American journal of kidney diseases : the official journal of the National Kidney Foundation
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In response to the 2012 KDIGO (Kidney Disease: Improving Global Outcomes) guideline for blood pressure management in patients with chronic kidney disease not on dialysis, the National Kidney Foundation organized a group of US experts in hypertension and transplant nephrology to review the recommendations and comment on their relevancy in the context of current US clinical practice and concerns. The overriding message was the dearth of clinical trial evidence to provide strong evidence-based recommendations. ⋯ In contrast, KDIGO continues to recommend goal blood pressure ≤130/80 mm Hg for patients with chronic kidney disease with moderately or severely increased albuminuria and for all renal transplant recipients regardless of the presence of proteinuria, without supporting data. The expert panel thought the KDIGO recommendations were generally reasonable but lacking in sufficient evidence support and that additional studies are greatly needed.
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Comparative Study
Racial differences in estimated GFR decline, ESRD, and mortality in an integrated health system.
Current evidence does not clearly identify the contribution of kidney function decline and mortality to racial disparities in end-stage renal disease (ESRD) incidence. We used observed estimated glomerular filtration rate (eGFR) to project the time of onset of kidney failure and examined mortality to better understand these racial disparities. ⋯ We found more extreme rates of eGFR decline in blacks. Projected kidney failure during CKD stages 3 and 4 was high in blacks, Hispanics, and Asians relative to whites. Mortality for those with projected kidney failure was highest in whites. Differences in eGFR decline and mortality contributed to racial disparities in ESRD incidence.
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Randomized Controlled Trial Multicenter Study
Impact and interaction of low estimated GFR and B vitamin therapy on prognosis among ischemic stroke patients: the Vitamin Intervention for Stroke Prevention (VISP) trial.
Low estimated glomerular filtration rate (eGFR) has been linked to higher risk of primary stroke, but little is known about the relation of low eGFR to recurrent vascular risk after stroke. B Vitamin therapy has been used to lower homocysteine levels, but its interaction with kidney function on future major vascular events has not been assessed. The objective of this study was to conduct a secondary analysis based on the Vitamin Intervention for Stroke Prevention (VISP) trial to clarify these issues. ⋯ Low eGFR is associated with higher risk of future major vascular events and recurrent stroke after a recent ischemic stroke.
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We compared values of baseline serum cystatin C (SCysC), serum creatinine (SCr), and measured glomerular filtration rate (mGFR) for predicting end-stage renal disease (ESRD) in patients with type 2 diabetes and elevated albuminuria. ⋯ SCysC level was a better predictor of ESRD than mGFR or SCr level in Pima Indians with type 2 diabetes and elevated albuminuria.