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Platelet concentrate injection improves Achilles tendon repair in rats

Aspenberg, Per (author)
Östergötlands Läns Landsting,Linköpings universitet,Ortopedi och idrottsmedicin,Hälsouniversitetet,Ortopedkliniken Linköping
Virchenko, Olga (author)
Östergötlands Läns Landsting,Linköpings universitet,Ortopedi och idrottsmedicin,Hälsouniversitetet,Ortopedkliniken Linköping
 (creator_code:org_t)
2009-07-08
2004
English.
In: Acta Orthopaedica Scandinavica. - : Medical Journals Sweden AB. - 1745-3674 .- 1745-3682 .- 0001-6470. ; 75:1, s. 93-99
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  • Background:Blood platelets release a cocktail of growth factors when activated, some of which are thought to initiate and stimulate repair.Experiment and findings: We studied whether a platelet concentrate injection would improve Achilles tendon repair in an established rat model. The Achilles tendon was transected and a 3 mm segment removed. After 6h, a platelet concentrate was injected percutaneously into the hematoma. This increased tendon callus strength and stiffness by about 30 % after 1 week, which persisted for as long as 3 weeks after the injection. At this time, the mechanical testing indicated an improvement in material characteristics - i.e., greater maturation of the tendon callus. This was confirmed by blinded histological scoring.Interpretation: Platelet concentrate may prove useful for the treatment of Achilles tendon ruptures.

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Aspenberg, Per
Virchenko, Olga
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