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Kathryn Rose Owen Guy J. HinniganEllen R. Singer DCM DVSc DipACVS/ECVS MRCVS 《Journal of Equine Veterinary Science》2012
The following report documents an unusual anatomical finding in two cases of aseptic tenosynovitis of the digital flexor tendon sheath. Disruption of the vinculum attachment between the palmar/plantar border of the superficial digital flexor tendon and the adjacent palmar/plantar annular ligament was identified in combination with other tendon pathology within the digital flexor tendon sheath. This tenoscopic finding has not been described previously in the literature. 相似文献
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Deep digital flexor tenotomy is becoming increasingly popular as part of the treatment regimen for laminitis. The rationale for performing a tenotomy is based on the severity of the rotation of the third phalanx (coffin bone) in chronic laminitis cases with the goal of realigning the coffin bone relative to the ground. The procedure is safely performed in the mid-cannon bone and pastern regions. The farrier is an integral member of the treatment team in providing mechanical support to the foot after the surgical procedure. 相似文献
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Mohammad Mehdi Oloumi Dariush Vosough Amin Derakhshanfar Mohammad Hadi Nematollahi 《Journal of Equine Veterinary Science》2011,31(8):470-474
This study was carried out to evaluate the healing potential of water-soluble extract of Plantago lanceolata as a topical ointment on experimental tendinitis in burros. Tendinitis was induced by injection of 2,500 U of bacterial collagenase in the superficial digital flexor tendon of both forelimbs of six male burros. Tendinitis was confirmed ultrasonographically. 48 hours after collagenase injection, two grams of 10% P lanceolata ointment was applied on one limb (treatment group) and the same amount of eucerin (the vehicle of the ointment) on the other limb (control group), every other day for 6 weeks. Ultrasonographic examination of the tendon was performed weekly during the study and mean cross-sectional area of the superficial digital flexor tendon was measured, which was found to increase significantly after injection of collagenase in both groups. From the third week, it decreased significantly in the treatment group in comparison with the control group. At the end of the study, the animals were euthanized for histopathological study of the tendons. In control group, degenerative changes in tendon could be seen, whereas significant degree of healing was observed in the treatment group. It can thus be concluded that the P lanceolata ointment was effective in promoting the healing process of the tendon. 相似文献
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Leandro Maia MV MS Maria Vernica de Souza MV MS DS Pharmacist-Biochemical Jos Ivo Ribeiro Júnior BS MS DS Acio Carlos de Oliveira Geraldo Eleno Silveira Alves MV MS DS Larcio dos Anjos Benjamin MV MS DS Yamê Fabres Robaina Sancler Silva Bruna Mota Zandim MV Jos do Carmo Lopes Moreira MD MS 《Journal of Equine Veterinary Science》2009,29(8):618-626
This study was carried out to evaluate the effect of platelet-rich plasma (PRP) on the treatment of tendinopathy induced in the superficial digital flexor tendon (TFDS) of horses, by using histologic evaluation. Six healthy crossbred geldings aged 8 to 15 years (12 ± 3) were used. The TFDS tendinopathy was provoked in both forelimbs, by intratendinous administration of 2.5 mg collagenase (2.5 mg/mL), and this procedure was considered as the beginning of the experimental phase. At 12 days after induction of the tendinopathy, the animals were subjected to the following treatments: (1) in the lesion caused in the right superficial digital flexor tendon (PRP-treated group), 2.5 mL PRP activated with calcium chloride at 0.0125 mol/L at concentrations from 320,000 to 500,000 platelets/μL, were injected; (2) in the tendinopathy of the left SDFT (control group), 2.5 mL 0.9% saline solution was administrated. Thirty-six days after the treatments, a biopsy of the injured area was performed for histologic evaluation. In both groups, the histologic analysis showed an increase in the fibroblastic density, as well as the presence of neovascularization, lymphocytes, and plasmocytes infiltrate and tissue organization at variable intensity. In the PRP-treated group, the SDFT was more organized, with the collagen fibers and fibroblasts being better arranged on the tendon matrix. The numbers of the fibroblasts and blood vessels did not differ between the groups. Histologic evaluation 36 days after tendinopathy showed that injuries under a single PRP treatment present a more uniform and organized tissue repair when compared with the control group. 相似文献
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Stem cell therapies offer huge potential for the treatment of tendon injury in horses. However, the factors influencing clients' willingness to use these therapies have not yet been investigated. This study examines the willingness of a population of horse owners to choose stem cell therapy for the treatment of equine tendon injuries and the factors that may influence this choice including treatment cost and efficacy, veterinarian advice, client knowledge, and success stories. A short, anonymous questionnaire was delivered to a convenience sample of equine owners. Questions related to (1) respondent background; (2) prior experience with tendon injuries and their treatment; (3) willingness to use equine stem cell therapy; and (4) the importance of factors that may affect their decision to use the therapy. Responses were summarized using graphical methods and compared using Fisher exact test where appropriate. Fifty-four percent of our cohort (n = 113) reported they would be willing to use equine stem cell therapy, 6% were not willing, and 40% were unsure. When asked to rank factors that would influence their decision, scientific proof that the therapy works was ranked highest followed by veterinarian advice. This result may have been influenced by the high proportion of tertiary-educated respondents recruited in this study. This is the first reported study to investigate the willingness of a population of horse owners to use stem cell therapy for their horses. Results suggest that the majority of these equine owners may consider using stem cell therapies for their horses given a larger positive evidence base was provided for the therapy. 相似文献
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Armando de Mattos Carvalho Ana Liz Garcia Alves Patrícia Galvão Gomes de Oliveira Luis Emiliano Cisneros Álvarez Renée Laufer Amorim Carlos Alberto Hussni Elenice Deffune 《Journal of Equine Veterinary Science》2011,31(1):26-34
Superficial digital flexor tendon lesion is an important cause of lameness in equine athletes. Although numerous treatments have been described, few are effective at promoting significant improvement in the quality of the extracellular matrix. Therefore, great potential remains for recurrence and in certain cases, an abrupt end to the horse’s athletic career. Recently, several experiments have focused on the therapeutic potential of mesenchymal stem cells (MSCs) in cases of tendon lesions. This study aimed to evaluate the effect of adipose tissue-derived MSCs in the treatment of induced tendinitis of the superficial digital flexor tendon in horses by clinical, ultrasonographic, histopathological, and immunochemical analyses. Tendinitis was induced in both thoracic limbs of eight mares by administration of collagenase solution and adipose tissue was collected from the tail base for MSCs isolation and expansion, which were used during cellular therapy on only one limb 30 days after lesion induction. No differences occurred between the groups regarding the clinical and ultrasonographic analyses; however, histopathological evaluation revealed a significant improvement in tendon fiber organization and diminished inflammatory infiltrate, whereas immunohistochemical analysis showed increased expression of type I collagen in the treated group as compared with controls. The cellular therapy model implanted in this experiment promoted increased perivascular inflammatory infiltrate, fibroblastic density, neovascularization, and qualitative healing improvement of tendon extracellular matrix, in terms of fiber orientation and type I/III collagen ratio; moreover, it was considered to be a safe and viable process. 相似文献