Results: 164

The effect of chronic nitric oxide inhibition on vascular reactivity and blood pressure in pregnant rats

Säo Paulo med. j; 117 (5), 1999
CONTEXT: The exact mechanism involved in changes in blood pressure and peripheral vascular resistance during pregnancy is unknown. OBJECTIVE:To evaluate the importance of endothelium-derivated relaxing factor (EDRF) and its main component, nitric oxide, in blood pressure and vascular reactivity in pregna...

Substâncias vasoativas e a modulaçäo do sistema microvascular hepático
Vasoactive substances and the modulation of the hepatic microvascular system

Objetivo. Revisão da filogênese e ontogênese hepáticas, do sistema microvascular hepático e da modulação do tônus deste sistema vascular por diferentes substâncias vasoativas. Método. Levantamento de artigos por meio do sistema Medline e consulta a livros-texto. Resultado. Foram selecionados 52...

The relationship of host immune cells, cytokine and nitric oxide production to tumor cells in ovarian carcinoma

Säo Paulo med. j; 117 (2), 1999
This brief review focuses on the current understanding of the complex relationship of tumor-associated mononuclear cells (TAMs) with neoplastic cells, summarizing their immunological efficiency, cytokine profile and production of nutric oxide (NO) in the tumor microenvironment, with current insights on h...

Inhaled nitric oxide and high concentrations of oxygen in pediatrics patients with congenital cardiopathy and pulmonary hypertension: report of five cases

Säo Paulo med. j; 116 (1), 1998
Five patients with ages ranging from 6 months to 3 years were analyzed. All received inhaled nitric oxide (NO - 20 parts per million (ppm)) and oxygen (O2 - at a concentration of 90-95 percent) by means of an oxygen hood. Mean Pulmonary Artery Pressure (MPAP), Mean Aortic Pressure (MAoP), Pulmonary Vascu...