Results 21 to 30 of about 2,872 (176)

Bioelectrical Impedance Vector Analysis (BIVA) in Exercise and Sports Practice [PDF]

, 2018
[eng] Bioelectrical impedance analysis (BIA) is a non-invasive technique widely used in body composition assessment. Nevertheless, its accuracy is compromised because of its reliance on regression equations and assumptions that are not frequently met.
Castizo Olier, Jorge
openaire   +4 more sources

Body Composition by Bioimpedance in Transgender Women, Cali, Colombia [PDF]

BioMed Research International, Volume 2026, Issue 1, 2026.
Background Nutritional classification based on body composition in transgender populations poses methodological challenges for health professionals, particularly when sex‐based reference criteria are applied. Providing care with a gender‐sensitive approach while acknowledging underlying physiological differences remains a complex issue in clinical ...
Ana Lucia Valenzuela-Gallego, Luis Miguel Becerra-Granados, Adriana Nathaly Castillo-Albarracin, Alén Fernández-González, Poorani Gurumallesh Prabu   +4 more
wiley   +2 more sources

Usefulness of body composition assessment by bioelectrical impedance vector analysis in subacute post-stroke patients in rehabilitation [PDF]

Scientific Reports
Bioelectrical Impedance Vector Analysis (BIVA) is a valuable tool for evaluating hydration and body composition, but its application in subacute post-stroke patients remains unexplored.
Alessandro Guerrini, Mariacristina Siotto, Carola Cocco, Marco Germanotta, Valeria Cipollini, Laura Cortellini, Arianna Pavan, Stefania Lattanzi, Sabina Insalaco, Yeganeh Manon Khazrai, Irene Giovanna Aprile   +10 more
doaj   +2 more sources

Aerobic fitness, phase angle, and bioelectrical impedance vector analysis in adolescents living with HIV: a cross-sectional study [PDF]

Revista Paulista de Pediatria
Objective: To analyze the association between phase angle (PhA) and bioelectrical impedance vector analysis (BIVA) with aerobic fitness in HIV+ adolescents. Methods: Aerobic fitness was assessed using the modified Canadian Aerobic Fitness Test, PhA, and
Marcos Cezar Pitombo da Silva Junior, Diego Augusto Santos Silva, Priscila Custódio Martins, Nassib Bezerra Bueno, Fabiana Andréa Moura, Luiz Rodrigo Augustemak de Lima   +5 more
doaj   +2 more sources

Bioelectric Impedance Vector Analysis (BIVA) in Breast Cancer Patients: A Tool for Research and Clinical Practice

Medicina, 2019
Background and objectives: Body composition assessment can provide information associated with breast cancer patients’ (BCP) prognosis, that can lead interventions to improve survival outcomes. The aim of this study was to evaluate the effect of an
Ana Teresa Limon-Miro, Mauro E. Valencia, Veronica Lopez-Teros, Alan Eduardo Guzman-Leon, Herminia Mendivil-Alvarado, Humberto Astiazaran-Garcia   +5 more
doaj   +2 more sources

Relevance of standardized phase angle and bioelectrical impedance vectors in hospitalized older patients: A cohort study [PDF]

Nutrition in Clinical Practice, Volume 41, Issue 1, Page 245-254, February 2026.
Abstract Background The prognostic significance of standardized phase angle (StPhA) and bioelectrical impedance vector analysis (BIVA) remains unclear among hospitalized older individuals. Our study aimed to investigate the prognostic significance of StPhA and BIVA patterns concerning overall survival in hospitalized older patients.
Nahara Oliveira Lima da Silva Diniz, Jarson P. Costa‐Pereira, Claudia Porto Sabino Pinho Ramiro, Maria da Conceição Chaves de Lemos, Fabiana Cristina Lima da Silva Pastich Gonçalves, Alcides da Silva Diniz, Márcia Marília Gomes Dantas Lopes, Ana Paula Trussardi Fayh, Ilma Kruze Grande de Arruda   +8 more
wiley   +2 more sources

Efficacy of specific bioelectrical impedance vector analysis (BIVA) for assessing body composition in the elderly

The Journal of nutrition, health and aging, 2013
This study aimed to ascertain the efficacy of bioelectrical impedance vector analysis (BIVA) in assessing body composition in the elderly by comparing findings with the results of dual-energy X-ray absorptiometry (DXA), and to test an analytical variant of the method (specific BIVA).Cross-sectional study.The sample comprised 207 free-living elderly ...
MARINI, ELISABETTA, Sergi G, Succa V, SARAGAT, BRUNO, Sarti S, Coin A, Manzato E, BUFFA, ROBERTO   +7 more
core   +4 more sources

BIVA: A Very Deep Hierarchy of Latent Variables for Generative Modeling

CoRR, 2019
With the introduction of the variational autoencoder (VAE), probabilistic latent variable models have received renewed attention as powerful generative models. However, their performance in terms of test likelihood and quality of generated samples has been surpassed by autoregressive models without stochastic units.
Lars Maaløe, Marco Fraccaro, Valentin Liévin, Ole Winther   +3 more
openaire   +5 more sources

Bioelectrical impedance vector analysis in older adults: reference standards from a cross-sectional study [PDF]

Frontiers in Nutrition
Background and AimsThe bioelectrical impedance vector analysis (BIVA) requires population-specific references to correctly classify individuals based on body composition properties. The aim of this study was: (i) to develop new references specific to the
Francesco Campa, Giuseppe Annunziata, Luigi Barrea, Alessandro Sampieri, Chiara Ceolin, Chiara Ceolin, Marina De Rui, Francesco Sguaizer, Cristian Petri, Fabrizio Spataro, Gabriele Mascherini, Margherita Micheletti Cremasco, Giuseppe Sergi, Tatiana Moro, Antonio Paoli   +14 more
doaj   +2 more sources

Predictive classification and regression models for bioimpedance vector analysis: Insights from a southern Cuban cohort [PDF]

Journal of Electrical Bioimpedance
This study used predictive models to explore the link between bioparameters at characteristic frequency and their positions within tolerance ellipses in a southern Cuban cohort.
Bello Jose Luis García, Luna Taira Batista, Pham-Ho My Phuong, Nguyen Minh Tho, Lafargue Alcibíades Lara, Ciria Héctor Manuel Camué, Zulueta Yohandys A.   +6 more
doaj   +2 more sources