Abstract
Objective To investigate the clinical significance of body composition monitor (BCM) in evaluating the dry weight of hemodialysis patients. Methods Fiftyfour hemodialysis patients who reached the dry weight according to clinical assessment were enrolled. The volume load was measured with BCM, and the pre-dialysis blood pressure, plasma B type natriuretic peptide (BNP) and echocardiogram parameters were recorded. Results BCM results showed that, in 54 hemodialysis patients, 15 patients presented overhydration and 13 patients underhydration. According to the results of BCM, all of the 15 overhydration patients and some of the 13 underhydration patients adjusted their dry weight. According to the BCM results and the predialysis blood pressure, the patients were divided into 4 groups: group A (without overhydration, the predialysis blood pressure 0.05). Conclusions BCM is a simple and convenient tool to evaluate the volume status of hemodialysis patients. It can give guidance of dry weight regulation. Compared with the other clinical assessment methods such as pedal edema, the blood pressure and plasma BNP, it is more accurate and practical. Key words: Renal dialysis; Natriuretic peptide, brain; Hypertension; Body composition measurement instrument
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