Haemodialysis Complication Clinical Trial
Official title:
Individualised Fluid Management in Haemodialysis: Combining Bioimpedance and Absolute Blood Volume Measurements for Improved Clinical Effectiveness and Patient Experience
Around 60,000 patients in the UK are being treated for severe kidney failure. The most common
treatment is haemodialysis (HD). An important part of HD is removing extra fluid from the
body which the kidneys normally remove in urine. Deciding how much fluid to remove is not
easy. It is normally based on clinical signs, such as blood pressure or tissue swollen with
fluid, but there is a need for better tests to help guide these decisions.
Bioimpedance tests are one way of measuring fluid status. They involve passing a small
electric current through tissue using stickers on the skin. The test is portable, cheap,
simple, painless and harmless. One bioimpedance device, the Body Composition Monitor (BCM),
has been designed particularly for kidney patients. However the BCM measures fluid in the
whole body and cannot tell us how much fluid is in the blood (the blood volume), which has
the biggest effect on patients' health.
The aim of this study is to see whether blood volume measurements can help to make fluid
management more individualised. This could reduce the impact of dialysis on patients' health
and improve patients' experience of the treatment.
Objective 1: To demonstrate whether the addition of blood volume measurements can help to
tailor fluid management to HD patients' individual needs. In particular we will look at how
body size, nutritional state, age and localised fluid can affect patients' blood volume.
Objective 2: To see if there is a simple way of making blood volume measurements with no need
for expertise or extra equipment.
It is planned to recruit 40 patients into 4 clinically different groups and compare results
between them.
The results will be compared between groups to help us understand how decisions about fluid
management can be tailored to keep blood volume at the optimal level.
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