نتایج جستجو برای: radial stiffness
تعداد نتایج: 103764 فیلتر نتایج به سال:
BACKGROUND The association between hypothyroidism and increased vascular resistance, arterial wall thickening and endothelial dysfunction is well recognized. The aim of the present study was to examine if hypothyroid subjects have increased arterial stiffness, a risk factor for cardiovascular morbidity and mortality. METHODS Sixty-five subjects (59 females and 6 males) with normal thyroid fun...
BACKGROUND/OBJECTIVES Pre-eclampsia (PE) is associated with profound changes in the maternal cardiovascular system. The aim of the present study was to assess whether alterations in the maternal arterial stiffness precede the onset of PE in at risk women. METHODOLOGY/PRINCIPAL FINDINGS This was a cross sectional study involving 70 pregnant women with normal and 70 women with abnormal uterine ...
This study examined the effects of radial confinement and passive axial compression-induced vertical confinement, on the biomechanical, biochemical, and histological properties of self-assembled chondrocyte constructs. The self-assembled constructs, engineered without the use of an exogenous scaffold, exhibited significant increases in stiffness in the direction orthogonal to that of the confin...
BACKGROUND Increased arterial stiffness and higher plasma natriuretic peptide and homocysteine levels are associated with elevated risk for cardiovascular disease. Little is known about the relations of natriuretic peptides and homocysteine to arterial wall stiffness in the community. METHODS AND RESULTS We assessed the relations of plasma N-terminal atrial natriuretic peptide, B-type natriur...
This Note proposes a novel radial-thrust combo metal mesh foil bearing (MMFB). Although MMFBs have advantages such as higher stiffness and damping over conventional air foil bearings, studies related to MMFBs have been limited to radial MMFBs. The novel combo MMFB is composed of a radial top foil, thrust top foils, and a ring-shaped metal mesh damper--fabricated by compressing a copper wire mes...
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