نتایج جستجو برای: filtration index
تعداد نتایج: 431912 فیلتر نتایج به سال:
We present a new index for approximate string matching. The index collects text q-samples, that is, disjoint text substrings of length q, at fixed intervals and stores their positions. At search time, part of the text is filtered out by noticing that any occurrence of the pattern must be reflected in the presence of some text q-samples that match approximately inside the pattern. Hence the inde...
Filtration of the drilling mud is one of it's most important parameters, especially when drilling-in producing formation. Decrease of filtration characteristics allows reducing both solid and liquid phases's penetration zone into the formation. The study of the effect of the weighting-bridging agent's fractional composition on the filtration rate allows selecting of optimal composition of the s...
CONTEXT A predictive index for renal replacement therapy (RRT; hemodialysis or continuous venovenous hemodiafiltration) after cardiac surgery may improve clinical decision making and research design. OBJECTIVES To develop a predictive index for RRT using preoperative information. DESIGN, SETTING, AND PARTICIPANTS Retrospective cohort of 20 131 cardiac surgery patients at 2 hospitals in Onta...
Hypercapnic acidosis (HCA) has beneficial effects in experimental models of lung injury by attenuating inflammation and decreasing pulmonary edema. However, HCA increases pulmonary vascular pressure that will increase fluid filtration and worsen edema development. To reconcile these disparate effects, we tested the hypothesis that HCA inhibits endothelial mechanotransduction and protects agains...
BACKGROUND Although much is known about the management of peripheral arterial disease among adults in the general population, the management of this disease among those with diabetes, and the effects of diabetic-induced peripheral arterial disease on objectively-measured physical activity, is unclear. Here, we examined the association between accelerometer-assessed physical activity and periphe...
A reliable assessment of glomerular filtration rate (GFR) is of paramount importance in clinical practice as well as epidemiological and clinical research settings. It is recommended by Kidney Disease: Improving Global Outcomes guidelines in specific populations (anorectic, cirrhotic, obese, renal and non-renal transplant patients) where estimation equations are unreliable. Measured GFR is the ...
Relationship between Intra-renal Arterial Resistance Index (RI) and Albuminuria in Diabetic Patients
OBJECTIVE: Diabetic nephropathy is a major diabetes complication. Arterial resistance index (RI) may predict deterioration in kidney function. This study was designed to compare renal arterial RI in different stages of renal function according to glomerular filtration rate (GFR), serum creatinine level and proteinuria. MATERIALS AND METHODS: In a cross-sectional study on 81 diabetic patients i...
Drugs and the elderly H A Bird Rheumatologists unhesitatingly prescribe drugs for their patients, who are often elderly, living as we do in an era blessed with increasing longevity. Prudent prescribers will follow the cautionary guidelines on reduced dosing in the elderly offered in a variety of national formularies and textbooks. Fewer doctors will understand pharmacokinetics and pharmacodynam...
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