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1.
Arq. bras. med. vet. zootec ; 66(4): 995-1002, 08/2014. graf
Article in Portuguese | LILACS | ID: lil-722569

ABSTRACT

Com este trabalho objetivou-se avaliar o processo de cicatrização do tendão em coelhos, utilizando-se no grupo tratamento o filme de quitosana, por meio de uma análise clínico-cirúrgica e histológica. Foram utilizados 12 coelhos adultos, separados em grupo controle (GC) e grupo tratamento (GT), nos quais se realizou uma secção parcial do tendão gastrocnêmio de ambos os membros pélvicos. A avaliação clínica baseou-se na presença de reação inflamatória, infecção, dor e deiscência da sutura. Para a avaliação histológica, foi realizado um estudo comparativo do processo cicatricial por meio do tipo de células, da quantidade de tecido conjuntivo e da organização das fibras colágenas entre os grupos e os momentos. Nas feridas cirúrgicas, não foram observadas secreção, dor ou deiscência. Na histologia comparativa entre os grupos, o GC apresentou melhor processo cicatricial em relação ao GT, aos 60 dias. Aos 90 dias, no GT a cicatrização já esboça recuperação do tendão, com reorganização da celularidade e das fibras colágenas no tecido conjuntivo denso modelado. Concluiu-se que a quitosana estimula rápido crescimento celular, mas de forma desorganizada, e que a cicatrização completa só ocorre após 90 dias da sua implantação no tecido...


This work aimed to evaluate the process of tendon healing in rabbits, using the treatment group in chitosan film through a clinical, surgical and histological analysis. In the experiment, 12 adult rabbits were used, divided into control group (CG) and treatment group (TG), which were held in the partial section of the gastrocnemius tendon of both limbs. Clinical assessment was based on the presence of inflammation, infection, pain and suture dehiscence. For histological evaluation a comparative study of the healing process through the cell type, amount of connective tissue and collagen fiber organization was performed between groups and times. In surgical wounds no secretion, pain or dehiscence were observed. In the comparative histology between groups, the CG showed better healing compared to TG, at 60 days. On day 90 the TG already outlines tendon recovery with reorganization of cellularity and collagen fibers in the dense connective tissue modeled. It was concluded that chitosan stimulates faster cell growth, but it is haphazardly, and that complete healing occurs after 90 days of their implantation in tissue...


Subject(s)
Animals , Rabbits/injuries , Pelvis/injuries , Chitosan/therapeutic use , Regeneration , Tendon Injuries/rehabilitation , Tissue Adhesives/therapeutic use , Biocompatible Materials
2.
Arq. bras. med. vet. zootec ; 63(1): 61-66, Feb. 2011. ilus
Article in Portuguese | LILACS | ID: lil-582325

ABSTRACT

Relatou-se a ocorrência de fratura patelar associada à ruptura do tendão patelar em um cão sem raça definida, macho, atendido em um hospital veterinário escola. A técnica utilizada foi a combinação de fixação óssea com fio de Kirschner e aplicação de banda de tensão, recomendada em fraturas transversais da patela. Para reparar a lesão do tendão patelar, realizou-se a sutura tipo Kessler modificada com fio de náilon 0,80mm. No retorno do paciente, 150 dias após o procedimento cirúrgico, havia processo cicatricial ósseo avançado da patela. Concluiu-se que as medidas adotadas para reparação da lesão foram eficazes.


It is reported the occurrence of patellar fracture associated with rupture of the patellar tendon in a mongrel male dog referred to a Teaching Veterinary Hospital. The used technique was the combination of bone fixation with Kirschner wire and application of tension band recommended in most transverse fractures of the patella. To repair the damage to the patellar tendon, the modified Kessler suture with nylon 0.80mm was performed. When the patient returned 150 days after surgery, advanced bone healing process was observed in patella. It was concluded that the measures taken to repair the injury were effective.


Subject(s)
Animals , Dogs/classification , Fractures, Bone , Patella/anatomy & histology , Wounds and Injuries/veterinary , Rupture/complications , Tendons/anatomy & histology
3.
Arq. bras. med. vet. zootec ; 62(5): 1285-1287, out. 2010. ilus
Article in Portuguese | LILACS | ID: lil-570494

ABSTRACT

The occurrence of Hepatozoon spp. in the blood cells of captive Boa constritor in captivity in the semi-arid of the Rio Grande do Norte State, Brazil, was analyzed. Blood samples from Geochelone carbonaria (n = 6), Geochelone denticulata (n = 4), Boa Constrictor (n = 7), and Tupinanbis teguixim (n = 10) were used. All snakes presented Hepatozoon spp. in their blood cells, and few erythrocytes were infected. G. carbonaria, G. denticulate, and T. teguixim were negative for Hepatozoon spp. gametocytes research. This is the first report of the occurrence of Hepatozoon spp. in captive B. constritor in the studied area.


Subject(s)
Animals , Snakes/parasitology , Snakes/blood , Diagnosis , Microscopy
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