In December 2019, an outbreak of coronavirus disease (COVID-19) due to the novel SARS-CoV-2 virus began in China and spread rapidly worldwide. It is unknown whether hemodialysis patients represent a distinct group of patients with certain characteristics that may make them susceptible to infection or severe disease. In this Case Report, we describe the clinical and epidemiological features of COVID-19

Systemic lupus erythematosus is a multisystem autoimmune disease that commonly affects the kidneys. Lupus nephritis (LN) is the most common cause of kidney injury in systemic lupus erythematosus and a major risk factor for morbidity and mortality. The pathophysiology of LN is heterogeneous. Genetic and environmental factors likely contribute to this heterogeneity. Despite improved understanding of

Rationale & Objectives Conventional monitoring of hemodialysis dose is implemented using urea kinetic modeling based on single-pool Kt/V, which requires both pre- and postdialysis serum urea nitrogen (SUN) measurements. We compared this conventional approach to one in which Kt/V is calculated using conductivity clearance, thereby reducing the need for regular postdialysis SUN measurements. Study Design

Pulmonary hypertension (PH) is a highly prevalent and important condition in adults with chronic kidney disease (CKD). In this review, we summarize the definition of PH, discuss its pathophysiology and classifications, and describe diagnostic and management strategies in patients with CKD, including those with kidney failure treated by kidney replacement therapy. In the general population, PH is classified

Transplantation is the preferred modality of replacement therapy for most patients with kidney failure. In the United States, more than 3,000 new patients are registered each month on the kidney transplant waiting list for this life-saving therapy. A potential kidney transplant recipient’s evaluation typically begins with a referral by the general nephrologist to a transplantation center. In this installment

Rationale & Objective First-line therapy for syndrome of inappropriate antidiuresis (SIAD) is fluid restriction. Additional treatment for patients who do not respond to fluid restriction are water restriction with furosemide or water restriction with furosemide and salt supplementation. However, the efficacy of these treatments has never been tested in a randomized controlled study. The objective of

Patient experience is an integral aspect of the care we deliver to our dialysis patients. Standardized evaluation of patient experience with in-center hemodialysis started in the United States in 2012 with the In-Center Hemodialysis Consumer Assessment of Healthcare Providers and Systems (ICH CAHPS) survey. Over time there have been a few changes to this survey, how it is administered, and how it fits

Rationale & Objective Hematuria is the most typical presentation of immunoglobulin A nephropathy (IgAN); however, its role in disease progression is still controversial. This study aimed to evaluate the association of hematuria and progression of IgAN. Study Design Retrospective cohort study. Setting & Participants A cohort of 1,333 patients with IgAN treated at a Chinese referral hospital with a median

The National Kidney Foundation’s Kidney Disease Outcomes Quality Initiative (KDOQI) has provided evidence-based guidelines for hemodialysis vascular access since 1996. Since the last update in 2006, there has been a great accumulation of new evidence and sophistication in the guidelines process. The 2019 update to the KDOQI Clinical Practice Guideline for Vascular Access is a comprehensive document

Rationale & Objectives Dialysis patients frequently experience medication-related problems. We studied the association of a multidisciplinary medication therapy management (MTM) with 30-day readmission rates. Study Design Retrospective cohort study. Setting & Participants Maintenance dialysis patients discharged home from acute-care hospitals between May 2016 and April 2017 who returned to End-Stage

Kidney supportive care is the application of palliative medicine principles and practices to patients with kidney disease. The goal is alleviation of suffering through treatment of symptoms, empathic communication, and support for psychosocial distress. Kidney supportive care includes primary palliative care provided by nephrology teams, as well as referral of patients with complex distress for comanagement

Rationale & Objective Trials in autosomal dominant polycystic kidney disease (ADPKD) have increased, but their impact on decision making has been limited. Because heterogeneity in reported outcomes may be responsible, we assessed their range and variability in ADPKD trials. Study Design Systematic review. Setting & Study Population Adult participants in clinical trials in ADPKD. Selection Criteria

Rationale & Objective Compared with conventional (rope-ladder cannulation [RLC]) methods, use of buttonhole cannulation (BHC) to access arteriovenous fistulas (AVFs) may be associated with increased risk for bloodstream infection and other vascular access–related infection. We used national surveillance data to evaluate the infection burden and risk among in-center hemodialysis patients with AVFs using

