Phase angle and Bioelectrical Impedance Vector Analysis (BIVA) in Amyotrophic Lateral Sclerosis (ALS) patients

dc.contributor.authorLais, Lucia Leite
dc.contributor.authorCunha, Thais Alves
dc.contributor.authorLopes, Márcia Marília Gomes Dantas
dc.contributor.authorBrito, Acsa Nara de Araújo
dc.contributor.authorSerpa, Karina Marques Vermeulen
dc.contributor.authorVale, Sancha Helena de Lima
dc.contributor.authorBrandão Neto, José
dc.contributor.authorIDhttps://orcid.org/0000-0002-8061-7048pt_BR
dc.date.accessioned2024-12-02T20:00:23Z
dc.date.available2024-12-02T20:00:23Z
dc.date.issued2024
dc.description.resumoPhase angle (PhA) and bioelectrical impedance vector analysis (BIVA) have emerged as valuable tools for assessing nutritional status and prognosis in various patient populations, but there is a lack of studies in rare neurodegenerative diseases. The purpose of this cross-sectional study was to investigate these bioelectrical parameters in patients with amyotrophic lateral sclerosis (ALS), compared with healthy peers. The tetrapolar impedance method was applied and bioimpedance analysis (BIA) was performed. Bioelectrical parameters were obtained (Resistance—R; Reactance—Xc) or calculated (PhA; BIVA). For BIVA, bivariate vectors and confidence ellipses were graphically represented. In addition, R and Xc were used to determine body composition (BC) (Fat Mass—FM; Fat-Free Mass—FFM; and Total Body Water—TBW). In this study, 40 participants were divided into two groups: case group (n = 20, ALS patients) and control group (n = 20, healthy subjects. Our main results showed that ALS patients presented low levels of BMI, FFM, R, and Xc adjusted by height (R/H, Xc/H), hydration, and cellularity, compared to the healthy subjects. Our findings highlight BC and bioelectrical parameters, including PhA and BIVA, as valuable indicators of nutrition status, which should be implemented in the nutrition care process of ALS patients during the disease course.pt_BR
dc.identifier.citationCUNHA, Thais Alves; LOPES, Márcia Marília Gomes Dantas; BRITO, Acsa Nara de Araújo; VERMEULEN-SERPA, Karina Marques; VALE, Sancha Helena de Lima; BRANDÃO-NETO, José ; LAIS, Lucia Leite. Phase Angle and Bioelectrical Impedance Vector Analysis (BIVA) in Amyotrophic Lateral Sclerosis (ALS) Patients. Applied Sciences-Basel, v. 14, p. 1545, 2024. DOI: https://doi.org/10.3390/app14041545. Disponível em: https://www.mdpi.com/2076-3417/14/4/1545. Acesso em: 16 out. 2024.pt_BR
dc.identifier.issn2076-3417
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/60707
dc.languageenpt_BR
dc.publisherApplied Sciences-Baselpt_BR
dc.rightsAttribution 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/br/*
dc.subjectAmyotrophic lateral sclerosispt_BR
dc.subjectBody compositionpt_BR
dc.subjectElectric impedancept_BR
dc.titlePhase angle and Bioelectrical Impedance Vector Analysis (BIVA) in Amyotrophic Lateral Sclerosis (ALS) patientspt_BR
dc.typearticlept_BR

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