Decrease in phase angle after Roux-en-Y gastric bypass is related to increase of anti-inflammatory status

Summary: Background & Aims: Phase angle (PhA) has been used as a prognostic indicator in various clinical conditions. However, its relationship with inflammatory state during obesity treatment is less known. This study investigated the relationship between PhA and inflammatory parameters in...

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Main Authors: Amanda Cristina Araújo Gomes, Amanda Machado Fiorotti, Amanda Motta de Bortoli, Beatriz Bobbio de Brito, João Arthur Souza Fiorido, Luciane Bresciani Salaroli, Andressa Bolsoni Lopes, Fabiano Kenji Haraguchi
Format: Article
Language:English
Published: Elsevier 2025-02-01
Series:Clinical Nutrition Open Science
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Online Access:http://www.sciencedirect.com/science/article/pii/S2667268525000026
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author Amanda Cristina Araújo Gomes
Amanda Machado Fiorotti
Amanda Motta de Bortoli
Beatriz Bobbio de Brito
João Arthur Souza Fiorido
Luciane Bresciani Salaroli
Andressa Bolsoni Lopes
Fabiano Kenji Haraguchi
author_facet Amanda Cristina Araújo Gomes
Amanda Machado Fiorotti
Amanda Motta de Bortoli
Beatriz Bobbio de Brito
João Arthur Souza Fiorido
Luciane Bresciani Salaroli
Andressa Bolsoni Lopes
Fabiano Kenji Haraguchi
author_sort Amanda Cristina Araújo Gomes
collection DOAJ
description Summary: Background &amp; Aims: Phase angle (PhA) has been used as a prognostic indicator in various clinical conditions. However, its relationship with inflammatory state during obesity treatment is less known. This study investigated the relationship between PhA and inflammatory parameters in patients undergoing Roux-en-Y gastric bypass (RYGB). Methods: This is a prospective longitudinal study with patients from the Bariatric and Metabolic Surgery Program of a university hospital. Analyses were conducted pre-RYGB and about two and six months post-RYGB. Assessments included serum levels of alpha-1-acid glycoprotein (AGP), C-reactive protein (CRP), tumor necrosis factor-alpha (TNF-α), adiponectin, and resistin, as well as anthropometric data and body composition. Data were analyzed using the one-way repeated measures ANOVA or Friedman's test, followed by Tukey's post hoc test. Relationship between PhA and biochemical and body parameters were assessed using the Spearman or Pearson correlation coefficient. A significance level of 5% was adopted. Results: Final sample was composed of 23 subjects (87% women), aged 40.6 ± 10.7 years. A significant decrease in PhA values accompanied by an improvement in inflammatory parameters were observed post-RYGB (p<0.05). PhA values was inversely correlated with serum adiponectin concentrations (r= −0.376, p<0.05). In addition, BMI and fat-mass were also significantly correlated with serum adiponectin (r= −0.264 for BMI and r= −0.277 for fat-mass, p<0.05) and TNF-alpha (r= 0.338 for BMI and r= 0.335 for fat-mass, p<0.05), whereas serum resistin was correlated only with fat-mass (r= 0.245, p<0.05). Conclusions: Data suggest that the decrease in PhA values during six months post-RYGB may indicate a concomitant improvement of anti-inflammatory state.
