Results: 1561

Ventral abdominal wall defect correction in rats with contaminated meshes

Acta cir. bras; 31 (10), 2016
ABSTRACT PURPOSE: To investigate whether there is a difference between Marlex(r) and Dynamesh PP-light Marlex(r) meshes, in the abdominal wall defect correction, on rats in contaminated surgical site. METHODS: Twenty-eight Wistar rats were divided into two groups of 14, and four subgroups of seven anim...

Nutritional supplementation with arginine protects radiation-induced effects. An experimental study

Acta cir. bras; 31 (10), 2016
ABSTRACT PURPOSE: To investigate the protective effect of L-arginine on the prostate (nonneoplasic) of rats with radiation-induced injury. METHODS: Twenty-nine Wistar rats, male adult, allocated into three groups: Control group (C) was not exposed to irradiation (n=10); Radiated group (R) had undergone...

Is the combination of fat grafts and platelet rich plasma effective in rats?

Acta cir. bras; 31 (10), 2016
ABSTRACT PURPOSE: To investigate if the association of fat grafts and platelet-rich plasma (PRP) improves graft viability in female rats. METHODS: This is an experimental, randomized and blinded study, which involved 47 rats. Fat was harvested from the inguinal region and grafted to the cranial region....

The role of oxidative stress in streptozotocin-induced diabetic nephropathy in rats

ABSTRACT Objective The objective of this study was to evaluate the role of oxidative stress in an experimental model of streptozotocin-induced diabetic nephropathy in rats. Materials and methods Wistar, adult, male rats were used in the study. Animals were divided in the following groups: Citrate (co...

Kidney ischemia and reperfunsion syndrome: effect of lidocaine and local postconditioning

Rev. Col. Bras. Cir; 43 (5), 2016
ABSTRACT Objective: to evaluate the effects of blocking the regulation of vascular tone on the ischemia and reperfusion syndrome in rats through the use of lidocaine in the postconditioning technique. Methods: we randomized 35 rats into seven groups of five animals: Group 1- Control; Group 2- Ischemia ...

Produto a base de yacon e modulação da microbiota, perfil de ácidos graxo e lipídico em ratas ovariectomizadas

Rev. Nutr. (Online); 29 (5), 2016
RESUMO Objetivo: Este trabalho avaliou a modulação da microbiota gastrointestinal, do perfil de ácidos orgânicos e de lipídeos em ratas Wistar ovariectomizadas, sendo que algumas receberam dieta suplementada com 6% de fruto-oligossacarídeos e inulina, a partir do produto a base de yacon, e outras ...

Comparative immunohistochemical assessment of the effect of repetitive anesthesia with isoflurane and sevoflurane on rat liver

Rev. bras. anestesiol; 66 (5), 2016
Abstract Background and objectives: Inhalation anesthetics are used in human, as well as veterinary medical practice. In the present study we investigated the effect of isoflurane and sevoflurane on rat hepatocytes. Methods: A total of 40 Wistar female rats were used in this study. Animals were divided...

The effects of memantine on recovery, cognitive functions, and pain after propofol anesthesia

Rev. bras. anestesiol; 66 (5), 2016
Abstract Objectives: Postoperative cognitive dysfunction refers to the problems associated with thought and memory that are often experienced after major surgery. The aim of this study is to evaluate the effects of intraperitoneally administered memantine on recovery, cognitive functions, and pain after...

The influence of growth factors on skin wound healing in rats

ABSTRACT INTRODUCTION: Healing is a process that restores the physical integrity of body structures. It is a dynamic, complex, multicellular process that involves the extracellular matrix, cytokines, blood cells, and growth factors. Growth factors are proteins that activate and stimulate cell proliferat...

Efeitos da terapia fotodinâmica com aluminio – cloro ftalocianina sobre a peroxidação lipídica e produtos antioxidantes em tecidos inflamados animais
Effects of Photodynamic therapy aluminum - chloro phthalocyanine on lipid peroxidation products and antioxidant in animal tissues inflamed

A terapia fotodinâmica (TFD) envolve a administração de um agente fotossensibilizador (FS) seguida pela aplicação do laser, com comprimento de onda adequado, resultando em uma sequência de processos fotoquímicos e fotobiológicos, que geram espécies reativas de oxigênio (EROs). Este estudo avali...