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Effect of peritoneal fluid on whole body and segmental multiple frequency bioelectrical impedance in patients on peritoneal dialysis

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Abstract

Objective: We investigated the ability of whole body and segmental multiple frequency bioelectrical impedance (MFBIA) to detect peritoneal fluid in peritoneal dialysis patients.

Design: Prospective study.

Setting: Teaching hospital renal unit.

Subjects: Patients on regular peritoneal dialysis.

Interventions: Whole body and segmental MFBIA measurements before and after drainage of peritoneal fluid.

Results: Changes estimated by MFBIA in total body water (−0.4 (0.8) litres) and extracellular water (−0.3 (0.3) litres) were much lower than the actual changes (2.0 (0.4) litres), P<0.0001. Derived resistances Recf and Ricf increased significantly for the trunk but not for total body measurements and changes did not correlate with volumes of fluid drained.

Conclusions: MFBIA is limited in its ability to detect intraperitoneal fluid, using both whole body and segmental techniques.

European Journal of Clinical Nutrition (2000) 54, 450–451

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Authors and Affiliations

  1. Renal Unit, Leeds General Infirmary, Leeds, United Kingdom

    N Than, G Woodrow, JH Turney & AM Brownjohn

  2. Centre for Bone and Body Composition Research, University of Leeds, Leeds, United Kingdom

    B Oldroyd & C Gonzalez

  3. University of Caldas, Caldas, Columbia

    C Gonzalez

Authors
  1. N Than
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  2. G Woodrow
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  3. B Oldroyd
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  4. C Gonzalez
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  5. JH Turney
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  6. AM Brownjohn
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Contributions

Guarantors: G Woodrow.

Contributors: NT, GW, BO, CG, JHT and AMB all involved in study conception, design, interpretation of results and approving final manuscript. BIA measurements were performed by NT, BO and CG and statistical analysis performed by GW.

Corresponding author

Correspondence to G Woodrow.

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Than, N., Woodrow, G., Oldroyd, B. et al. Effect of peritoneal fluid on whole body and segmental multiple frequency bioelectrical impedance in patients on peritoneal dialysis. Eur J Clin Nutr 54, 450–451 (2000). https://doi.org/10.1038/sj.ejcn.1600968

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  • DOI: https://doi.org/10.1038/sj.ejcn.1600968

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