>St. Petersburg</p>tasha_777@bk.ruVreden Russian Research Institute of Traumatology and Orthopedics1810201925367691610201916102019Copyright © ,.[1. Hoppe S., Alini M., Benneker L.M., Milz S., Boileau P., Zumstein M.A. Tenocytes of chronic rotator cuff tendon tears can be stimulated by platelet-released growth factors. J Shoulder Elbow Surg. 2013;22(3):340-349. doi: 10.1016/j.jse.2012.01.016.][2. Jo C.H., Kim J.E., Yoon K.S., Shin S. Platelet-rich plasma stimulates cell proliferation and enhances matrix gene expression and synthesis in tenocytes from human rotator cuff tendons with degenerative tears. Am J Sports Med. 2012;40(5):1035-1045. doi: 10.1177/0363546512437525.][3. Randelli P.S., Arrigoni P., Cabitza P., Volpi P., Maffulli N. Autologous platelet rich plasma for arthroscopic rotator cuff repair. A pilot study. Disabil Rehabil. 2008; 30(20-22):1584-1589. doi: 10.1080/09638280801906081.][4. Rossi L.A., Murray I.R., Chu C.R., Muschler G.F., Rodeo S.A., Piuzzi N. S. Classification systems for platelet-rich plasma. Bone Joint J. 2019;101-B:891-896. doi: 10.1302/0301-620X.101B8.BJJ -2019-0037.R1.][5. Barber F.A., Hrnack S.A., Snyder S.J., Hope O. Rotator cuff repair healing influenced by platelet-rich plasma construct augmentation. Arthroscopy. 2011;27(8):1029-1035. doi: 10.1016/j.arthro.2011.06.010.][6. Bergeson A.G., Tashjian R.Z., Greis P.E., Crim J., Stoddard G.J., Burks R.T. Effects of platelet-rich fibrin matrix on repair integrity of at-risk rotator cuff tears. Am J Sports Med. 2012;40(2):286-293. doi: 10.1177/0363546511424402.][7. Castricini R., Longo U.G., De Benedetto M., Panfoli N., Pirani P., Zini R. et al. Platelet-rich plasma augmentation for arthroscopic rotator cuff repair: a randomized controlled trial. Am J Sports Med. 2011;39(2):258-265. doi: 10.1177/0363546510390780.][8. Charousset C., Zaoui A., Bellaïche L., Piterman M. Does autologous leukocyte-platelet-rich plasma improve tendon healing in arthroscopic repair of large or massive rotator cuff tears? Arthroscopy. 2014;30(4):428-435. doi: 10.1016/j.arthro.2013.12.018.][9. Sundman E.A., Cole B.J., Fortier L.A. Growth factor and catabolic cytokine concentrations are influenced by the cellular composition of platelet-rich plasma. Am J Sports Med. 2011;39(10):2135-2140. doi: 10.1177/0363546511417792.][10. Weibrich G., Hansen T., Kleis W., Buch R., Hitzler W.E. Effect of platelet concentration in platelet-rich plasma on peri-implant bone regeneration. Bone. 2004;34(4): 665-671. doi: 10.1016/j.bone.2003.12.010.][11. Sherwood L. Human Physiology: From Cells to Systems. 7th ed. Belmont (CA ): Brooks/Cole; 2010, p. 15. 12. Scott A., Khan K.M., Roberts C.R., Cook J.L., Duronio V. What do we mean by the term “inflammation?” A contemporary basic science update for sports medicine. Br J Sports Med. 2004;38(3):372-380. doi: 10.1136/bjsm.2004.011312.]