TRACE ELEMENTS CONTENTS DYNAMICS IN WHOLE BLOOD IN CHILDREN WITH END STAGE RENAL DISEASE RECEIVING DIALYSIS

Homeostasis disorders in kidneys damage is accompanied by the accumulation or reduction of trace elements as a component of Chronic Kidney Disease (CKD) progression. The degree of trace elements misbalanced depends on the stage of CKD. The deep disorders are most common during renal replacement therapy (RRT), especially in children due to anatomic and physiological immaturity. Materials and methods: We investigated the 20 trace elements blood concentrations in 42 children with CKD V D depending on RRT duration used the technique of inductive coupled plasma mass-spectrometry (ICPMS). Results: There is detected significant increase of cobalt (in 3,80 times), cadmium (2,66), lead (2,44) and nickel (7,19) in patients with statistically weighty decrease in vanadium (1,49), chromium (1,62), arsenic (9,45), strontium (2,02), barium (5,29), rubidium (2,69 and zinc (1,46). It was found the increasing levels of aluminum, chromium and zinc in RRT duration enlargement (p<0,05). Conclusions: The course of CKD V D in children is accompanied with substantial and multidirectional changes in trace elements blood levels that characterized by a predominance of accumulation processes versus elimination depending the RRT duration

CHANGES OF NONESSENTIAL TRACE ELEMENTS LEVELS IN WHOLE BLOOD OF END STAGE RENAL DISEASE ADULT PATIENTS

Aims: Accumulation of trace elements occurs in conditions of decreased or termination of kidneys functions. In some conditions increased trace elements can obtain toxic features. On other hand, researches are showing that concentration of some trace elements could be decreased in ERSD patients, too. The most important factor affecting trace element concentration in ERSD patient is the degree of renal failure and using of replacement therapy. Materials and methods: We determined the concentration of microelements (beryllium, boron, aluminum, vanadium, chromium, nickel, arsenic, rubidium, strontium, cadmium, cesium, barium, thallium and lead) in whole blood of 41 ESRD patients with chronic kidney disease stage VD, who were treated with hemodialysis / hemodiafiltration and in 61 conditionally healthy donors. Determination of whole bloods trace elements content was conducted using inductive coupled plasma mass- spectrometry (ICPMS).  Results: It is determinate that levels of beryllium, boron, aluminum, vanadium, chromium, strontium, cadmium, barium, thallium and lead is reliable increased in ESRD patients. Decreased levels are observed for nickel, arsenic, cesium and rubidium. Conclusions: ESRD is accompanied with substantial and multidirectional changes of trace elements blood levels. During researches has shown that in ESRD patients processes of trace elements accumulation are prevailing over elimination ones