This study assesses autonomic nervous system function by power spectral analysis of RR interval dynamics in ultrafiltration subjects without blood pressure variation.
Variations over time in autonomic nervous activity due to differences in ultrafiltration rate will be evaluated by measuring heart rate variability in hemodialysis patients without blood pressure variations during HD session. The subjects will be divided into 3 groups, those with UFR \< 10 ml/hr/kg; ≥10 ml/hr/kg but ≤ 15 ml/hr/kg; and \>15 ml/hr/kg, and Holter ECG are recorded continuously during HD session using frequency analysis of RR intervals.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
SINGLE
Enrollment
35
Graduate School of Applied Informatics, University of Hyogo
Kobe, Hyōgo, Japan
The outcome measures was low frequency power (LF, ms2) to high frequency power (HF, ms2) ratio (LF/HF ratio) of heart rate variability. The three subject groups with difference ultrafiltration were compared by LF/HF ratio during hemodialysis session.
Variations over time in autonomic nervous activity due to differences in ultrafiltration rate will be evaluated by measuring heart rate variability.
Time frame: 4 hours
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