Renal course and clinical outcomes in pregnant women with primary membranous nephropathy are not completely understood. In addition, the use of autoantibodies to M-type phospholipase A2 receptor (PLA2R) as a serologic marker throughout pregnancy and postpartum in the mother and baby is not yet fully elucidated. We followed up a pregnant woman with primary membranous nephropathy during pregnancy and

RATIONALE & OBJECTIVE Less than 4% of patients with kidney failure receive kidney transplants. Although discard rates of hepatitis C virus (HCV)-viremic kidneys are declining, ~39% of HCV-viremic kidneys donated between 2018 and 2019 were discarded. Highly effective antiviral agents are now available to treat chronic HCV infection. Thus, our objective was to examine the cost-effectiveness of transplanting

Home dialysis modalities are used in a minority of patients with kidney failure in the United States. During the 2018 National Kidney Foundation-Kidney Disease Outcomes Quality Initiative (NKF-KDOQI) Home Dialysis Conference, numerous ideas were suggested to help minimize barriers for the uptake and retention of home dialysis therapies. First, educational tools are needed to increase knowledge about

Acute kidney injury (AKI) is a common outcome evaluated in clinical studies, often as a safety end point in a variety of cardiovascular, kidney disease, and other clinical trials. AKI end points that include modest increases in serum creatinine levels from baseline may not associate with patient-centered outcomes such as initiation of dialysis, sustained decline in kidney function, or death. Surprisingly

RATIONALE & OBJECTIVE The efficacy and safety of icodextrin versus glucose-only peritoneal dialysis (PD) regimens is unclear. The aim of this study was to compare once-daily long-dwell icodextrin versus glucose among patients with kidney failure undergoing PD. STUDY DESIGN Systematic review of randomized controlled trials (RCTs), enriched with unpublished data from investigator-initiated and industry-sponsored

RATIONALE & OBJECTIVE Intact cognition is generally a prerequisite for navigating through and completing evaluation for kidney transplantation. Despite kidney transplantation being contraindicated for those with severe dementia, screening for more mild forms of cognitive impairment before referral is rare. Candidates may have unrecognized cognitive impairment, which may prolong evaluation, elevate

Living kidney donation is widely practiced throughout the world. During the past 2 decades, various groups have provided guidance about the evaluation and care of living donors. However, during this time, our knowledge in the field has advanced substantially and many agreed on the need for a comprehensive, unifying document. KDIGO (Kidney Disease: Improving Global Outcomes) addressed this issue at

RATIONALE & OBJECTIVE Soluble urokinase plasminogen activator receptor (suPAR) is a novel biomarker associated with incident chronic kidney disease (CKD) and has been identified as an independent risk factor for CKD progression in children, although these findings remain preliminary, limited to a single point in time, and unreplicated in pediatric cohorts. STUDY DESIGN Prospective longitudinal cohort

Daytime sleepiness, also known as hypersomnolence, is common among patients receiving maintenance dialysis and following successful kidney transplantation. Sleepiness may be secondary to medical comorbid conditions, medication side effect, insufficient sleep syndrome, and sleep-disordered breathing or the result of a primary central disorder of hypersomnolence, such as narcolepsy. Unrecognized and

The intensive care unit (ICU) is a common source of high-acuity nephrology consultations. Although advanced chronic kidney disease is associated with increased ICU mortality, the prognosis of acute kidney injury (AKI) requiring renal replacement therapy is far worse, with short-term mortality rates that often exceed 50%. As such, it is essential that practicing nephrologists be comfortable caring for

RATIONALE & OBJECTIVE Cytokine release syndrome is a well-known complication of chimeric antigen receptor T-cell (CAR-T) therapy and can lead to multiorgan dysfunction. However, the nephrotoxicity of CAR-T therapy is unknown. We aimed to characterize the occurrence, cause, and outcomes of acute kidney injury (AKI), along with the occurrence of electrolyte abnormalities, among adults with diffuse large

