Association between phase angle and daily creatinine excretion changes in critically ill patients: an approach to muscle mass

Assessing muscle mass in critically ill patients remains challenging. This retrospective cohort study explores the potential of phase angle (PA°) derived from bioelectrical impedance analysis (BIA) as a surrogate marker for muscle mass monitoring by associating it with daily creatinine excretion (DC...

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Main Authors: Patricio Vargas-Errázuriz, Natalia Dreyse, René López, Marcelo Cano-Cappellacci, Jerónimo Graf, Julia Guerrero
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Physiology
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Online Access:https://www.frontiersin.org/articles/10.3389/fphys.2024.1508709/full
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author Patricio Vargas-Errázuriz
Patricio Vargas-Errázuriz
Natalia Dreyse
Natalia Dreyse
Natalia Dreyse
René López
René López
Marcelo Cano-Cappellacci
Jerónimo Graf
Julia Guerrero
Julia Guerrero
author_facet Patricio Vargas-Errázuriz
Patricio Vargas-Errázuriz
Natalia Dreyse
Natalia Dreyse
Natalia Dreyse
René López
René López
Marcelo Cano-Cappellacci
Jerónimo Graf
Julia Guerrero
Julia Guerrero
author_sort Patricio Vargas-Errázuriz
collection DOAJ
description Assessing muscle mass in critically ill patients remains challenging. This retrospective cohort study explores the potential of phase angle (PA°) derived from bioelectrical impedance analysis (BIA) as a surrogate marker for muscle mass monitoring by associating it with daily creatinine excretion (DCE), a structural and metabolic muscle mass marker. In 20 ICU patients, we observed a linear relationship between PA° and DCE at initial (S1) and follow-up (S2) points, with Rho values of 0.78 and 0.65, respectively, as well as between their percentage changes (Rho = 0.80). Multivariate analysis confirmed a strong association between changes in PA° and DCE (adjusted R2 of 0.73), while changes in the extracellular water to total body water (ECW/TBW) ratio showed no significant association. This study establishes a relationship between a BIA-derived independent-weight parameter and DCE, highlighting the potential of PA° for muscle mass monitoring during acute changes, such as those seen in ICU settings. Integrating PA° into clinical practice could provide a non-invasive and reliable tool to enhance muscle assessment and support targeted interventions in critically ill patients.
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institution Kabale University
issn 1664-042X
language English
publishDate 2025-01-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Physiology
spelling doaj-art-f795d3a41f0c46c7b3be349b7a83b1202025-01-07T06:40:22ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2025-01-011510.3389/fphys.2024.15087091508709Association between phase angle and daily creatinine excretion changes in critically ill patients: an approach to muscle massPatricio Vargas-Errázuriz0Patricio Vargas-Errázuriz1Natalia Dreyse2Natalia Dreyse3Natalia Dreyse4René López5René López6Marcelo Cano-Cappellacci7Jerónimo Graf8Julia Guerrero9Julia Guerrero10Grupo Intensivo, Instituto de Ciencias e Innovación en Medicina (ICIM), Facultad de Medicina, Clínica Alemana Universidad del Desarrollo, Santiago, ChileDepartamento de Paciente Crítico, Clínica Alemana de Santiago, Santiago, ChileGrupo Intensivo, Instituto de Ciencias e Innovación en Medicina (ICIM), Facultad de Medicina, Clínica Alemana Universidad del Desarrollo, Santiago, ChileDepartamento de Paciente Crítico, Clínica Alemana de Santiago, Santiago, ChileDepartamento de Farmacia, Clínica Alemana de Santiago, Santiago, ChileGrupo Intensivo, Instituto de Ciencias e Innovación en Medicina (ICIM), Facultad de Medicina, Clínica Alemana Universidad del Desarrollo, Santiago, ChileDepartamento de Paciente Crítico, Clínica Alemana de Santiago, Santiago, ChilePhysical Exercise Sciences Laboratory, Physical Therapy Department, University of Chile, Santiago, ChileDepartamento de Paciente Crítico, Clínica Alemana de Santiago, Santiago, ChileDepartamento de Paciente Crítico, Clínica Alemana de Santiago, Santiago, ChileDisciplinary Program of Physiology and Biophysics, Institute of Biomedical Sciences, Medicine Faculty, University of Chile, Santiago, ChileAssessing muscle mass in critically ill patients remains challenging. This retrospective cohort study explores the potential of phase angle (PA°) derived from bioelectrical impedance analysis (BIA) as a surrogate marker for muscle mass monitoring by associating it with daily creatinine excretion (DCE), a structural and metabolic muscle mass marker. In 20 ICU patients, we observed a linear relationship between PA° and DCE at initial (S1) and follow-up (S2) points, with Rho values of 0.78 and 0.65, respectively, as well as between their percentage changes (Rho = 0.80). Multivariate analysis confirmed a strong association between changes in PA° and DCE (adjusted R2 of 0.73), while changes in the extracellular water to total body water (ECW/TBW) ratio showed no significant association. This study establishes a relationship between a BIA-derived independent-weight parameter and DCE, highlighting the potential of PA° for muscle mass monitoring during acute changes, such as those seen in ICU settings. Integrating PA° into clinical practice could provide a non-invasive and reliable tool to enhance muscle assessment and support targeted interventions in critically ill patients.https://www.frontiersin.org/articles/10.3389/fphys.2024.1508709/fullphase angledaily creatinine excretioncritical caremuscle massbioelectrical impedance analysis
spellingShingle Patricio Vargas-Errázuriz
Patricio Vargas-Errázuriz
Natalia Dreyse
Natalia Dreyse
Natalia Dreyse
René López
René López
Marcelo Cano-Cappellacci
Jerónimo Graf
Julia Guerrero
Julia Guerrero
Association between phase angle and daily creatinine excretion changes in critically ill patients: an approach to muscle mass
Frontiers in Physiology
phase angle
daily creatinine excretion
critical care
muscle mass
bioelectrical impedance analysis
title Association between phase angle and daily creatinine excretion changes in critically ill patients: an approach to muscle mass
title_full Association between phase angle and daily creatinine excretion changes in critically ill patients: an approach to muscle mass
title_fullStr Association between phase angle and daily creatinine excretion changes in critically ill patients: an approach to muscle mass
title_full_unstemmed Association between phase angle and daily creatinine excretion changes in critically ill patients: an approach to muscle mass
title_short Association between phase angle and daily creatinine excretion changes in critically ill patients: an approach to muscle mass
title_sort association between phase angle and daily creatinine excretion changes in critically ill patients an approach to muscle mass
topic phase angle
daily creatinine excretion
critical care
muscle mass
bioelectrical impedance analysis
url https://www.frontiersin.org/articles/10.3389/fphys.2024.1508709/full
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