Hypotension Clinical Trial
Official title:
Prediction of Risk of Hypotension in Hemodialysis
The main objective is to establish a statistical predictive model of the risk of intradialytic hypotension during hemodialysis (HD) or hemodiafiltration (HDF) sessions based on the measurement of residual blood volume and excess extracellular hydration. The secondary objective is to study the impact of dysfunction in the mechanisms of compensation for decreased blood volume (heart disease, neuropathy, drugs) on the risk of intradialytic hypotension.
The duration of the study is 4 weeks for each patient. It will first be carried out a spectral analysis of heart rate variability (CHU of Clermont Ferrand only) and a measurement of intracellular and extracellular volumes by bioimpedancemetry. During the next 9 sessions, the decrease in the VSR will be recorded using an optical haematocrit measurement system. Blood pressure and heart rate will be measured every 30 minutes using an automatic blood pressure monitor and whenever the patient's nurse deems it necessary. ;
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