Results: 5035

Guía de práctica clínica de profilaxis antibiótica en procedimientos quirúrgicos

Las infecciones del sitio quirúrgico (ISQ) son una causa común de infección intrahospitalaria(1). Se define como una infección relacionada con un procedimiento quirúrgico aquella que ocurre en o cerca de la incisión quirúrgica dentro de los 30 días del procedimiento o dentro de 90 días si se imp...

Caracterización molecular de los aislamientos de Cryptococcus neoformans de pacientes con HIV, Guayaquil, Ecuador

Biomédica (Bogotá); 37 (3), 2017
Resumen Introducción. La neurocriptococosis es una infección fúngica oportunista que representa un alto costo en vidas humanas y para la economía de los países. Sus agentes causales, las especies del complejo Cryptococcus neoformans/Cryptococcus gattii, tienen una fase sexuada y otra asexuada, cua...

Are Desensitizing Toothpastes Equally Biocompatible and Effective Against Microorganisms?

Braz. dent. j; 28 (5), 2017
Abstract The aims of this study were evaluate cytotoxicity, genotoxicity, antimicrobial activity of desensitizing toothpastes compared to a common one and the surface roughness of tooth enamel submitted to brushing with these toothpastes. Samples of three desensitizing toothpastes (Colgate Sensitive, Sen...

New perspectives on the nutritional factors influencing growth rate of Candida albicans in diabetics. An in vitro study

Mem. Inst. Oswaldo Cruz; 112 (9), 2017
BACKGROUND The link between Candida albicans and diabetes mellitus is well-acknowledged, but incompletely elucidated. OBJECTIVES The purpose of this study is to assess the growth rate of C. albicans (CA) in the presence of different concentrations of glucose and fructose, two of the main pathophysiolo...

Chronic dosing with mirtazapine does not produce sedation in rats

Objective: Sedation/somnolence are major side effects of pharmacotherapies for depression, and negatively affect long-term treatment compliance in depressed patients. Use of mirtazapine (MIR), an atypical antidepressant approved for the treatment of moderate to severe depression with comorbid anxiety dis...

TBARS and BDNF levels in newborns exposed to crack/cocaine during pregnancy: a comparative study

Objectives: To compare levels of a marker of lipid peroxidation (thiobarbituric acid reactive substances, TBARS) and brain-derived neurotrophic factor (BDNF) in umbilical cord blood (UCB) between newborns exposed to crack/cocaine in utero (exposed newborns [EN], n=57) and non-exposed newborns (NEN, n=99)...

Efecto de las nanopartículas industriales TiO 2 , SiO 2 y ZnO sobre la viabilidad celular y expresión génica en médula ósea roja de mus musculus

RESUMEN Objetivos Evaluar el efecto de las nanopartículas de ZnO, TiO2 y SiO2 sobre la viabilidad celular y la expresión génica de las interleuquinas 7 y 3 y del factor estimulante de colonias de granulocito - macrófago (GM-CSF) en Mus musculus. Materiales y métodos Se extrajo médula ósea roja...

Potential radioprotective effect of AT1 receptor antagonists against morphological and ultrastructural changes in the testes induced by ionizing radiation

Int. j. morphol; 35 (3), 2017
Radiotherapy is a source of human exposure to ionizing radiation. This pure energy causes deleterious effects on tissues, which result from oxidative stress, a phenomenon in which there is the participation of the Renin-Angiotensin System (RAS). The male genital organs are extremely radiosensitive and th...

Role of hyaluronic acid in the homeostasis and therapeutics of temporomandibular joint osteoarthritis

Int. j. morphol; 35 (3), 2017
The aim of this study was to perform a literature review regarding the role of hyaluronic acid (HA) in the homeostasis and therapeutics of temporomandibular joint (TMJ) osteoarthritis (OA). The TMJ has characteristics that give it special adaptation and recovery abilities, where HA plays a fundamental ro...

Ethanol intake and toxicity: in search of new treatments

Int. j. morphol; 35 (3), 2017
Prolonged alcohol consumption has consequences on the liver, producing necrotic precipitates and fibrosis, on the pancreas, causing the pancreatic acini to atrophy and destroying insulin-producing cells, and on the central nervous system (CNS), causing the gray and white matter in the frontal lobes of th...