نتایج جستجو برای: pulmonary arterial hypertension
تعداد نتایج: 441825 فیلتر نتایج به سال:
We previously demonstrated augmented endothelium-derived nitric oxide (EDNO)-dependent pulmonary arterial dilation and increased arterial endothelial nitric oxide synthase (eNOS) levels in chronic hypoxic (CH) and monocrotaline (nonhypoxic) models of pulmonary arterial hypertension. Therefore, we hypothesized that the long-term elevation of arterial eNOS levels associated with CH is related to ...
Pulmonary arterial hypertension (PAH) is a rare disease characterised by vascular remodelling of the small lung arteries leading to a decrease of the vessel lumen and eventually to occlusion. According to the current guidelines, PAH is defined by a pulmonary arterial pressure ≥ 25 mmHg, an arterial wedge pressure ≤ 15 mmHg, and an elevated pulmonary vascular resistance (PVR > 3 WU). The current...
cytometry analysis of BAL cells. Table 1 integrates information given in our published paper, clearly demonstrating that the number of BAL neutrophils was fair in our case series. This unfortunately prevented a definitive evaluation of whether polymorph nucleates represent a source of IL-17. Nonetheless, as shown in figure 1, in selected cases with a significant number of BAL neutrophils (two s...
The purpose of this study was to determine the site of increased resistance using the arterial occlusion technique in patients with severe pulmonary hypertension. Pulmonary vascular resistance was partitioned in arterial and venous components based on double exponential fitting analysis of the pulmonary artery pressure decay curve: after balloon occlusion in 36 patients with pulmonary arterial ...
Pulmonary arterial hypertension affects the distal pulmonary vasculature causing intimal, medial, adventitial fibrosis, thickening and periadventitial changes leading to progressive increase in pulmonary vascular resistance and pulmonary arterial pressure [1]. Pulmonary hypertension (PH) is defined as mean pulmonary artery pressure equal to or greater than 25 mm Hg at rest. PH is classified int...
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