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Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
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Related Experiment Video

Updated: Jul 16, 2025

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Using Body Composition Analysis for Improved Nutritional Intervention in Septic Patients: A Prospective

Kai-Yin Hung1,2,3, Tzu-Hsiu Chen2, Ya-Fen Lee2

  • 1Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan.

Nutrients
|September 9, 2023
PubMed
Summary

Bio-electrical impedance analysis (BIA) helps tailor nutrition for septic patients, improving intake goals. While not impacting mortality, BIA-guided nutrition may reduce ICU stays and ventilation duration in high-risk patients.

Keywords:
body compositionphase anglesepsis

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Area of Science:

  • Critical Care Medicine
  • Clinical Nutrition
  • Biomedical Engineering

Background:

  • Sepsis management requires precise nutritional support.
  • Body composition influences patient outcomes in critical illness.
  • Bio-electrical impedance analysis (BIA) offers non-invasive body composition assessment.

Purpose of the Study:

  • To evaluate if BIA-guided nutritional adjustments improve outcomes in septic patients.
  • To assess the impact of BIA on caloric and protein intake goals.
  • To explore the relationship between body composition and sepsis severity.

Main Methods:

  • Prospective, randomized, double-blind, interventional study with 132 septic patients.
  • Intervention group received diet formula adjustments based on BIA data (days 1, 3, 8).
  • Patients stratified by modified Nutrition Risk in Critically ill (mNUTRIC) score.

Main Results:

  • Intervention group achieved caloric and protein intake goals more often, particularly low-risk patients.
  • No significant difference in mortality; survival curves suggested potential benefit.
  • Intervention mitigated longer ICU stays and mechanical ventilation in high-risk patients.
  • Differences in body composition variables (e.g., ECW/TBW ratio, phase angle) noted between risk groups.

Conclusions:

  • Non-invasive BIA aids dietitians in optimizing nutrition for critically ill septic patients.
  • BIA-guided nutrition may improve clinical outcomes and resource utilization.
  • Specific body composition metrics may correlate with sepsis outcomes, warranting further investigation.