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da Silva BR, Orsso CE, Gonzalez MC, Sicchieri JMF, Mialich MS, Jordao AA, Prado CM. Phase angle and cellular health: inflammation and oxidative damage. Rev Endocr Metab Disord 2022; 24:543-562. [PMID: 36474107 PMCID: PMC9735064 DOI: 10.1007/s11154-022-09775-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/28/2022] [Indexed: 12/12/2022]
Abstract
Phase angle is a composite measure that combines two raw bioelectrical impedance analysis measures: resistance and reactance. Phase angle has been considered an indicator of cellular health, integrity, and hydration. As inflammation and oxidative stress can damage cellular structures, phase angle has potential utility in early detecting inflammatory and oxidative status. Herein, we aimed to critically review the current understanding on the determinants of phase angle and its relationship with markers of inflammation and oxidative stress. We also discussed the potential role of phase angle in detecting chronic inflammation and related adverse outcomes. Several factors have been identified as predictors of phase angle, including age, sex, extracellular to intracellular water ratio, and fat-free mass. In addition to these factors, body mass index (BMI) also seems to influence phase angle. Available data also show that lower phase angle values are correlated (negligible to high correlation coefficients) with higher c-reactive protein, tumour necrosis factor-α, interleukin-6, and interleukin-10 in studies involving the general and aging populations, as well as patients with chronic conditions. Although fewer studies have evaluated the relationship between phase angle and markers of oxidative stress, available data also suggest that phase angle has potential to be used as an indicator (for screening) of oxidative damage. Future studies including diverse populations and bioelectrical impedance devices are required to confirm the validity and accuracy of phase angle as a marker of inflammation and oxidative stress for clinical use.
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Affiliation(s)
- Bruna Ramos da Silva
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, Canada
| | - Camila E Orsso
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, Canada
| | - Maria Cristina Gonzalez
- Postgraduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Juliana Maria Faccioli Sicchieri
- Department of Health Sciences, Division of Nutrition and Metabolism, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Mirele Savegnago Mialich
- Department of Health Sciences, Division of Nutrition and Metabolism, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Alceu A Jordao
- Department of Health Sciences, Division of Nutrition and Metabolism, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Carla M Prado
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, Canada.
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da Silva BR, Rufato S, Mialich MS, Cruz LP, Gozzo T, Jordao AA. An Evaluation of Metabolic, Dietetic, and Nutritional Status Reveals Impaired Nutritional Outcomes in Breast Cancer Patients. Nutr Cancer 2022; 74:3611-3622. [PMID: 35762504 DOI: 10.1080/01635581.2022.2093388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Nutritional status can change in breast cancer patients after treatment. However, the metabolic implications of those alterations are poorly understood. We used a cross-sectional study design to compare body composition, lipids, glucose levels, and adiposity indices in breast cancer patients with a matched control and a healthy group. We recruited women who completed their chemotherapy (BC group) and compared them with a group of women without cancer age and body mass index-paired (MC group) and a group of healthy women (HC group). We estimated body composition by bioelectrical impedance analysis, physical function by handgrip strength, and food consumption by 24-hour food record. A blood sample was collected. We calculated visceral obesity indices (VAI and LAP) and insulin resistance-triglyceride glucose (TyG). Eighty-eight women were included (BC = 36, MC = 36, HC = 16). BC patients demonstrated worse phase angle values, nutritional risk index and lower handgrip strength. Additionally, according to the indices, BC had impairments in lipids, worse glucose levels, and elevated visceral fat adiposity and presented important unhealthy dietary patterns characterized by under-recommended protein consumption and higher caloric intake than the other groups. No differences were observed between both control groups. Further investigations are required to examine the underlying mechanisms and the potential longitudinal changes during surveillance.
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Affiliation(s)
- Bruna Ramos da Silva
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo (USP), São Paulo, Brazil
| | - Sarah Rufato
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo (USP), São Paulo, Brazil
| | - Mirele S Mialich
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo (USP), São Paulo, Brazil
| | - Loris P Cruz
- Nursing School of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Thais Gozzo
- Nursing School of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Alceu A Jordao
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo (USP), São Paulo, Brazil
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Ramos da Silva B, Rufato S, Mialich MS, Cruz LP, Gozzo T, Jordao AA. Metabolic syndrome and unfavorable outcomes on body composition and in visceral adiposities indexes among early breast cancer women post-chemotherapy. Clin Nutr ESPEN 2021; 44:306-315. [PMID: 34330483 DOI: 10.1016/j.clnesp.2021.06.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/27/2021] [Accepted: 06/01/2021] [Indexed: 12/30/2022]
Abstract
PURPOSE The study objected to investigate potential changes in metabolic, dietary, and nutritional status in women with stages I-III breast cancer exposed to chemotherapy. METHODS Women who were starting chemotherapy with no previous treatment were recruited. Anthropometrics, bioelectrical impedance analysis, handgrip strength, blood pressure and blood sample were collected. Visceral adiposity index and lipid accumulation product were calculated. Dietary intake was evaluated, and the multiple source methods program was applied. Metabolic syndrome (MetS) was assessed following the NCEP-ATP III criteria (defined as 3 of 5 components of MetS). All data were collected at 2-time points: diagnosis (T0) and after 1 month of completion of therapy (T1). Mean, standard deviation, percentage, and ANOVA in SAS Studio® were used to explore the results. RESULTS 61 women were included. We did not find any changes in anthropometrics and body composition. However, phase angle, extracellular water (EX) and ratio EX to total body water had expressive changes (p < 0.001). The results showed changes in lipid profile (p < 0.001), and greater unfavorable outcomes on adiposities index (p < 0.001). At the end of the study, 68,8% (N = 42) of the women developed MetS post-chemotherapy. CONCLUSION We have found supporting evidence for chemotherapy treatment resulting in worsening of nutritional markers, lipid profile and adiposity markers. After chemotherapy part of the sample developed MetS, even without changes in body weight, fat mass, and food intake. Breast cancer patients may benefit from targeted interventions before starting chemotherapy to prevent MetS post-treatment, and therefore reduce the risk of cardiovascular disease. Further investigation into this theme is needed.