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spelling doaj-art-65bb00e7e77e4f7196f698d18189b8142025-01-23T05:27:55ZengElsevierClinical Nutrition Open Science2667-26852025-02-0159159170Decrease in phase angle after Roux-en-Y gastric bypass is related to increase of anti-inflammatory statusAmanda Cristina Araújo Gomes0Amanda Machado Fiorotti1Amanda Motta de Bortoli2Beatriz Bobbio de Brito3João Arthur Souza Fiorido4Luciane Bresciani Salaroli5Andressa Bolsoni Lopes6Fabiano Kenji Haraguchi7Postgraduate Program in Nutrition and Health, Health Sciences Center, Federal University of Espírito Santo, Av. Mal. Campos, 1468 - Maruípe, Vitória, ES, 29047-100, BrazilPostgraduate Program in Nutrition and Health, Health Sciences Center, Federal University of Espírito Santo, Av. Mal. Campos, 1468 - Maruípe, Vitória, ES, 29047-100, BrazilPostgraduate Program in Nutrition and Health, Health Sciences Center, Federal University of Espírito Santo, Av. Mal. Campos, 1468 - Maruípe, Vitória, ES, 29047-100, BrazilPostgraduate Program in Nutrition and Health, Health Sciences Center, Federal University of Espírito Santo, Av. Mal. Campos, 1468 - Maruípe, Vitória, ES, 29047-100, BrazilDepartment of Integrated Health Education, Health Sciences Center, Federal University of Espírito Santo, Av. Maruípe, 1386 - Maruípe, Vitória, ES, 29047-185, BrazilPostgraduate Program in Nutrition and Health, Health Sciences Center, Federal University of Espírito Santo, Av. Mal. Campos, 1468 - Maruípe, Vitória, ES, 29047-100, Brazil; Department of Integrated Health Education, Health Sciences Center, Federal University of Espírito Santo, Av. Maruípe, 1386 - Maruípe, Vitória, ES, 29047-185, BrazilPostgraduate Program in Nutrition and Health, Health Sciences Center, Federal University of Espírito Santo, Av. Mal. Campos, 1468 - Maruípe, Vitória, ES, 29047-100, BrazilPostgraduate Program in Nutrition and Health, Health Sciences Center, Federal University of Espírito Santo, Av. Mal. Campos, 1468 - Maruípe, Vitória, ES, 29047-100, Brazil; Department of Integrated Health Education, Health Sciences Center, Federal University of Espírito Santo, Av. Maruípe, 1386 - Maruípe, Vitória, ES, 29047-185, Brazil; Corresponding author. Postgraduate Program in Nutrition and Health, Health Sciences Center, Federal University of Espírito Santo, Vitória, ES, CEP: 29040-090, Brazil.Summary: Background &amp; Aims: Phase angle (PhA) has been used as a prognostic indicator in various clinical conditions. However, its relationship with inflammatory state during obesity treatment is less known. This study investigated the relationship between PhA and inflammatory parameters in patients undergoing Roux-en-Y gastric bypass (RYGB). Methods: This is a prospective longitudinal study with patients from the Bariatric and Metabolic Surgery Program of a university hospital. Analyses were conducted pre-RYGB and about two and six months post-RYGB. Assessments included serum levels of alpha-1-acid glycoprotein (AGP), C-reactive protein (CRP), tumor necrosis factor-alpha (TNF-α), adiponectin, and resistin, as well as anthropometric data and body composition. Data were analyzed using the one-way repeated measures ANOVA or Friedman's test, followed by Tukey's post hoc test. Relationship between PhA and biochemical and body parameters were assessed using the Spearman or Pearson correlation coefficient. A significance level of 5% was adopted. Results: Final sample was composed of 23 subjects (87% women), aged 40.6 ± 10.7 years. A significant decrease in PhA values accompanied by an improvement in inflammatory parameters were observed post-RYGB (p<0.05). PhA values was inversely correlated with serum adiponectin concentrations (r= −0.376, p<0.05). In addition, BMI and fat-mass were also significantly correlated with serum adiponectin (r= −0.264 for BMI and r= −0.277 for fat-mass, p<0.05) and TNF-alpha (r= 0.338 for BMI and r= 0.335 for fat-mass, p<0.05), whereas serum resistin was correlated only with fat-mass (r= 0.245, p<0.05). Conclusions: Data suggest that the decrease in PhA values during six months post-RYGB may indicate a concomitant improvement of anti-inflammatory state.http://www.sciencedirect.com/science/article/pii/S2667268525000026Bariatric surgeryPhase angleAdiponectinAnti-inflammatory profile
spellingShingle Amanda Cristina Araújo Gomes
Amanda Machado Fiorotti
Amanda Motta de Bortoli
Beatriz Bobbio de Brito
João Arthur Souza Fiorido
Luciane Bresciani Salaroli
Andressa Bolsoni Lopes
Fabiano Kenji Haraguchi
Decrease in phase angle after Roux-en-Y gastric bypass is related to increase of anti-inflammatory status
Clinical Nutrition Open Science
Bariatric surgery
Phase angle
Adiponectin
Anti-inflammatory profile
title Decrease in phase angle after Roux-en-Y gastric bypass is related to increase of anti-inflammatory status
title_full Decrease in phase angle after Roux-en-Y gastric bypass is related to increase of anti-inflammatory status
title_fullStr Decrease in phase angle after Roux-en-Y gastric bypass is related to increase of anti-inflammatory status
title_full_unstemmed Decrease in phase angle after Roux-en-Y gastric bypass is related to increase of anti-inflammatory status
title_short Decrease in phase angle after Roux-en-Y gastric bypass is related to increase of anti-inflammatory status
title_sort decrease in phase angle after roux en y gastric bypass is related to increase of anti inflammatory status
topic Bariatric surgery
Phase angle
Adiponectin
Anti-inflammatory profile
url http://www.sciencedirect.com/science/article/pii/S2667268525000026
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