Table 1 Common Platelet-rich Therapy Preparation Systems. |
System |
Volume Of Blood (mL) |
Centrifuge Time/Speed |
Final PRP Volume (mL) |
Final Platelet Concentration (compared with average) |
Activator |
Level of Growth Factors (compared with average) |
Autologous Conditioned Plasma (Arthrex, Naples, FL)† |
9 |
5 min/1,500 rpm |
3-5 |
2-3x |
None |
PDGF (25x) EGF (5x) VEGF (11x) TGF-β1 (4x) IGF-1 (1x) |
Cascade (Musculoskeletal Tissue Foundation, Edison, NJ)‡ |
9 or 18 |
First: 6 min/1,100g; Second: 15 min/ 1,450g |
2 or 4 |
N/A |
Calcium (forms a suturable clot for intraoperative use) |
PDGF (N/A) EGF (5-10x) VEGF (5-10x) TGF-β1 (5-10x) IGF-1 (5-10x) |
GPS III (Biomet, Warsaw, IN)§ |
27 or 54 |
15 min/1,900g |
3 or 6 |
4-8x |
Calcium chloride/ thrombin |
PDGF (N/A) EGF (3.9x) VEGF (6.2x) TGF-β1 (3.6x) IGF-1 (1x) |
SmartPReP (Harvest Technologies, Plymouth, MA)†– |
20 or 60 |
14 min/1,000g |
3 or 7 |
4.4-7.6x |
Thrombin |
PDGF (4.4×) EGF (4.4×) VEGF (4.4×) TGF-β1 (4.4×) IGF-1 (N/A) |
|
* Information obtained from product manufacturers (platelet and growth factor concentration obtained from unpublished company data for all products listed except for Biomet GPS III [Eppley et al.]) |
† Arthrex: https://www.arthrex.com/innovations/index.cfm?adid=28&CFID=2168033&CFTOKEN=63754575 |
‡ Musculoskeletal Tissue Foundation: http://platelettherapy.com/ |
§ Biomet: http://www.biomet.com/biologics/information/pdf/BBI0003.0.pdf |
†– Harvest Technologies: http://www.harvesttech.com/products/smartprepmain.html |
EGF = epidermal growth factor, IGF-1 = insulin-like growth factor-1, N/A = not available, PDGF = platelet-derived growth factor |
PRP = platelet-rich plasma |
TGF-β1 = transforming growth factor-β1 |
VEGF = vascular endothelial growth factor |
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