The following conditions are optimal for obtaining an adequate number of informative images by electric impedance tomography: a) patient seated or standing with hands at the nape of the neck; b) breathing at rest; c) recording of at least 300 images (at a frequency of 10 Hz), and d) readings taken at the sixth intercostal space.
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http://dx.doi.org/10.1016/s1579-2129(06)60146-8 | DOI Listing |
Front Bioeng Biotechnol
December 2024
Electrical and Computer Engineering Department, Lebanese American University, Byblos, Lebanon.
This scoping review summarizes two emerging electrical impedance technologies: electrical impedance myography (EIM) and electrical impedance tomography (EIT). These methods involve injecting a current into tissue and recording the response at different frequencies to understand tissue properties. The review discusses basic methods and trends, particularly the use of electrodes: EIM uses electrodes for either injection or recording, while EIT uses them for both.
View Article and Find Full Text PDFBioelectrochemistry
December 2024
Department of Biomedical Engineering, Fourth Military Medical University, Xi'an 710032, China. Electronic address:
An electrical characteristics extraction and analysis method for membrane of medaka embryo during its development using Electrical Impedance Spectroscopy (EIS) is proposed. The proposed method is non-invasive, it doesn't affect the embryo's development. Embryo's equivalent electrical circuit (EEC) model is established to extract membrane's electrical characteristics, it is used to fit the embryo's electrical impedance curves in different developmental stages.
View Article and Find Full Text PDFSci Adv
December 2024
Beijing Key Laboratory of Micro-Nano Energy and Sensor, Center for High-Entropy Energy and Systems, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, P. R. China.
Tissue imaging is usually captured by hospital-based nuclear magnetic resonance. Here, we present a wearable triboelectric impedance tomography (TIT) system for noninvasive imaging of various biological tissues. The imaging mechanism relies on the obtained impedance information from the different soft human tissues.
View Article and Find Full Text PDFJ Nutr Sci
December 2024
Kidney Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Renal sinus fat (RSF) crucially influences metabolic regulation, inflammation, and vascular function. We investigated the association between RSF accumulation, metabolic disorders, and nutritional status in obese individuals with hypertension. A cross-sectional study involved 51 obese hypertensive patients from Salamat Specialized Community Clinic (February-September 2022).
View Article and Find Full Text PDFJ Clin Anesth
December 2024
Hospices Civils de Lyon, Département d'anesthésie, Hôpital Femme Mère Enfant, F - 69500 Bron, France; Agressions Pulmonaires et Circulatoires dans le Sepsis (APCSe), VetAgro Sup, Universités de Lyon, F-69280 Marcy l'Etoile, France. Electronic address:
Study Objective: To evaluate the impact of positive end-expiratory pressure (PEEP) with or without pressure support ventilation (PSV) on the lung volume and the ventilation distribution during inhalational induction of anesthesia in children.
Design: Prospective observational clinical pilot-study.
Setting: University Children's Hospital of Lyon, France.
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