Outcomes reported in randomized controlled trials in peritoneal dialysis (PD) are diverse, are measured inconsistently, and may not be important to patients, families, and clinicians. The Standardized Outcomes in Nephrology-Peritoneal Dialysis (SONG-PD) initiative aims to establish a core outcome set for trials in PD based on the shared priorities of all stakeholders. We convened an international SONG-PD

RATIONALE & OBJECTIVE Patients with chronic kidney disease (CKD) are particularly sensitive to dietary sodium. We evaluated a self-management approach for dietary sodium restriction in patients with CKD. STUDY DESIGN Randomized controlled trial. SETTING & PARTICIPANTS Nephrology outpatient clinics in 4 Dutch hospitals. 99 adults with CKD stages 1 to 4 or a functioning (estimated glomerular filtration

RATIONALE & OBJECTIVE Peritoneal dialysis (PD)-related peritonitis carries high morbidity for PD patients. Understanding the characteristics and risk factors for peritonitis can guide regional development of prevention strategies. We describe peritonitis rates and the associations of selected facility practices with peritonitis risk among countries participating in the Peritoneal Dialysis Outcomes

RATIONALE & OBJECTIVES Chronic kidney disease (CKD) is a potent risk factor for macrovascular disease and death. Peripheral artery disease (PAD) is more common in patients with CKD and is associated with lower-limb complications and mortality. We sought to compare the prevalence of PAD in and outside the setting of kidney disease and examine how PAD affects the risk for adverse health outcomes, specifically

RATIONALE & OBJECTIVE Health-related quality of life (HRQoL) is a major outcome measure increasingly used in patients with chronic kidney disease (CKD). We evaluated the association between different stages of CKD and the physical and mental health domains of HRQoL. STUDY DESIGN Cross-sectional study. SETTING & PARTICIPANTS 2,693 outpatients with moderate (stage 3, estimated glomerular filtration rate

RATIONALE & OBJECTIVE Glomerular filtration rate (GFR) estimation based on creatinine or cystatin C level is currently the standard method for assessing GFR in epidemiologic research and clinical trials despite several important and well-known limitations. Plasma iohexol clearance has been proposed as an inexpensive method for measuring GFR that could replace estimated GFR in many research projects

Thrombotic microangiopathy (TMA) is an emerging complication of oncologic therapy. Cancer-related causes of renal endothelial cell damage include cytotoxic chemotherapies, radiation given for myeloablation, and direct involvement of renal vasculature by tumor cells. Another class of therapeutic agents that has been implicated in TMA is the vascular endothelial growth factor (VEGF) pathway inhibitors

RATIONALE & OBJECTIVE Living kidney donors may have a higher risk for death and kidney failure. This study aimed to investigate the long-term mortality experience of living kidney donors compared with members of the general public in Korea who underwent voluntary health examinations. STUDY DESIGN Cohort study. SETTING & PARTICIPANTS We first calculated standardized mortality ratios for 1,292 Korean

Moral distress occurs when individuals are unable to act in accordance with what they believe to be ethically correct or just. It results from a discrepancy between a clinician's perception of "the right thing to do" and what is actually happening and is perpetuated by perceived constraints that limit the individual from speaking up or enacting change. Moral distress is reported by many clinicians

BACKGROUND Myeloperoxidase (MPO) catalyzes the formation of reactive nitrogen species and levels are elevated in patients with chronic kidney disease (CKD). Although increased oxidative stress and inflammation are associated with progression of CKD and cardiovascular disease (CVD), relationships between MPO concentration, CKD progression, CVD, and death remain unclear. STUDY DESIGN Prospective cohort

RATIONALE & OBJECTIVE Studies using a single measurement of fibroblast growth factor 23 (FGF-23) suggest that elevated FGF-23 levels are associated with increased risk for requirement for kidney replacement therapy (KRT) in patients with chronic kidney disease. However, the data do not account for changes in FGF-23 levels as kidney disease progresses. STUDY DESIGN Case-cohort study. SETTING & PARTICIPANTS

The majority of patients with chronic kidney disease (CKD) have elevated blood pressure (BP). In patients with CKD, hypertension is associated with increased risk for cardiovascular disease, progression of CKD, and all-cause mortality. New guidelines from the American College of Cardiology/American Heart Association (ACC/AHA) recommend new thresholds and targets for the diagnosis and treatment of hypertension

