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Стоматология и косметология от профессора Ахмерова

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Открыта: 11-02-2012

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Стоматология и косметология от профессора Ахмерова - Can Platelet-Rich Plasma Protect Rat Achilles Tendons...


Рассылка новостей "Стоматология и косметология от профессора Ахмерова"
www.doctor-akhmerov.ru/

 

Выпуск No 128 от 2016-05-22

 

Can Platelet-Rich Plasma Protect Rat Achilles Tendons From the Deleterious Effects of Triamcinolone Acetonide?

Muto T1, Kokubu T1, Mifune Y1, Inui A1, Sakata R1, Harada Y1, Takase F1, Ueda Y1, Kuroda R1, Kurosaka M1.

Abstract

BACKGROUND:

Triamcinolone acetonide (TA) injections are widely used for tendinitis but have deleterious effects, including tendon degeneration or tendon rupture.

PURPOSE:

To investigate whether adding platelet-rich plasma (PRP), a blood fraction that participates in tissue repair processes, to TA can prevent its deleterious effects.

STUDY DESIGN:

Controlled laboratory study.

METHODS:

Rat Achilles tendons were injected with TA, TA + PRP, PRP alone, or saline (control). Biomechanical testing and histological analyses were performed on Achilles tendons 1 week after injections.

RESULTS:

The maximum failure loads in the control, TA, TA + PRP, and PRP groups were 31.7 ± 2.3, 19.0 ± 3.6, 31.0 ± 7.1, and 30.2 ± 6.8 N, respectively. The tendon stiffness in the control, TA, TA + PRP, and PRP groups was 12.1 ± 1.8, 7.5 ± 1.8, 11.0 ± 2.8, and 11.3 ± 2.5 N/mm, respectively. The maximum failure load and stiffness were significantly lower in the TA group compared with the other 3 groups. There was no significant difference between the TA + PRP and control groups. Cell invasions, vacuolation, collagen attenuation, and increased type III collagen expression were histologically observed in the TA group; however, these changes were prevented by the simultaneous administration of PRP.

CONCLUSION:

Administering PRP may prevent deleterious effects caused by TA; therefore, PRP may be used as a protective agent in clinical situations.

CLINICAL RELEVANCE:

PRP can be useful as a protective agent for sports injury patients receiving local corticosteroid injections.

http://doctor-akhmerov.ru/articles/8749281/


 
 

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