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Affiliation(s)
- Bruna Ramos da Silva
- Department of Health Sciences, Ribeirão Preto Medical School. University of Sao Paulo, 3900, Bandeirantes Avenue, Ribeirão Preto, São Paulo, Brazil.
| | - Sarah Rufato
- Department of Health Sciences, Ribeirão Preto Medical School. University of Sao Paulo, 3900, Bandeirantes Avenue, Ribeirão Preto, São Paulo, Brazil
| | - Mirele S Mialich
- Department of Health Sciences, Ribeirão Preto Medical School. University of Sao Paulo, 3900, Bandeirantes Avenue, Ribeirão Preto, São Paulo, Brazil
| | - Loris P Cruz
- Nursing School of Ribeirão Preto, University of Sao Paulo, 3900, Bandeirantes Avenue, Ribeirão Preto, São Paulo, Brazil
| | - Thais Gozzo
- Nursing School of Ribeirão Preto, University of Sao Paulo, 3900, Bandeirantes Avenue, Ribeirão Preto, São Paulo, Brazil
| | - Alceu A Jordao
- Department of Health Sciences, Ribeirão Preto Medical School. University of Sao Paulo, 3900, Bandeirantes Avenue, Ribeirão Preto, São Paulo, Brazil
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Pagano AP, Sicchieri JMF, Schiavoni IL, Barbeiro D, Manca CS, da Silva BR, Bezerra AE, Pinto LCM, Araújo RC, Teixeira AC, Chiarello PG. Phase angle as a severity indicator for liver diseases. Nutrition 2020; 70:110607. [DOI: 10.1016/j.nut.2019.110607] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 08/08/2019] [Accepted: 09/30/2019] [Indexed: 12/12/2022]
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Silva BRD, França FT, Cicotti NF, D’elia MPB, Costa JLF. Melanoma sobre nevo spilus. S&CD 2020. [DOI: 10.5935/scd1984-8773.20201233680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Mialich MS, Dos Santos AP, da Silva BR, de Paula FJA, Jordão AA, Navarro AM. Relationship Between Adiposity Indices, Lipodystrophy, and Sarcopenia in HIV-Positive Individuals With and Without Lipodystrophy. J Clin Densitom 2017; 20:73-81. [PMID: 27439325 DOI: 10.1016/j.jocd.2016.06.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 06/22/2016] [Indexed: 12/20/2022]
Abstract
Metabolism disorders, as well as body shape abnormalities, have been associated with the introduction of antiretroviral therapy. The objective of this study was to compare the diagnostic ability of adiposity indices and to discuss criteria for the classification of lipodystrophy and sarcopenia (SP) in HIV-positive individuals. Anthropometric measurements were determined in 268 individuals of both genders, also submitted to the dual-energy X-ray absorptiometry exam. The adiposity indices calculated were body mass index, body mass index adjusted for fat mass (BMIfat), body adiposity index, body adiposity Index for the Fels Longitudinal Study sample, and The Clínica Universidad de Navarra body adiposity estimator. The presence of lipodystrophy was evaluated using the fat mass ratio (FMR). SP was classified using the appendicular lean mass/height2 ratio. The subjects were divided into 3 groups: HIV+LIPO+ (n = 41), HIV+LIPO- (n = 65), and control (C, HIV-negative individuals; n = 162). Among the adiposity indices assessed, BMIfat showed the strongest correlation with total body fat (in percent) for men (r = 0.87, p < 0.001) and women (r = 0.92, p < 0.001). The frequency of SP was 44.8% and 41.7% in HIV+LIPO+, 27.8% and 20.7% in HIV+LIPO- and 63.3% and 45.45% in C, for men and women, respectively. The cutoff point suggested for the diagnosis of lipodystrophy according to the FMR was 1.14. The adiposity indices, particularly the BMIfat, have strong correlation with body fat determined by dual-energy X-ray absorptiometry in HIV-positive patients. The implementation of FMR is recommended for more standardized estimates of the frequency of lipodystrophy.
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Affiliation(s)
- Mirele Savegnago Mialich
- Department of Internal Medicine, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, São Paulo, Brazil.
| | - André Pereira Dos Santos
- Department of Internal Medicine, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, São Paulo, Brazil
| | - Bruna Ramos da Silva
- Department of Internal Medicine, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, São Paulo, Brazil
| | | | - Alceu Afonso Jordão
- Department of Internal Medicine, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, São Paulo, Brazil
| | - Anderson Marliere Navarro
- Department of Internal Medicine, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, São Paulo, Brazil
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