shrimp diet and skin healing strength in rats dieta com camarão e resistência cicatricial da pele, em ratos

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ID: 182394
2007
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Abstract
OBJECTIVE: Surgical scar tensile strength may be influenced by several factors such as drugs, hormones and diet. The purpose of the present study was to determine the influence of a shrimp-enriched diet on the tensile strength of rat scars. METHODS: Forty male Wistar rats were submitted to a 4 cm dorsal skin incision and the wounds were sutured with 5-0 nylon interrupted suture. The animals were divided into two groups: Group 1 (control) received a regular diet, and Group 2 (experimental) received a shrimp-enriched diet. The two diets contained the same amounts of proteins, lipids and carbohydrates. The rats in each group were divided into two subgroups according to the time of assessment of the scar tensile strength: subgroup A, studied on the 5th postoperative day, and subgroup B, studied on the 21st postoperative day. RESULTS: The tensile strength of the scar on the 5th postoperative day was lower in the animals that received the shrimp-enriched-diet (303.0, standard error of mean= 34.1) than in the control group (460.1, SEM = 56.7) (p<0.05). CONCLUSION: A shrimp diet reduces the tensile strength of the scar. The next step of this study will be to clarify the mechanism in which shrimp affects tensile strength.
OBJETIVO: A resistência cicatricial da pele pode ser influenciada por diversos fatores como medicamentos, hormônios e dieta. Este trabalho foi delineado para determinar a influência da dieta com camarão na resistência cicatricial na pele. MÉTODOS: Quarenta ratos machos Wistar foram submetidos a incisão (4cm) e suturas interrompidas da pele dorsal, com fio de nylon 5-0, e foram divididos em dois grupos: o Grupo 1 (controle) recebeu uma dieta convencional e Grupo 2 (experimental), recebeu dieta com adição de com camarão. As duas dietas continham quantidades semelhantes de proteína, lipídeos, e carboidratos. Os ratos de cada grupo foram divididos em dois subgrupos de acordo com os distintos períodos pós-operatórios de avaliação da resistência tecidual: subgrupo A, estudado no 5° dia pós-operatório, e subgrupo B, estudado no 21° dia pós-operatório. RESULTADOS: A resistência cicatricial da pele no 5° dia pós-operatório foi menor nos animais que receberam dieta suplementada com camarão (303,0, erro padrão da média=34,1), quando comparada ao grupo controle (460,1, erro padrão=56,7) (p<0,05). CONCLUSÃO: A dieta suplementada com camarão reduziu a resistência cicatricial da pele de ratos. Dando continuidade ao estudo, será averiguado o mecanismo pelo qual ocorre essa redução.
Reference Key
borges2007revistashrimp Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Elizabeth Lage Borges;Fernanda Kelley Silva Pereira;Jacqueline Isaura Alvarez-Leite;Luiz Ronaldo Alberti;Mônica Alves Neves Diniz Ferreira;Andy Petroianu
Journal statistics
Year 2007
DOI
10.1590/S1415-52732007000300004
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-52732007000300004
Keywords
wound healing diet eating foods and food supply

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