Pele de Rana Catesbeiana como curativo biológico oclusivo no tratamento de feridas cutâneas produzidas em cães: Alterações macroscópicas e microscópicas resultantes da interação desses tecidos. Estudo preliminar



Título del documento: Pele de Rana Catesbeiana como curativo biológico oclusivo no tratamento de feridas cutâneas produzidas em cães: Alterações macroscópicas e microscópicas resultantes da interação desses tecidos. Estudo preliminar
Revue: Acta cirurgica brasileira
Base de datos: PERIÓDICA
Número de sistema: 000286083
ISSN: 0102-8650
Autores: 1
1
2
3
Instituciones: 1Universidade Federal de Pernambuco, Departamento de Patologia, Recife, Pernambuco. Brasil
2Universidade Federal de Pernambuco, Departamento de Cirurgia, Recife, Pernambuco. Brasil
3Universidade Federal Rural de Pernambuco, Departamento de Medicina Veterinaria, Recife, Pernambuco. Brasil
Año:
Periodo: May
Volumen: 17
Número: 3
Paginación: 151-159
País: Brasil
Idioma: Portugués
Tipo de documento: Artículo
Enfoque: Experimental
Resumen en inglés Objective: To study the effect of frog skin as occlusive dressing on cutaneous wounds. Methods: Fifteen mongrel dogs, of both sexes, weighing 9.45 ± 2.62 kg, under general anesthesia, were submitted to 34 square shaped skin lesions, with 400 mm² of area, on both right and left thoracodorsal surfaces. After defrosting, Rana catesbeiana skins preserved in a ClNa and glycerol solution at --4ºC were used as biological occlusive dressing on 17 lesion located in the right thoracodorsal region (Test Group). The 17 lesions on the left thoracodorsal side were treated with gauze moistened in a 0.9% ClNa solution (Control Group). The frequency of healed (HW) and non-healed wounds (NHW), and the incidence of frog skin destruction, were analyzed. Five sequences of frog skin samples were histologically examined till tissue destruction started to appear. Inflammatory histological findings were evaluated by percentage of intensity of Polymorphonuclear cells (PPMNC), Mononuclear cells (PMC), and lymphoreticular infiltration (PLI). Two tailed Student's t test and chi square test (chi²) were used as indicated. Results: 1) There was no significant difference in HW and NHW between Groups; 2) There was a 31.00% incidence of frog skin destruction limited to the surface in contact with dog wounds. An increased tendency of destruction was perceived during the studied period; 3) Histological changes of frog skin, characterized by tissue infiltration mainly from mononuclear cells, and by destruction of Malpighi and subjacent layers, were observed at the surface, limited to the wound contact area; 4) PPMNC values attained were not statistically different between groups. In the Test Group PM prevailed and PLI was exclusively seen. Conclusion: Frog skin is ineffective in treatment of canine cutaneous wounds and rejection was suggested as a causative factor
Resumen en portugués constituído sobretudo por mononucleares, bem como por destruição das camadas de Malpighi e subjacentes, foram observadas na área de contato com a ferida canina; 4) Os valores do PPMN não foram estatisticamente diferentes entre os grupos. Prevalência do PM e exclusividade do PIL no Grupo Teste foram verificadas. Conclusão: A pele de rã não é efetiva no tratamento de feridas caninas e a rejeição foi sugerida como um fator causal
Disciplinas: Medicina,
Medicina veterinaria y zootecnia
Palabras clave: Cirugía,
Terapéutica y rehabilitación,
Medicina veterinaria,
Heridas,
Piel,
Cicatrización,
Perros,
Apósitos
Keyword: Medicine,
Veterinary medicine and animal husbandry,
Surgery,
Therapeutics and rehabilitation,
Veterinary medicine,
Dressings,
Skin,
Healing,
Dogs,
Wounds
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