1999
DOI: 10.1590/s0102-86501999000400010
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Tratamento tópico de queimaduras do dorso de ratos com ácido hialurônico

Abstract: Estudos prévios têm demonstrado que o ácido hialurônico, um glicosaminoglicano que ocorre em doses elevadas e por tempo prolongado na matriz extracelular dos tecidos em cicatrização do feto, é o responsável pelo resultado da cicatrização fetal sem marcas residuais e sem contração. O presente estudo investigou a ação tópica do ácido hialurônico em queimaduras de ratos adultos, até a epitelização completa das lesões. Foram usados 20 ratos Wistar com peso médio 225± 15g, nos quais foi provocada queimadura de 5 cm… Show more

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Cited by 14 publications
(12 citation statements)
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“…Different burn models have been presented. Methods for producing experimental burns included boiling water 6 , heated brass bar 7 , heated (130°C) aluminum plate 8 , a constant-temperature hot plate (170ªC) placed over stainless steel rods 9 and scalding over 45% of the body surface 10 . In the present study, skin burns were inflicted by transference of energy (heat) using direct conduction (Copper/skin) utilizing different increasing temperatures (100°C, 150°C and 200°C).…”
Section: Discussionmentioning
confidence: 99%
“…Different burn models have been presented. Methods for producing experimental burns included boiling water 6 , heated brass bar 7 , heated (130°C) aluminum plate 8 , a constant-temperature hot plate (170ªC) placed over stainless steel rods 9 and scalding over 45% of the body surface 10 . In the present study, skin burns were inflicted by transference of energy (heat) using direct conduction (Copper/skin) utilizing different increasing temperatures (100°C, 150°C and 200°C).…”
Section: Discussionmentioning
confidence: 99%
“…Anti-inflammatory and healing activities have been reported for other topical natural products, but only after longer periods of treatment or higher concentrations of the substance being applied. Medeiros et al [20] treated burns in rats with hyaluronic acid and reduced the cicatrizing process from 38 to 29 days. Protective effects on skin connective tissues have been reported by Speroni et al.…”
Section: Discussionmentioning
confidence: 99%
“…repair are occurring 14,15 . The percentage of inflammatory cells in each group did not vary significantly (P>0.05).…”
Section: Histopathologic Studymentioning
confidence: 99%