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PURPOSE To compare changes in corneal nerve fibers and keratocyte density by confocal microscopy after laser-assisted in situ keratomileusis (LASIK) and laser epithelial keratomileusis (LASEK). DESIGN Prospective, nonrandomized comparative clinical trial. METHODS Fifty-six eyes of 28 patients who underwent LASIK and 52 eyes of 26 patients who underwent(More)
BACKGROUND/AIMS AIMS Inflammation is an important factor in renal injury. Ferritin, an inflammatory marker, is considered an independent predictor of rapid renal progression in patients with chronic kidney disease. However, the relationship between ferritin and residual renal function (RRF) in patients undergoing peritoneal dialysis (PD) remains unclear.(More)
BACKGROUND Kidney injury molecule-1 (KIM-1) is a biomarker useful for detecting early tubular damage and has been recently reported as a useful marker for evaluating kidney injury in IgA nephropathy (IgAN). We therefore investigated whether treatment decreases urinary KIM-1 excretion in IgAN. METHODS We prospectively enrolled 37 patients with(More)
Patients with end-stage renal disease require an arteriovenous fistula (AVF). Although an AVF has numerous advantages , it can result in neurological or ischemic problems with hemody-namic disturbance. In 1983, Wilbourn et al. [1] described ischemic monomel-ic neuropathy (IMN), defined as a type of multiple axonal-loss mononeurop-athy distally in a limb,(More)
BACKGROUND Cardiovascular disease is the main cause of mortality in dialysis patients. Carotid intima-media thickness (CIMT) is used as a surrogate marker of early atherosclerosis. Atherosclerosis can cause vascular access failure. The purpose of this study was to define the clinical features of atherosclerosis in hemodialysis patients based on CIMT and to(More)
Henoch-Schonlein purpura (HSP) is a generalized vasculitis characterized by manifestations of the skin, joints, gas-trointestinal tract, and renal involvement. Although HSP can occur at any age and is usually a self-limited disease in children, it is less common and has a poor prognosis in adults. Renal involvement affects approximately one-third of HSP(More)
UNLABELLED Backgound: This study evaluated whether the hydration status affected health-related quality of life (HRQOL) during 12 months in peritoneal dialysis (PD) patients. METHODS The hydration status and the HRQOL were examined at baseline and after 12 months using a bioimpedance spectroscopy and Kidney Disease Quality of Life-Short Form, respectively(More)
Blends of Polypropylene (PP) and waste ground rubber tire powder are studied with respect to the effect of ethylene–propylene–diene monomer (EPDM) and polypropylene grafted maleic anhydride (PP-g-MA) compatibilizer content by using the Design of Experiments methodology, whereby the effect of the four polymers content on the final mechanical properties are(More)
BACKGROUND Direct access flow measurements are considered the most useful surveillance method for significant stenosis, and ultrasound dilution has become the most popular and validated technique. The goal of this study was to evaluate access flow (Qa) at the time of first cannulation and its relationship to the survival of vascular access in Korean(More)
We conducted a study to determine whether the hemocontrol biofeedback system (HBS) can improve intradialytic hypotension (IDH) in hypotension-prone hemodialysis (HD) patients compared with conventional HD. In this multicenter prospective crossover study, 60 hypotension-prone patients were serially treated by conventional HD for 8 weeks (period A), by HD(More)