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Seasonal variations in BP among chronic hemodialysis patients have been reported. It was hypothesized that other characteristics of these patients might also vary with the seasons. Twenty-one clinical and laboratory variables were examined for seasonal variations among 1445 patients enrolled in the Hemodialysis Study, sponsored by the National Institute of(More)
BACKGROUND High blood pressure is an important public health concern because it is highly prevalent and a risk factor for adverse health outcomes, including coronary heart disease, stroke, decompensated heart failure, chronic kidney disease, and decline in cognitive function. Observational studies show a progressive increase in risk associated with blood(More)
BACKGROUND Cardiovascular diseases are the most common causes of death among chronic hemodialysis patients, yet the risk factors for these events have not been well established. METHODS In this cross-sectional study, we examined the relationship between several traditional cardiovascular disease risk factors and the presence or history of cardiovascular(More)
Concentrations of the phosphate-regulating hormone fibroblast growth factor-23 (FGF-23) are elevated in patients with chronic kidney disease (CKD), but whether higher plasma FGF-23 concentrations associate with all-cause mortality, cardiovascular events, or initiation of chronic dialysis is not completely understood. Here, we measured FGF-23 concentration(More)
In the randomized Hemodialysis (HEMO) Study, chronic high-flux dialysis, as defined by higher beta-2 microglobulin (beta(2)M) clearance, compared with low-flux dialysis did not significantly alter all-cause mortality in the entire cohort but was associated with lower mortality in long-term dialysis patients. This analysis examined the determinants of serum(More)
BACKGROUND Although metabolic syndrome is associated with inflammation in the general population, it is unknown whether similar associations exist in patients with chronic kidney disease. METHODS +7 cross-sectional associations of metabolic syndrome and its component conditions (diabetes, hypertension, hypertriglyceridemia, abdominal obesity, and low(More)
BACKGROUND Serum markers of disordered mineral metabolism have been associated with adverse outcomes in patients requiring long-term dialysis therapy. Although the values of these markers often evolve over time, no study has examined the accumulated effects of these abnormalities on important clinical end points. STUDY DESIGN Retrospective cohort study.(More)
The US Food and Drug Administration currently accepts halving of glomerular filtration rate (GFR), assessed as doubling of serum creatinine level, as a surrogate end point for the development of kidney failure in clinical trials of kidney disease progression. A doubling of serum creatinine level generally is a late event in chronic kidney disease (CKD);(More)
BACKGROUND Implantation of a haemodialysis arteriovenous graft is often followed by the development of neointimal hyperplasia (NH) at the venous anastomosis. The nature of the proliferating cells in these lesions is not well understood. A better understanding of the cells contributing to NH is important to the development of preventive strategies. METHODS(More)