Results: 43

Actualización en abuso de drogas por vía nasal

La vía nasal, ya sea mediante la inhalación o aspiración, se ha convertido en una ruta atractiva para quienes abusan de sustancias, principalmente por la fácil accesibilidad y la rápida absorción sistémica, además de evitar las consecuencias asociadas al uso de drogas intravenosas (enfermedades d...

Maternal administration of cannabidiol promotes an anti-inflammatory effect on the intestinal wall in a gastroschisis rat model

Braz. j. med. biol. res; 51 (5), 2018
Gastroschisis (GS) is an abdominal wall defect that results in histological and morphological changes leading to intestinal motility perturbation and impaired absorption of nutrients. Due to its anti-inflammatory, antioxidant, and neuroprotective effects, cannabidiol (CBD) has been used as a therapeutic ...

Óxido nítrico y estrés oxidativo en la retinopatíadiabética

El estrés oxidativo está implicado en las complicaciones de la diabetes mellitus, como la retinopatía. En condiciones de hiperglucemia se incrementan los niveles de óxido nítrico y de anión superóxido, y se produce daño irreversible a biomoléculas. En este estudio se evaluaron los niveles urinar...

Chronic effects of nitrogenous compounds on survival and growth of juvenile pink shrimp

Braz. j. biol; 77 (3), 2017
Abstract In response to growing worldwide market demand, intensive shrimp farming, based on high feed, has developed over the past decade. The nitrogenous compounds mainly generated by animal excretion can cause deterioration of water quality and produce chronic or even acute toxicity to aquatic animals....

Mitochondria-rich cells changes induced by nitrite exposure in tambaqui (Colossoma macropomum Cuvier, 1818)

An. acad. bras. ciênc; 89 (2), 2017
ABSTRACT The gill mitochondria-rich cells of the juvenile Amazonian fish Colossoma macropomum were analyzed using light and scanning and transmission electron microscopy after 96 h exposure to 0.04 and 0.2 mM nitrite. Although the number of mitochondria-rich cells decreased significantly in the lamellar ...

Aerobic Swim Training Restores Aortic Endothelial Function by Decreasing Superoxide Levels in Spontaneously Hypertensive Rats

Clinics; 72 (5), 2017
OBJECTIVE: We aimed to determine whether aerobic training decreases superoxide levels, increases nitric oxide levels, and improves endothelium-dependent vasodilation in the aortas of spontaneously hypertensive rats. METHODS: Spontaneously hypertensive rats (SHR) and Wistar Kyoto rats (WKY) were distribu...

Performance of the dipstick screening test as a predictor of negative urine culture

Einstein (Säo Paulo); 15 (1), 2017
ABSTRACT Objective To investigate whether the urine dipstick screening test can be used to predict urine culture results. Methods A retrospective study conducted between January and December 2014 based on data from 8,587 patients with a medical order for urine dipstick test, urine sediment analysis a...

Effects of crocin on brain oxidative damage and aversive memory in a 6-OHDA model of Parkinson's disease

Arq. neuropsiquiatr; 74 (9), 2016
ABSTRACT The purpose of the present study was to investigate the effect of crocin on brain oxidative damage and memory deficits in a 6-hydroxydopamine (6-OHDA) model of Parkinson’s disease. Male Wistar rats were subjected to unilateral injection of 6-OHDA (16 µg) into the medial forebrain bundle a...

Medición de nitratos y nitritos en agua y saliva de población rural precordillerana de la VIII región

Introducción: Un factor de riesgo para las neoplasias escamosas de faringe son las nitrosaminas, las que derivan de los nitratos salivales que provienen de la dieta y en especial del agua si los niveles están por sobre la norma. Objetivos: Conocer y comparar los niveles de nitratos y nitritos en agua y...

Análise comparativa entre a queixa clínica, parcial de urina e urocultura no manejo da infecção de trato urinário em gestantes
Comparative analysis among clinical complaint, partially of urine and urine culture in handling in pregnant urinary infection treatment

J. bras. med; 87 (4), 2004
Bacteriúria é uma complicação relativamente comum nas gestações e pode causar baixo peso ao nascimento e prematuridade. Deve ser tratada com ou sem sintomas. Escherichia coli é o mais comum agente etiológico. Em nosso estudo selecionamos 100 gestantes com sintoms de infecção de trato urinário ...