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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| measuring Holter electrocardiogram | Experimental | Hotter ECG will be recorded continuously during hemodialysis |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Analysis of the holter electrocardiogram | Other |
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| Measure | Description | Time Frame |
|---|---|---|
| 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. | 4 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Yuko Mizuno-Matsumoto, Ph.D. | Graduate School of Applied Informatics, University of Hyogo | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Graduate School of Applied Informatics, University of Hyogo | Kobe | Hyōgo | 650-0047 | Japan |
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