Fibroblast growth factor-23 and interleukin-6 are risk factors for left ventricular hypertrophy in peritoneal dialysis patients

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BackgroundLeft ventricular hypertrophy (LVH) is a major risk factor for cardiovascular death in dialysis patients. Fibroblast growth factor-23 (FGF-23) and interleukin-6 (IL-6) were thought to be related to cardiovascular diseases (CVDs) in dialysis.MethodsTo determine the relationship between FGF-23, IL-6 and LVH in continuous ambulatory peritoneal dialysis (CAPD) patients, serum FGF-23 and IL-6 levels as well as standard laboratory parameters were assessed in 62 CAPD patients and 30 healthy controls. LVH was determined by echocardiography in dialysis patients.ResultsSerum FGF-23 and IL-6 levels were significantly higher in CAPD patients than in healthy controls, whereas both were higher in patients with LVH than in patients without LVH. FGF-23 was found to be positively associated with left ventricle mass index (LVMI) and serum phosphate. IL-6 level was positively associated with LVMI and negatively correlated with serum albumin and hemoglobin. Serum FGF-23 level was positively correlated with IL-6 level.ConclusionFGF-23 and IL-6 are independent risk factors for LVH in CAPD patients and both collaborated in causing LVH in CAPD.

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