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Body composition in patients with an ileostomy and inflammatory bowel disease: validation of bio-electric impedance spectroscopy (BIS).
Eur J Clin Nutr. 2002 Jul; 56(7):680-6.EJ

Abstract

OBJECTIVE

To validate bio-electric impedance spectroscopy (BIS) by comparison with other methods for determination of body water compartments in stable subjects with an ileostomy and no or minor small bowel resection for inflammatory bowel disease (IBD).

SUBJECTS

Twenty-one subjects were included, age range 36-65 y (female/male=12/9), Crohn's disease (CD), n=14, ulcerative colitis (UC), n=6 and indeterminate colitis (IDC), n=1.

METHODS

Fluid compartments were assessed by the use of three independent methods: BIS, dual-energy X-ray absorptiometry (DXA) and dilution techniques (DIL); tritiated water (total body water, TBW); and bromide (extracellular water, ECW), respectively. Intra-cellular water (ICW) was calculated as TBW-ECW. For comparison TBW was also predicted according to an empirical formula. Differences were analysed using Bland-Altman plots.

RESULTS

The mean TBW values obtained from the impedance measurement differed in the order of -2.21 (DIL) to 1.41 (DXA) in women and -2.01 (DIL) to 2.61 (DXA) in men, from the measured and derived values of total body water. Prediction of TBW gave values that were close to BIS, with a mean difference of -0.31 in male subjects and +0.51 in female subjects. Assessment of ECW revealed that the mean difference between dilution and impedance was less in women than in men (P<0.01).

CONCLUSION

The differences between all methods to assess fluid compartments are pronounced. To further investigate the use of the method in clinical practice for dynamic monitoring of rehydration in ileostomates with acute diarrhoea, repeated measurements together with comparison with weight fluid-balance charts are suggested.

SPONSORSHIP

The study was supported by grants from the Swedish Medical Research Council (17X-03117), Göteborgs Läkarsällskap and IB and A Lundbergs forskningsstiftelse.

Authors+Show Affiliations

Department of Surgery, University of Göteborg, Göteborg, Sweden. eva.carlsson@mbox308.swipnet.seNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't
Validation Study

Language

eng

PubMed ID

12080410

Citation

Carlsson, E, et al. "Body Composition in Patients With an Ileostomy and Inflammatory Bowel Disease: Validation of Bio-electric Impedance Spectroscopy (BIS)." European Journal of Clinical Nutrition, vol. 56, no. 7, 2002, pp. 680-6.
Carlsson E, Bosaeus I, Nordgren S. Body composition in patients with an ileostomy and inflammatory bowel disease: validation of bio-electric impedance spectroscopy (BIS). Eur J Clin Nutr. 2002;56(7):680-6.
Carlsson, E., Bosaeus, I., & Nordgren, S. (2002). Body composition in patients with an ileostomy and inflammatory bowel disease: validation of bio-electric impedance spectroscopy (BIS). European Journal of Clinical Nutrition, 56(7), 680-6.
Carlsson E, Bosaeus I, Nordgren S. Body Composition in Patients With an Ileostomy and Inflammatory Bowel Disease: Validation of Bio-electric Impedance Spectroscopy (BIS). Eur J Clin Nutr. 2002;56(7):680-6. PubMed PMID: 12080410.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Body composition in patients with an ileostomy and inflammatory bowel disease: validation of bio-electric impedance spectroscopy (BIS). AU - Carlsson,E, AU - Bosaeus,I, AU - Nordgren,S, PY - 2001/03/07/received PY - 2001/10/30/revised PY - 2001/10/31/accepted PY - 2002/6/25/pubmed PY - 2002/10/31/medline PY - 2002/6/25/entrez SP - 680 EP - 6 JF - European journal of clinical nutrition JO - Eur J Clin Nutr VL - 56 IS - 7 N2 - OBJECTIVE: To validate bio-electric impedance spectroscopy (BIS) by comparison with other methods for determination of body water compartments in stable subjects with an ileostomy and no or minor small bowel resection for inflammatory bowel disease (IBD). SUBJECTS: Twenty-one subjects were included, age range 36-65 y (female/male=12/9), Crohn's disease (CD), n=14, ulcerative colitis (UC), n=6 and indeterminate colitis (IDC), n=1. METHODS: Fluid compartments were assessed by the use of three independent methods: BIS, dual-energy X-ray absorptiometry (DXA) and dilution techniques (DIL); tritiated water (total body water, TBW); and bromide (extracellular water, ECW), respectively. Intra-cellular water (ICW) was calculated as TBW-ECW. For comparison TBW was also predicted according to an empirical formula. Differences were analysed using Bland-Altman plots. RESULTS: The mean TBW values obtained from the impedance measurement differed in the order of -2.21 (DIL) to 1.41 (DXA) in women and -2.01 (DIL) to 2.61 (DXA) in men, from the measured and derived values of total body water. Prediction of TBW gave values that were close to BIS, with a mean difference of -0.31 in male subjects and +0.51 in female subjects. Assessment of ECW revealed that the mean difference between dilution and impedance was less in women than in men (P<0.01). CONCLUSION: The differences between all methods to assess fluid compartments are pronounced. To further investigate the use of the method in clinical practice for dynamic monitoring of rehydration in ileostomates with acute diarrhoea, repeated measurements together with comparison with weight fluid-balance charts are suggested. SPONSORSHIP: The study was supported by grants from the Swedish Medical Research Council (17X-03117), Göteborgs Läkarsällskap and IB and A Lundbergs forskningsstiftelse. SN - 0954-3007 UR - https://www.unboundmedicine.com/medline/citation/12080410/Body_composition_in_patients_with_an_ileostomy_and_inflammatory_bowel_disease:_validation_of_bio_electric_impedance_spectroscopy__BIS__ L2 - https://doi.org/10.1038/sj.ejcn.1601378 DB - PRIME DP - Unbound Medicine ER -