RATIONALE & OBJECTIVE Dialysis-requiring acute kidney injury (AKI-D) has increased substantially in the United States. We examined trends in and comorbid conditions associated with hospitalizations and in-hospital mortality in the setting of AKI-D among people with versus without diabetes. STUDY DESIGN Cross-sectional study. SETTING & PARTICIPANTS Nationally representative data from the National Inpatient

RATIONALE & OBJECTIVE Chronic kidney disease (CKD) is a leading cause of morbidity and mortality worldwide, with limited strategies for prevention and treatment. Coffee is a complex mixture of chemicals, and consumption has been associated with mostly beneficial health outcomes. This work aimed to determine the impact of coffee consumption on kidney function. STUDY DESIGN Genome-wide association study

RATIONALE & OBJECTIVE Patients receiving twice-weekly or less-frequent hemodialysis (HD) may need to undergo higher ultrafiltration rates (UFRs) to maintain acceptable fluid balance. We hypothesized that higher UFRs are associated with faster decline in residual kidney function (RKF) and a higher rate of mortality. STUDY DESIGN Retrospective cohort study. SETTING & PARTICIPANTS 1,524 patients with

Rationale & Objective Influenza vaccination is recommended for all adults but particularly for older adults and those with high-risk conditions. Reduced kidney function is an important high-risk condition, but the effectiveness of influenza vaccination across kidney function is uncharacterized. We assessed the effectiveness of influenza vaccination among older adults with and without reduced kidney

Rationale & Objective There may be important transplant-related differences between right and left kidneys, including logistical/surgical considerations about vessel length for the right compared to the left kidney from the same donor. Because US centers choose between the right and left kidney when their recipient is ranked higher on a “match-run,” we sought to determine whether deceased-donor right

Despite optimal anticoagulation and blood pressure control, patients with antiphospholipid syndrome (APS) nephropathy frequently progress to kidney failure, and recurrence after transplantation is common. The mTORC (mechanistic target of rapamycin complex) pathway was recently identified as a potential intermediate and a therapeutic target in vascular lesions associated with APS nephropathy. However

Rationale & Objective On account of the high prevalence of cardiovascular disease in patients with kidney failure, clinical practice guidelines recommend regular screening for asymptomatic coronary artery disease (CAD) in patients on the kidney transplant waitlist. To date, the cost-effectiveness of such screening has not been evaluated. A Canadian-Australasian randomized controlled trial of screening

There is increasing appreciation of nephronophthisis (NPHP) as an autosomal recessive cause of kidney failure and earlier stages of chronic kidney disease among adults. We identified 2 families with presumed adult-diagnosed nonsyndromic NPHP and negative diagnostic genetic testing results from our Renal Genetics Clinic. Both had 2 affected siblings without extrarenal phenotypes. After informed consent

Rationale & Objective Left-sided internal jugular and all subclavian central venous catheters (CVCs) cause thoracic central vein occlusions (TCVOs) more often than right-sided internal jugular catheters. To enable right-sided CVC placement in patients with TCVO, an inside-out access (IOA) approach was established at 3 vascular access centers in Europe involving use of a novel IOA device advanced from

Rationale & Objective Women with end-stage kidney disease (ESKD) have decreased fertility and are at increased risk for pregnancy complications. This study examined secular trends and outcomes of obstetric deliveries in a US cohort of women with ESKD. Study Design Retrospective cohort study. Setting & Participants Women aged 18 to 44 years with ESKD and registered in the US Renal Data System from 2002

Rationale & Objective Patients with multiple comorbid conditions are less likely to use an arteriovenous fistula (AVF) for hemodialysis vascular access. Some dialysis facilities have high rates of AVF placement despite having patients with many comorbid conditions. This study describes variation in facility-level use of AVFs across the facility-level burden of patient comorbid conditions. Study Design

Rationale & Objective Chronic kidney disease (CKD), defined as estimated glomerular filtration rate (eGFR) < 60 mL/min/1.73 m2, is a risk factor for cardiovascular morbidity and mortality. Little is known about low birth weight and risk for CKD in middle-aged adults in the general population. We estimated the causal association between birth weight and eGFR in a Dutch cohort of middle-aged men and