نتایج جستجو برای: gfr
تعداد نتایج: 5986 فیلتر نتایج به سال:
INTRODUCTION Measurement of glomerular filtration rate (GFR) is critical for the diagnosis and stratification of chronic kidney disease (CKD). Recent studies have shown that cystatin C is superior to creatinine for the detection of impaired GFR, and several cystatin C-based equations for estimating GFR have been developed for this clinical application. We conducted the present study to assess t...
OBJECTIVE The purpose of this study was to develop a simpler method to measure severely reduced glomerular filtration rate (GFR) for patients with a GFR below 30 mL/min. METHOD The GFR was measured in 24 patients using both the 51Cr EDTA slope-intercept method (the conventional method) and 99mTc-DTPA with our proposed simpler GFRn method. RESULTS The correlation coefficient was 0.92 between...
OBJECTIVES To examine the feasibility and accuracy of glomerular filtration rate (GFR) measurements in infants with sickle cell anemia (SCA). STUDY DESIGN The NHLBI/NICHD-sponsored Phase III randomized double-blinded placebo-controlled trial (BABY HUG) tests the hypothesis that hydroxyurea can prevent chronic organ damage in SCA. GFR elevation is a coprimary endpoint, measured quantitatively ...
BACKGROUND Renal functional outcome is unpredictable after revascularization of high-grade atherosclerotic renal artery stenosis (RAS). 'Hibernating' parenchyma describes acute parenchymal injury where renal dysfunction is potentially reversible with treatment of the stenosis. We analysed renal parenchymal volume (PV) and single-kidney glomerular filtration rate (SK-GFR) characteristics to iden...
The process of diagnosing chronic kidney disease using the estimated GFR involves several pitfalls. The estimated GFR laboratory report should be requested only by practitioners who are familiar with how to interpret the result. Until a more reliable method is available to estimate the GFR, the current chronic kidney disease classification should be revised by reducing the central role of the G...
سابقه و هدف: کاهش میزان تصفیه گلومرولی (gfr) مشخصه اصلی بیماری کلیه است به نظر می رسد فعالیت بدنی می تواند gfr وعملکرد کلیه را تحت تأثیر قرار دهد. مطالعه با هدف تعیین تأثیر 8 هفته دویدن روی نوارگردان بر gfr و دیگر فاکتورهای عملکردی کلیه در بیماران کلیوی مزمن انجام شد. مواد و روش ها: این مطالعه یک کارآزمایی بالینی نیمه تجربی با کد اخلاق 490004 از دانشگاه آزاد اسلامی واحد خوراسگان اصفهان می باش...
BACKGROUND Glomerular filtration rate (GFR) is directly associated with survival. However, the prognostic significance of GFR might be different according to the formula used to estimate it. We aimed at comparing the association between GFR estimated using three different formulas and 1-year survival in elderly patients discharged from acute care hospitals. METHODS Our series consisted of 439...
Accurate measurement of GFR is critical for the evaluation of new therapies and the care of renal transplant recipients. Although not accurate in renal transplantation, GFR is often estimated using creatinine-based equations. Cystatin C is a marker of GFR that seems to be more accurate than creatinine. Equations to predict GFR based on the serum cystatin C concentration have been developed, but...
INTRODUCTION It is well known that the function of kidneys is impaired with age. AIM The purpose of the study was to evaluate whether chronic kidney disease (CKD) is a predictor for 1-year follow-up mortality among hospitalized chronic heart failure (CHF) patients aged 80+. MATERIAL AND METHODS The study included 141 consecutive patients aged 80-92 (mean: 82.4 years, 44.7% men). The prospec...
BACKGROUND Autoregulation of GFR, i.e. maintenance of relative constancy of GFR despite variations in mean arterial pressure (MAP) >80 mmHg, is impaired in diabetic kidney disease; furthermore, some antihypertensive drugs may jeopardize autoregulation. The aim of our study was to establish if spironolactone affects the ability to autoregulate GFR. METHODS Sixteen hypertensive type 1 diabetic ...
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