Use of Bioelectrical Impedance Analysis for the Assessment of Nutritional Status in Critically Ill Patients
Open accessAbstract
Malnutrition is common in the critically ill patients and known to cause a variety of negative clinical outcomes. However, various conventional methods for nutrition assessment have several limitations. We hypothesized that body composition data, as measured using bioelectrical impedance analysis (BIA), may have a significant role in evaluating nutritional status and predicting clinical outcomes in critically ill patients. We gathered clinical, biochemical, and BIA data from 66 critically ill patients admitted to an intensive care unit. Patients were divided into three nutritional status groups according to their serum albumin level and total lymphocyte counts. The BIA results, conventional indicators of nutrition status, and clinical outcomes were compared and analyzed retrospectively. Results showed that the BIA indices including phase angle (PhA), extracellular water (ECW), and ECW/total body water (TBW) were significantly associated with the severity of nutritional status. Particularly, PhA, an indicator of the health of the cell membrane, was higher in the well-nourished patient group, whereas the edema index (ECW/TBW) was higher in the severely malnourished patient group. PhA was positively associated with albumin and ECW/TBW was negatively associated with serum albumin, hemoglobin, and duration of mechanical ventilation. In non-survivors, PhA was significantly lower and both ECW/TBW and %TBW/fat free mass were higher than in survivors. In conclusion, several BIA indexes including PhA and ECW/TBW may be useful for nutritional assessment and represent significant prognostic factors in the care of critically ill patients.
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Several studies have described advantages of bioimpedance and mainly phase angle in the evaluation of the prognosis of critically ill patients.
“Several studies have described the advantages of bio impedance (36,37,38,39) and mainly phase angle (40) in the evaluation of the prognosis of critically ill patients.”
From ESPEN guideline on clinical nutrition in the intensive care unit. (2019) · cites this paper as [38]
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ESPEN guideline on clinical nutrition in the intensive care unit.
Singer, P., Blaser, A. R., Berger, M. M., Alhazzani, W., Calder, P. C., Casaer, M. P., Hiesmayr, M., Mayer, K., Montejo, J. C., Pichard, C., et al. (2019) · Clinical Nutrition · doi:10.1016/j.clnu.2018.08.037 · Cited by 2,904 · see citing works
Phase angle and mortality: a systematic review
Garlini, L. M., Alves, F. D., Ceretta, L. B., Perry, I. S., Souza, G. C., & Clausell, N. O. (2019) · European Journal of Clinical Nutrition · doi:10.1038/s41430-018-0159-1 · Cited by 277 · see citing works
Gonzalez‐Granda, A., Schollenberger, A., Haap, M., Riessen, R., & Bischoff, S. C. (2019) · Journal of Parenteral and Enteral Nutrition · doi:10.1002/jpen.1450 · Cited by 40 · see citing works
- Authors
- Lee, Y., Kwon, O., Shin, C. S., & Lee, S. M.
- Affiliations
- Ewha Womans University (KR)
- Yonsei University (KR)
- Gangnam Severance Hospital (KR)
- Corresponding author
- Lee, Song Mi
- Venue
- Clinical Nutrition Research
- Publisher
- Korean Society of Clinical Nutrition
- Published
- 2015
- Volume
- 4
- Issue
- 1
- Pages
- 32
- ISSN
- 2287-3732 (ISSN-L)
- 2287-3740
- PMC
- PMC4337921
- OpenAlex
- W2088042433
- Cited by
- 122
- References
- 0
- Citations by year
- 2026: 6 · 2025: 8 · 2024: 14 · 2023: 16 · 2022: 13 · 2021: 16 · 2020: 10 · 2019: 11 · 2018: 14 · 2017: 8 · 2016: 4 · 2015: 2
- FWCI
- 6.88
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Clinical Nutrition Research (publishedVersion, cc-by-nc)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- YUHSpace (Yonsei University Medical Library) (submittedVersion, cc-by-nc-nd)
- Topics
- Health Sciences › Medicine › Physiology › Body Composition Measurement Techniques
- Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Keywords
- bioelectrical impedance analysis, nutritional assessment, malnutrition, critically ill patients, intensive care unit, phase angle, extracellular water, edema index, serum albumin, total lymphocyte count, body composition, fat-free mass, mechanical ventilation duration, mortality prediction, prognostic factors
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