期刊
JOURNAL OF EQUINE VETERINARY SCIENCE
卷 27, 期 4, 页码 167-170出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jevs.2007.02.007
关键词
osteoarthritis; equine autologous platelet concentrates; growth factors; transforming growth factor beta-1 (TGF-beta(1))
The clinical effect of the intra-articular injection of an autologous platelet concentrate (PC) in four horses with osteoarthritis was evaluated. The degree of lameness and joint effusion and clinical follow-up were recorded. Three injections of PC were performed at 2-week intervals. Horses were evaluated before each injection and two months after the last treatment. Clinical follow-up was conducted for 1 year. Count of platelets, leukocytes, and determination of transforming growth factor beta-1 (TGF-beta(1)) levels per millilitre PC were performed, as well as leokocyte count, cytology, and protein levels in synovial fluid. PC produced a statistically significant improvement in both the degree of lameness and joint effusion (P < .05). The most marked improvement was observed 2 months after the last treatment and apparently persisted for 8 months. A mean of 250 +/- 71.8 x 10(6) platelets, 8.68 +/- 3.78 leukocytes x 10(6), and 12,515 +/- 2,443 pg of TGF-beta(1) per millilitre PC were obtained. The evaluated synovial fluid parameters remained between normal values. No adverse clinical signs resulted from this treatment. Despite the seemingly positive effects of this treatment. Despite the seemingly positive effects of the substance, the clinical use of PC cannot be recommended until further studies with higher numbers of cases and longer follow-up can be undertaken.
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