John Volkenandt

• Universitätsklinikum Carl Gustav Carus Dresden

Introduction Under physiological conditions, blood volume and extracellular volume are in a ratio of 1–3, even in hemodialysis patients. The question therefore arises: can blood volume be inferred from the bioimpedance analysis data? The aim of the study was to compare the blood volumes calculated from extracellular volume determined by bioimpedanc...

Background The rate and the duration of ultrafiltration (UF) are considered the most important factors to affect vascular refilling. The aim of the study was to investigate whether a UF profile could improve the vascular refilling. Methods Dialysis was delivered by a machine providing feedback control of ultrafiltration rates. Absolute blood volum...

The ratio of blood volume to extracellular volume is approximately one to three under physiological conditions and also in stable chronic hemodialysis patients. Recently, it was found that this ratio remains unchanged during hemodialysis despite ultrafiltration. This would signify that the higher the ratio, the lower the refilling and vice versa. T...

Background. Most literature and research are aimed towards the effect of pre-activity on professional or elite athletes, whereas papers and scientific material concerning its effect on recreational sportsmen and woman are rarely published. Aim. The aim of this study was to investigate the influence of a warm-up or pre-activity on the ability to acc...