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      Uso de concentrados autólogos de plaquetas como tratamiento de una fractura escapular y una lesión del plexo braquial producidas por un disparo en un caballo Translated title: Use of autologous platelet concentrates as treatment for a scapular fracture and brachial plexus nerve injury produced by a gunshot in a horse

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          Abstract

          Las heridas de bala han sido escasamente descritas en caballos. Los disparos a corta distancia suelen producir daños en tejidos blandos y fracturas conminutas. Un caso de una fractura conminuta del cuello de la escápula con lesión aguda del plexo braquial producida por una bala de 9 mm en un semental de seis años de edad es descrito. El paciente fue tratado con éxito mediante la combinación de desbridamiento quirúrgico de la región afectada e inyección local de varias dosis de concentrados autólogos de plaquetas (APC) y fisioterapia. A pesar de la fractura de la escápula y del daño en los nervios periféricos que toman al menos 18-24 meses para una recuperación completa, este paciente se recuperó satisfactoriamente en nueve meses. Estos resultados sugieren que las inyecciones de APC en combinación con fisioterapia pueden proporcionar un beneficio terapéutico en el tratamiento de lesiones agudas de tejidos blandos y fracturas óseas en caballos.

          Translated abstract

          Gunshot injuries have been scarcely reported in horses. Close-range gunshots usually produce extensive soft tissue damage and comminute fractures. A case of a comminute fracture of the neck of the scapula with acute injury of the brachial plexus produced by a 9 mm gunshot in a six year-old stallion is described. The patient was successfully treated by combining surgical debridement of the affected region and local injection of several doses of autologous platelet concentrates (APCs) and physiotherapy. Although scapular fractures and peripheral nerve damage take at least 18-24 months for full recovery, this patient reached full recuperation of the affected limb in 9 months. These results suggest that injections of APCs in combination with physiotherapy could provide a therapeutic benefit in the treatment of soft tissue acute injuries and bone fractures in horses.

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          Treatment of tendon and muscle using platelet-rich plasma.

          Tendon and muscle injuries are common in elite and weekend athletes. Treatment of these injuries in both groups is rapidly evolving. Sports medicine patients are demanding better and less invasive solutions for all types of musculoskeletal disorders. In this context, platelet-rich plasma (PRP) has emerged as a potential solution. PRP is a fraction of whole blood containing concentrated growth factors and proteins. These cytokines direct tissue healing through autocrine and paracrine effects. The number of basic science, animal, and human investigations of PRP for tendon and muscle injuries worldwide has risen sharply in recent years. These studies are helping clinicians better understand the mechanisms of PRP and are guiding novel treatment protocols. In this paper, the value of PRP as a treatment for acute or chronic tendon and muscle disorders is explored.
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            Antibacterial effect of autologous platelet gel enriched with growth factors and other active substances: an in vitro study.

            Platelet-rich plasma is a new inductive therapy which is being increasingly used for the treatment of the complications of bone healing, such as infection and nonunion. The activator for platelet-rich plasma is a mixture of thrombin and calcium chloride which produces a platelet-rich gel. We analysed the antibacterial effect of platelet-rich gel in vitro by using the platelet-rich plasma samples of 20 volunteers. In vitro laboratory susceptibility to platelet-rich gel was determined by the Kirby-Bauer disc-diffusion method. Baseline antimicrobial activity was assessed by measuring the zones of inhibition on agar plates coated with selected bacterial strains. Zones of inhibition produced by platelet-rich gel ranged between 6 mm and 24 mm (mean 9.83 mm) in diameter. Platelet-rich gel inhibited the growth of Staphylococcus aureus and was also active against Escherichia coli. There was no activity against Klebsiella pneumoniae, Enterococcus faecalis, and Pseudomonas aeruginosa. Moreover, platelet-rich gel seemed to induce the in vitro growth of Ps. aeruginosa, suggesting that it may cause an exacerbation of infections with this organism. We believe that a combination of the inductive and antimicrobial properties of platelet-rich gel can improve the treatment of infected delayed healing and nonunion.
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              Evaluation of single and double centrifugation tube methods for concentrating equine platelets.

              The aim of this study was to evaluate single and double centrifugation tube methods for concentrating equine platelets. Whole blood samples were collected from clinically normal horses and processed by use of single and double centrifugation tube methods to obtain four platelet concentrates (PCs): PC-A, PC-B, PC-C, and PC-D, which were analyzed using a flow cytometry hematology system for hemogram and additional platelet parameters (mean platelet volume, platelet distribution width, mean platelet component concentration, mean platelet component distribution width). Concentrations of transforming growth factor beta 1 (TGF-beta(1)) were determined in all the samples. Platelet concentrations for PC-A, PC-B, PC-C, and PC-D were 45%, 44%, 71%, and 21% higher, respectively, compared to the same values for citrated whole blood samples. TGF-beta(1) concentrations for PC-A, PC-B, PC-C, and PC-D were 38%, 44%, 44%, and 37% higher, respectively, compared to citrated whole blood sample values. In conclusion, the single and double centrifugation tube methods are reliable methods for concentrating equine platelets and for obtaining potentially therapeutic TGF-beta(1) levels.
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                Author and article information

                Journal
                amv
                Archivos de medicina veterinaria
                Arch. med. vet.
                Facultad de Ciencias Veterinarias, Universidad Austral de Chile (Valdivia, , Chile )
                0301-732X
                2010
                : 42
                : 3
                : 209-214
                Affiliations
                [01] Caldas orgnameUniversidad de Caldas orgdiv1Departamento de Salud Animal orgdiv2Grupo de Investigación Terapia Regenerativa Colombia carmona@ 123456ucaldas.edu.co
                [02] Bogotá orgnamePontificia Universidad Javeriana orgdiv1Departamento de Nutrición y Bioquímica Colombia
                Article
                S0301-732X2010000300013 S0301-732X(10)04200313
                0b59b762-1d57-455c-9332-8721fea74c5f

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 27, Pages: 6
                Product

                SciELO Chile

                Categories
                COMUNICACIONES

                autologous platelet concentrate,tratamiento heridas,concentrado autólogo de plaquetas,equinos,wound treatment,equine

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