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Showing 1 to 20 of 75 for “"filtration rate"”.
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Evaluation of iohexol clearance to estimate glomerular filtration rate in normal horses
… certain conditions. Estimation of the glomerular filtration rate (GFR), accepted as one of the earliest and most sensitive assessments of renal function, can be determined in horses using standard techniques such as endogenous or exogenous renal creatinine clearance. These techniques can be time …
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Evaluation of Iohexol Clearance to Estimate Glomerular Filtration Rate in Normal Horse Foals
Estimation of the glomerular filtration rate (GFR), accepted as one of the earliest and most sensitive indicators of renal dysfunction, can be determined in horses using standard techniques In adult horses and foals, renal dysfunction can occur as a secondary complication to gastrointestinal …
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Changes of Glomerular Filtration Rate of Donated and Remnant Kidneys in A Week after Living Donor Kidney Transplantation
PURPOSE: In living donor kidney transplantation, the initial function of donor's kidneys will be split into the function of the donor's remnant kidney and the recipient's implanted kidney. The question whether the function of these remnant and implanted kidneys will change after donation and …
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Changes of parathyroid hormone and vitamin D metabolites according to glomerular filtration rate in chronic kidney disease patients
BACKGROUNDS: Disturbances of mineral metabolism are common during the course of chronic kidney disease (CKD) and lead to serious and debilitating complications unless these abnormalities are addressed and treated. While secondary hyperparathyroidism develops during the early stages of chronic …
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Energy balance of a laboratory population of Ostrea Edulis (L)
… 35%, were investigated. The results show that filtration rate is a power function of body size and is dependent on food concentration. The relationship between food concentration and filtration rate closely approximated a theoretical model proposed for copepods, which was therefore adapted to …
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Influence of Pregnancy on Renal Function and Feturs in Women with Underlying Renal Disease
… In the group with a preconception glomerular filtration rate exceeding 60 ㎖/min/1.73m2 (n=31) compared to the group with lower than 60 ㎖/min/1.73m2 (n=10), cases where the renal function deteriorated after delivery were three (9.7%) and five (50.0%) respectively. The group with preconception …
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Severe acute renal failure at Groote Schuur Hospital
… renal dysfunction with a reduction in glomerular filtration rate (GFR) resulting in a failure to excrete nitrogenous waste products.
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The Pharmacokinetics of Oxytetracycline in Dogs With Normal and Impaired Renal Function
… defined by the percentage of normal glomerular filtration rate (GFR), was estimated by ('125)I-iothalamate total body clearance. The pharmacokinetics of oxytetracycline (OTC) were compared before and after the induction of renal failure in three experiments: single intravenous dose (11 dogs), …
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Responses of zooplankton to variation in elemental composition of algae: Regulation at individual and ecosystem levels
… intrinsic ability to initiate behavioural (i.e. filtration rate) and/or physiological (i.e. excretion rate of digestive enzymes) responses designed to cope with dietary phosphorus (P) deficiency. This first stoichiometrically explicit model of Daphnia filtration and digestion shows that an …
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Form, function and flow in the plankton : jet propulsion and filtration by pelagic tunicates
Trade-offs between filtration rate and swimming performance among several salp species with distinct morphologies and swimming styles were compared. Small-scale particle encounter at the salp filtering apparatus was also explored. Observations and experiments were conducted at the Liquid Jungle …
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Investigation of novel biomarkers associated with renal disease
… renal function and damage (estimated glomerular filtration rate and urinary albumin to creatinine ratio). Retinal biomarkers have previously been associated with the most significant causes of chronic kidney disease (CKD), hypertension and diabetes, and the most important effect of CKD, …
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Renal tubular secretion in chronic kidney disease: description, determinants, and outcomes
… disease are currently assessed by glomerular filtration rate and urinary albumin excretion. Other kidney functions, such as proximal tubular secretion, are not typically quantified. Tubular secretion is capable of clearing metabolites from the blood more efficiently than filtration, suggesting …
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Association of variants in APOL1, MYH9 and HMOX1 WITH micro-Albuminuria among Sickle Cell disease patients from Cameroon
… MYH9 and APOL1, and between estimated Glomerular Filtration Rate (eGFR) and End Stage Kidney Disease (ESKD) with HMOX1 variants among adult African Americans affected by SCD. However, the association between these variants and micro-albuminuria, a primary indicator of renal dysfunction, has not …
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Clinico-pathological features of repeat renal biopsies in patients with lupus nephritis at Groote Schuur Hospital, Cape Town
… for the repeat biopsy (36.1%). The glomerular filtration rate and proteinuria worsened between the two biopsies (p=0.001 and 0.019) respectively suggesting disease progression. Most patients (65.4%) with a non-proliferative class of LN at first biopsy progressed into a proliferative class …
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The capacity of native fish and a freshwater mussel species to control suspended solids in wastewater stabilization ponds
… solids and algae attributable to mussel filtration were best described by semilogarithmic regression equations. Mean filtration rate of <i>E. complanata</i> ranged from 53 ml/h/mussel for colonial blue-green algae, to 134 ml/h/mussel for smaller green algae. The results of this study …
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The Effect of Nephrotomy on Renal Function and Morphology in Normal Cats
… Ten adult female cats. Methods: Glomerular filtration rate (GFR), as determined by quantitative renal scintigraphy using 99mTc-DTPA, urinalysis, urine culture, and sonographic measurement of renal size were performed pre-operatively. A left or right nephrotomy (five randomly assigned cats in …
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Acidosis and bone disease in chronic renal failure
… had a substantial reduction in glomerular filtration rate, a urine acidifying defect, and a number had clinically apparent osteomalacia. However, the association of the osteomalacia with the chronic metabolic acidosis seemed at least as strong as with the degree of uraemia, raising again …
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Development of a Design Tool for Rapid Gravity Media Filtration in Water Treatment
Filtration is the most commonly used water treatment process (Gray, 2010) and can be found at every water treatment plant in South Africa (Van Duuren, F. A., South Africa Water Research Commission., 1997). Therefore, the design, evaluation and improvement of filtration systems is (and should be) …
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Development of a simple HPLC-UV method for determination of GFR by serum iohexol clearance
The glomerular filtration rate (GFR) is considered the best indicator of kidney function. Iohexol, a contrast agent, is currently considered to be a reference marker since it meets all the requirements of an ideal GFR marker. The aim of this study was to develop and validate a method for iohexol …
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Retrospective comparison of cyclophosphamide and mycophenolate mofetil in lupus nephritis at Groote Schuur Hospital nephrology unit
… significant differences in estimated glomerular filtration rate (eGFR) and presence of glomerular crescents between both groups (p ≤ 0.05). After completion of induction therapy, there was no significant difference in remission status (76.0% versus 87.5%; p = 0.33) or relapse status (8.1% versus …
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