Abstract
Many psychiatric patients present with disorders of water balance manifested by polydipsia or polyuria. Multiple frequency bioelectrical impedance analysis (MFBIA) was investigated as a suitable method for the assessment of body water in such patients. Whole body bioelectrical impedance, total body water and extracellular water and serum sodium were measured in 10 chronic psychiatric inpatients with polydipsia. Fluid volumes predicted by MFBIA correlated significantly (P < 0.002) with those obtained by reference methods but the relatively high limits of agreement (2.2 L) suggest that the method is not yet sufficiently accurate for random screening purposes. However, owing to the simplicity and non-invasive nature of the technique, it warrants further investigation and development, particularly for routine patient monitoring.
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Schedule a callMore From: The Australian and New Zealand journal of mental health nursing
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