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J Tissue Viability ; 28(3): 161-166, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-31128964

RESUMO

OBJECTIVE: The aim of this study was to evaluate the impact of High Voltage Pulsed Current (HVPC) on the integration of total skin grafts in rats submitted to nicotine action. MATERIALS AND METHODS: For this purpose, 60 adult Wistar rats randomly distributed in 6 groups of 10 animals were analyzed. The electrical stimulation (anodic and cathodic stimulation, motor level, 30 min at 10 Hz; minimum voltage 20 µs and 100 µs pulse interval) was applied for seven days, starting on the third day after surgery and after the dressing was removed from the graft. RESULTS: Anodic HVPC promoted greater graft integration, demonstrating a lower percentage of tissue contraction, a lower number of inflammatory infiltrates and a greater amount of vascular endothelial growth factor (VEGF), as well as a higher number of newly formed blood vessels. CONCLUSIONS: HVPC can positively influence the integration of skin grafts in nicotine-treated rats. anodic HVPC is shown to promote greater integration in relation to a lower percentage of tissue contraction, a lower number of inflammatory infiltrates and a greater amount of vascular endothelial growth factor and newformed blood vessels. Whereas, the cathodic polarity has presented smaller amount of tissue gap.


Assuntos
Terapia por Estimulação Elétrica/normas , Nicotina/efeitos adversos , Transplante de Pele/normas , Análise de Variância , Animais , Modelos Animais de Doenças , Terapia por Estimulação Elétrica/métodos , Terapia por Estimulação Elétrica/estatística & dados numéricos , Masculino , Nicotina/uso terapêutico , Ratos , Ratos Wistar/lesões , Transplante de Pele/métodos , Cicatrização/efeitos dos fármacos , Cicatrização/fisiologia
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