نتایج جستجو برای: vascular tone
تعداد نتایج: 244160 فیلتر نتایج به سال:
AIMS Altered blood flow affects vascular tone, attracts inflammatory cells, and leads to microvascular remodelling. We tested the hypothesis that inflammation facilitates the remodelling response, but that vascular tone determines its direction (inward or outward). METHODS AND RESULTS Mouse mesenteric resistance arteries were ligated to create either increased blood flow or low blood flow in ...
One of the primary cardiovascular adjustments to hyperthermia is a sympathetically mediated increase in vascular resistance in the viscera. Nonneural factors such as a change in vascular tone or reactivity may also contribute to this response. Therefore, the aim of this study was to determine whether vascular smooth muscle tone is altered during heating to physiologically relevant temperatures ...
This paper reviews the effects of pulmonary artery hypertension on gas exchange by exploring three different issues, namely: 1) how does gas exchange behave in diseases characterized by increased vascular tone (primary pulmonary hypertension (PPH), chronic obstructive pulmonary disease (COPD) and interstitial pulmonary fibrosis (IPF)) or decreased vascular tone ("hepatopulmonary syndrome"); 2) ...
Essential hypertension is characterized by increased peripheral vascular resistance to blood flow. The endothelium is a crucial regulator of vascular tone. Its function is impaired in patients with hypertension, with reduced vasodilation, increased vascular tone associated with a proinflammatory and prothrombotic state. Low-grade inflammation localized in vascular tissue is therefore recognized...
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