Results 31 to 40 of about 14,022 (191)

Circular motion analysis of time-varying bioimpedance [PDF]

Physiological Measurement, 2015
This paper presents a step forward towards the analysis of a linear periodically time-varying (PTV) bioimpedance ZPTV(jw, t), which is an important subclass of a linear time-varying (LTV) bioimpedance. Similarly to the Fourier coefficients of a periodic signal, a PTV impedance can be decomposed into frequency dependent impedance phasors, [Formula: see ...
Sanchez, Benjamin, Louarroudi, Ebrahim, Rutkove, S.B., Pintelon, Rik   +3 more
openaire   +3 more sources

Bioimpedance analysis in patients with chronic kidney disease

Journal of Renal Care, 2023
In recent years the use of bioimpedance analysis (BIA) for assessment of fluid status as well as body composition as a mean to assess nutritional status in CKD has increased. The interest in the method is due to the associations between fluid overload and cardiovascular disease, and between fluid overload and malnutrition, both of which contribute to ...
Eyre, Sintra, Stenberg, Jenny, Wallengren, Ola, Keane, David M., Avesani, Carla, Bosaeus, Ingvar, Clyne, Naomi, Heimburger, Olof, Indurain, Ainhoa, Johansson, Ann-Cathrine, Lindholm, Bengt, Seoane, Fernando, Trondsen, Mia, SWEBIS network,   +13 more
openaire   +5 more sources

Reproducibility analysis of bioimpedance-based self-developed live cell assays

Scientific Reports
Bioimpedance spectrum (BIS) measurements have a great future in in vitro experiments, meeting all the requirements for non-destructive and label-free methods. Nevertheless, a real basic research can provide the necessary milestones to achieve the success
Zoltan Vizvari, Nina Gyorfi, Gergo Maczko, Reka Varga, Rita Jakabfi-Csepregi, Zoltan Sari, Andras Furedi, Eszter Bajtai, Flora Vajda, Vladimir Tadic, Peter Odry, Zoltan Karadi, Attila Toth   +12 more
doaj   +1 more source

External validation of BIA equations to estimate appendicular skeletal muscle mass in older adults: Importance of the bias analysis and derivation of correction factors to achieve agreement

Frontiers in Nutrition, 2022
There are several equations based on bioelectrical impedance analysis (BIA) to estimate with high precision appendicular skeletal muscle mass (ASM). However, most of the external validation studies have reported that these equations are inaccurate or ...
María Cáñez-Ríos, Julián Esparza-Romero, Rogelio González-Arellanes, Maribel Ramírez-Torres, Maribel Ramírez-Torres, Guadalupe Figueroa-Pesqueira, René Urquidez-Romero, Diana Beatriz Rangel-Peniche, Heliodoro Alemán-Mateo   +8 more
doaj   +1 more source

A High‐Precision Dynamic Movement Recognition Algorithm Using Multimodal Biological Signals for Human–Machine Interaction

Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This article describes a multimodal fusion data acquisition and processing system about electromyography for dynamic movement recognition and bioelectrical impedance for key posture recognition. In addition, a new dynamic–static fusion algorithm strategy is designed.
Chenhao Cao, Gang Ma, Zelin Chen, Yiming Ouyang, Hu Jin, Shiwu Zhang   +5 more
wiley   +1 more source

Bioimpedance spectroscopy in haemodynamic analysis

Journal of Physics: Conference Series, 2010
Venous insufficiency is estimated to affect between 10% and 35% of the population in the US with symptoms ranging from mild discomfort to chronic ulceration which may reduce quality of life. Early diagnosis is the key to pre-emptive treatment. We have previously reported [5] an impedance technique for measurement of calf muscle pump function although ...
McCullagh, W. A. M., Ward, L. C.
openaire   +2 more sources

Assessment of Growth in Cardio‐Facio‐Cutaneous Syndrome

American Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Cardio‐facio‐cutaneous (CFC) syndrome is a rare, multiple congenital anomaly disorder in which individuals commonly experience faltering growth; however, systematic analysis of growth parameters in this disorder has not been performed. We recruited 69 participants with CFC through CFC International and collected data on assessing height ...
Kari Johnston, Sandesh C. S. Nagamani, Bradley S. Miller, Katherine A. Rauen, Richard D. Boyce, Salma Musaad, Pilar L. Magoulas   +6 more
wiley   +1 more source

Flexible wearable electronics for cardiovascular monitoring from surface signals to deep physiological insights

FlexMat, EarlyView.
This review organizes flexible wearable electronics for cardiovascular monitoring into four interconnected information layers: surface electrophysiology, hemodynamic sensing, vascular imaging, and biofluid biomarker analysis. This framework clarifies how electrical rhythm, vascular loading, structural and flow‐related features, and biochemical states ...
Qiao Chen, Hongwen Chen, Yuanyuan Li, Pingan Yang, Rui Li, Zhihao Zhou   +5 more
wiley   +1 more source

Advances in Evaluating Fluid Levels: Bioimpedance in Patients with Kidney Failure

NTU Journal of Engineering and Technology
This study delves deeply into the various facets of bioimpedance analysis as it relates to the development of chronic kidney disease (CKD). The use of bioimpedance spectroscopy (BIS) to evaluate the effectiveness of peritoneal dialysis (PD) and ...
Harith Abdelkareem Baker, Mohammed Sabah Jarjees, Amer Farhan Sheet, Thair Hawas Hamed   +3 more
doaj   +1 more source

Measurement Tools for Radiation‐Induced Fibrosis in Head and Neck Cancer: A Systematic Review

Head &Neck, EarlyView.
ABSTRACT Background Radiation‐induced fibrosis is a common, often debilitating late effect of head and neck cancer (HNC) treatment. An updated systematic review is needed to evaluate the reliability, validity, and clinical utility of fibrosis measurement tools.
Vanessa Helou, Pooja D. Reddy, Purva H. Rumde, Mary L. Klem, Sagar G. Kansara, Oldrich Virag, Yvonne M. Mowery, Nicole N. Scheff, Matthew E. Spector, Shaum Sridharan, Marci L. Nilsen, Kevin J. Contrera   +11 more
wiley   +1 more source