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Arq. ciências saúde UNIPAR ; 23(3): [197-212], set-dez. 2019.
Article in Portuguese | LILACS | ID: biblio-1046184

ABSTRACT

Objetivou-se comparar a evolução da cicatrização de feridas cirúrgicas com cinco protocolos de tratamento através de análise planimétrica. Grupos de 12 ratos Wistar, foram alocados em cinco estudos experimentais: A- controle negativo; B- ferida cirúrgica, tratada com ultrassom terapêutico (UST) desligado ; C- ferida tratada somente com citrato de sildenafila ; D- ferida tratada com citrato de sildenafila e UST e grupo E-ferida tratada somente com UST. A evolução cicatricial foi acompanhada diariamente e avaliada por imagem fotográfica computadorizada aos sete, 14 e 21 dias. A aplicação do UST pulsado, com doses 1MHZ e 0,4Wcm2 reduziu o tempo de cicatrização epitelial em condições experimentais, favorecendo precocemente a reparação tecidual com efeitos qualitativos superiores ao tratamento com citrato de sildenafila (CS). A mensuração computacional para evolução da cicatrização de ferida dérmica mostrou-se um recurso de fácil aplicação sendo de baixo custo e eficiente para a aplicabilidade na rotina médica veterinária.


This study aimed at comparing the evolution of healing of surgical wounds with five treatment protocols through planimetric measurement. Groups of 12 Wistar rats were allocated in five experimental studies: A ­ negative control; B ­ surgical wound treated with therapeutic ultrasound turned off; C ­ surgical wound treated with sildenafil citrate; D ­ wound treated with sildenafil citrate and therapeutic ultrasound; and group E ­ wound treated only with therapeutic ultrasound. The healing progress was monitored daily and assessed by computed photographic image at seven, 14 and 21 days. It was concluded that the application of pulsated therapeutic ultrasound on surgical wounds at 1 MHz and 0.4Wcm2 doses reduces the epithelial healing time in experimental conditions, favoring the early repair of tissue with qualitative effects superior than the ones found in the treatment with sildenafil citrate (SC). The computational measurement for the evolution of the dermal wound healing proved to be an easy-to-apply resource, with a low cost and great efficiency for the applicability in the veterinary medical routine.


Subject(s)
Animals , Male , Rats , Ultrasonic Therapy , Wound Healing , Phosphodiesterase 5 Inhibitors/therapeutic use , Sildenafil Citrate/therapeutic use , Skin/injuries , Time Factors , Wounds and Injuries , Phonophoresis , Cicatrix/therapy , Rats, Wistar
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