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Serum albumin and von Willebrand factor: possible markers for early detection of vascular damage in children undergoing peritoneal dialysis.
Clinical and Investigative Medicine. Médecine Clinique et Experimentale 2016 September 12
PURPOSE: Cardiovascular diseases are the main causes of morbidity and mortality in children with end-stage renal disease and the relationships among several relevant potential biomarkers were investigated in pediatric peritoneal dialysis patients.
METHODS: Serum homocysteine, von Willebrand factor (vWF), apolipoproteins A and B, lipoprotein-a, high sensitive-CRP, hemoglobin, phosphorus and parathyroid hormone (PTH) levels, systolic (SBP) and diastolic (DBP) blood pressure, carotid intima-media thickness (cIMT) and left ventricular mass index (LVMI) were measured in 21 pediatric peritoneal dialysis patients and control subjects.
RESULTS: All risk factors were higher in patients than controls. LVMI values were negatively correlated with hemoglobin and positively correlated with PTH and phosphorus levels (p=0.007, r= - 0.573; p=0.013, r= 0.532 and p=0.035, r= 0.461, respectively). cIMT was negatively associated with serum albumin and positively correlated with vWF levels and with SBP and DBP (p=0.006, r= - 0.578; p=0.039, r= 0.453; p=0.02, r= 0.503; p=0.024, r= 0.491, respectively). Robust regression analyses showed that hemoglobin was an independent predictor of LVMI and serum albumin was an independent predictor of cIMT.
CONCLUSION: Only uremia-related factors were independent risk factors for predicting LVMI and cIMT. Hemoglobin level may be a critical factor in the development of left ventricular hypertrophy; therefore, effective treatment of anemia is crucial. Low serum albumin and high hsCRP and vWF levels, and their correlations with cIMT, indicate these patients could be at risk of developing malnutrition-inflammation-atherosclerosis syndrome and suggest that serum albumin and vWF levels may be useful markers for early detection of vascular damage.
METHODS: Serum homocysteine, von Willebrand factor (vWF), apolipoproteins A and B, lipoprotein-a, high sensitive-CRP, hemoglobin, phosphorus and parathyroid hormone (PTH) levels, systolic (SBP) and diastolic (DBP) blood pressure, carotid intima-media thickness (cIMT) and left ventricular mass index (LVMI) were measured in 21 pediatric peritoneal dialysis patients and control subjects.
RESULTS: All risk factors were higher in patients than controls. LVMI values were negatively correlated with hemoglobin and positively correlated with PTH and phosphorus levels (p=0.007, r= - 0.573; p=0.013, r= 0.532 and p=0.035, r= 0.461, respectively). cIMT was negatively associated with serum albumin and positively correlated with vWF levels and with SBP and DBP (p=0.006, r= - 0.578; p=0.039, r= 0.453; p=0.02, r= 0.503; p=0.024, r= 0.491, respectively). Robust regression analyses showed that hemoglobin was an independent predictor of LVMI and serum albumin was an independent predictor of cIMT.
CONCLUSION: Only uremia-related factors were independent risk factors for predicting LVMI and cIMT. Hemoglobin level may be a critical factor in the development of left ventricular hypertrophy; therefore, effective treatment of anemia is crucial. Low serum albumin and high hsCRP and vWF levels, and their correlations with cIMT, indicate these patients could be at risk of developing malnutrition-inflammation-atherosclerosis syndrome and suggest that serum albumin and vWF levels may be useful markers for early detection of vascular damage.
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