نتایج جستجو برای: aggressive hydration
تعداد نتایج: 73218 فیلتر نتایج به سال:
BACKGROUND Contrast-induced nephropathy (CIN) is the third most common cause of hospital-acquired kidney injury and is related to increased long-term morbidity and mortality. Adequate intravenous (IV) hydration has been demonstrated to lessen its occurrence. Oral (PO) hydration with water is inexpensive and readily available but its role for CIN prevention is yet to be determined. METHODS Pub...
The characteristic relaxation time τ of protein hydration water exhibits a strong hydration level h dependence. The dynamic crossover is observed when h is higher than the monolayer hydration level hc=0.2-0.25 and becomes more visible as h increases. When h is lower than hc, τ only exhibits Arrhenius behavior in the measured temperature range. The activation energy of the Arrhenius behavior is ...
There are several questions about hydration in terminal care: the discussion about whether or not, and if yes how much and by which route? Shows hydration any benefits regarding survival and symptom-control? Are there side-effects of hydration? The article tries to give an overview rather than a review over the literature of the last 10 years since there is no evidence about this topic. Three s...
The apparent molar compressibilities φK of aqueous 3-1 electrolyte solutions have been determined from ultrasound velocity and density measurements at 20 C. The values of φK have been extrapolated to infinite dilution, and the total hydration numbers Zo for investigated solutions were estimated from the data φK. A correlation between the hydration and the atomic number of elements of the Period...
BACKGROUND Articular cartilage is a solid-fluid biphasic material covering the bony ends of articulating joints. Hydration of articular cartilage is important to joint lubrication and weight-wearing. The aims of this study are to measure the altered hydration behaviour of the proteoglycan-degraded articular cartilage using high-frequency ultrasound and then to investigate the effect of proteogl...
The dynamical coupling between proteins and their hydration water is important for the understanding of macromolecular function in a cellular context. In the case of membrane proteins, the environment is heterogeneous, composed of lipids and hydration water, and the dynamical coupling might be more complex than in the case of the extensively studied soluble proteins. Here, we examine the dynami...
OBJECTIVES This study aimed to explore the hemodynamic index-guided hydration method for patients with congestive heart failure (CHF) and chronic kidney disease (CKD) to reduce the risk of contrast-induced nephropathy (CIN) and at the same time to avoid the acute heart failure. BACKGROUND Patients at moderate or high risk for CIN should receive sufficient hydration before contrast application...
PURPOSE The feasibility of Raman spectroscopy for the noninvasive assessment of axial corneal hydration was investigated. METHODS A scanning confocal Raman spectroscopy system, with an axial resolution of 50 microns, was used to assess noninvasively the water (OH-bond) to protein (CH-bond) ratio as a measure of the hydration in collagen-based phantom media and rabbit corneas. RESULTS Raman ...
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