American Journal of Kidney Diseases

RATIONALE & OBJECTIVE: Heavy chain deposition disease (HCDD) is a rare consequence of monoclonal immunoglobulin deposition disease that has not been well characterized in non-white populations. To explore the clinicopathologic characteristics and outcomes of HCDD in Chinese individuals, we report on a case series assembled in a single center in China. STUDY DESIGN: Case series. SETTING & PARTICIPANTS: 25 patients with biopsy-proven HCDD were studied retrospectively...

Asia is the largest and most populated continent in the world, with a high burden of kidney failure. In this Policy Forum article, we explore dialysis care and dialysis funding in 17 countries in Asia, describing conditions in both developed and developing nations across the region. In 13 of the 17 countries surveyed, diabetes is the most common cause of kidney failure. Due to great variation in gross domestic product per capita across Asian countries, disparities in the provision of kidney replacement therapy (KRT) exist both within and between countries...

RATIONALE & OBJECTIVE: Metabolic acidosis associated with chronic kidney disease (CKD) may contribute to muscle dysfunction and bone disease. We aimed to test whether treatment with sodium bicarbonate improves muscle and bone outcomes. STUDY DESIGN: Multicenter, randomized, placebo-controlled, clinical trial. SETTING & PARTICIPANTS: 149 patients with CKD stages 3 and 4 between July 2011 and April 2016 at 3 centers in Cleveland, OH, and the Bronx, NY...

RATIONALE & OBJECTIVE: The Centers for Medicare & Medicaid Services introduced the Quality Incentive Program (QIP) along with the bundled payment reform to improve the quality of dialysis care in the United States. The QIP has been criticized for using easily obtained laboratory indicators without patient-centered measures and for a lack of evidence for an association between QIP indicators and patient outcomes. This study examined the association between dialysis facility QIP performance scores and survival among patients after initiation of dialysis...

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RATIONALE & OBJECTIVE: Patients receiving dialysis report very low physical activity. We implemented a pilot trial to assess the feasibility of a pedometer-based intervention to gather preliminary evidence about its impact on physical activity, symptoms, and surrogates of cardiovascular risk. STUDY DESIGN: Pilot randomized controlled trial. SETTING & PARTICIPANTS: 60 dialysis patients from San Francisco dialysis clinics. INTERVENTION: Participants were randomly assigned 1:1 to receiving pedometers with weekly step goals or usual care for 3 months...

RATIONALE & OBJECTIVE: Elicitation and documentation of patient preferences is at the core of shared decision making and is particularly important among patients with high anticipated mortality. The extent to which older patients with incident kidney failure undertake such discussions with their providers is unknown and its characterization was the focus of this study. STUDY DESIGN: Retrospective cohort study. SETTING & PARTICIPANTS: A random sample of veterans 67 years and older with incident kidney failure receiving care from the US Veterans Health Administration between 2005 and 2010...

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RATIONALE & OBJECTIVE: The pathogenesis of disordered mineral metabolism in chronic kidney disease (CKD) is largely informed by cross-sectional studies of humans and longitudinal animal studies. We sought to characterize the longitudinal evolution of disordered mineral metabolism during the course of CKD. STUDY DESIGN: Retrospective analysis nested in a cohort study. SETTING & PARTICIPANTS: Participants in the Chronic Renal Insufficiency Cohort (CRIC) Study who had up to 5 serial annual measurements of estimated glomerular filtration rate, fibroblast growth factor 23 (FGF-23), parathyroid hormone (PTH), serum phosphate, and serum calcium and who subsequently reached end-stage kidney disease (ESKD) during follow-up (n = 847)...

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RATIONALE & OBJECTIVE: Although multiple lines of evidence suggest a negative impact of secondary hyperparathyroidism on patients with kidney failure treated by hemodialysis, it is uncertain whether patients can detect associated symptoms. The objective was to determine whether changes in parathyroid hormone (PTH) levels are associated with changes in symptoms within this patient population. STUDY DESIGN: Prospective cohort. SETTING & PARTICIPANTS: 165 adults with hyperparathyroidism secondary to kidney failure diagnosed, a range of dialysis vintages, and receiving regular hemodialysis from a US single-provider organization...

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