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A handheld and textile-enabled bioimpedance system for ubiquitous body composition analysis.: An initial functional validation
KTH, School of Technology and Health (STH), Medical Engineering. Högskolan i Borås. (Medicinska sensorer, signaler och system (MSSS), Medical sensors, signals and systems (MSSS))ORCID iD: 0000-0002-6605-4998
Technical University of Madrid.ORCID iD: 0000-0002-1183-4401
KTH, School of Technology and Health (STH), Medical Engineering. (Medicinska sensorer, signaler och system (MSSS), Medical sensors, signals and systems (MSSS))ORCID iD: 0000-0003-4853-7731
KTH, School of Technology and Health (STH), Medical Engineering. Högskolan i Borås, Akademin för vård, arbetsliv och välfärd. (Medicinska sensorer, signaler och system (MSSS), Medical sensors, signals and systems (MSSS))ORCID iD: 0000-0002-6995-967X
2016 (English)In: IEEE journal of biomedical and health informatics, ISSN 2168-2194, E-ISSN 2168-2208Article in journal (Refereed) Published
Abstract [en]

In recent years, many efforts have been made to promote a healthcare paradigm shift from the traditional reactive hospital-centered healthcare approach towards a proactive, patient-oriented and self-managed approach that could improve service quality and help reduce costs while contributing to sustainability. Managing and caring for patients with chronic diseases accounts over 75% of healthcare costs in developed countries. One of the most resource demanding diseases is chronic kidney disease (CKD), which often leads to a gradual and irreparable loss of renal function, with up to 12% of the population showing signs of different stages of this disease. Peritoneal dialysis and home haemodialysis are life-saving home-based renal replacement treatments that, compared to conventional in-center hemodialysis, provide similar long-term patient survival, less restrictions of life-style, such as a more flexible diet, and better flexibility in terms of treatment options and locations. Bioimpedance has been largely used clinically for decades in nutrition for assessing body fluid distributions. Moreover, bioimpedance methods are used to assess the overhydratation state of CKD patients, allowing clinicians to estimate the amount of fluid that should be removed by ultrafiltration. In this work, the initial validation of a handheld bioimpedance system for the assessment of body fluid status that could be used to assist the patient in home-based CKD treatments is presented. The body fluid monitoring system comprises a custom-made handheld tetrapolar bioimpedance spectrometer and a textile-based electrode garment for total body fluid assessment. The system performance was evaluated against the same measurements acquired using a commercial bioimpedance spectrometer for medical use on several voluntary subjects. The analysis of the measurement results and the comparison of the fluid estimations indicated that both devices are equivalent from a measurement performance perspective, allowing for its use on ubiquitous e-healthcare dialysis solutions.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016.
Keyword [en]
wireless, bioimpedance, body composition, electrodes, garment, home care, instrumentation, personalized healthcare, proactive care, self-managed care, sensor, textiles, wearable
National Category
Medical Engineering
Research subject
Applied Medical Technology
Identifiers
URN: urn:nbn:se:kth:diva-199440DOI: 10.1109/JBHI.2016.2628766OAI: oai:DiVA.org:kth-199440DiVA: diva2:1062686
Note

QC 20170119

Available from: 2017-01-08 Created: 2017-01-08 Last updated: 2017-05-17Bibliographically approved
In thesis
1. Modular textile-enabled bioimpedance system for personalized health monitoring applications
Open this publication in new window or tab >>Modular textile-enabled bioimpedance system for personalized health monitoring applications
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

A growing number of factors, including costs, technological advancements, ageing populations, and medical errors, are leading industrialized countries to invest in research on alternative solutions to improve their health-care systems and increase patients’ quality of life. Personal health systems (PHS) examplify the use of information and communication technologies that enable a paradigm shift from the traditional hospital-centered healthcare delivery model toward a preventive and person-centered approach. PHS offer the means to monitor a patient’s health using wearable, portable or implantable systems that offer ubiquitous, unobtrusive biodata

acquisition, allowing remote monitoring of treatment and access to the patient’s status. Electrical bioimpedance (EBI) technology is non-invasive, quick and relatively affordable technique that can be used for assessing and monitoring different health conditions, e.g., body composition assessments for nutrition. When combined with state-of-the-art advances in sensors and textiles, EBI technologies are fostering the implementation of wearable bioimpedance monitors that use functional garments for personalized healthcare applications. This research work is

focused on the development of wearable EBI-based monitoring systems for ubiquitous health monitoring applications. The monitoring systems are built upon portable monitoring instrumentation and custom-made textile electrode garments.

Portable EBI-based monitors have been developed using the latest material technology and advances in system-on-chip technology. For instance, a portable EBI spectrometer has been validated against a commercial spectrometer for total body composition assessment using functional textile electrode garments. The development of wearable EBI-based monitoring units using functional garments and dry textile electrodes for body composition assessment and respiratory monitoring has been shown to be a feasible approach. The availability of these measurement systems indicates progress toward the real implementation of personalized healthcare systems.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2017. 89 p.
Series
TRITA-STH, 2017:6
Keyword
personal healthcare system, electrical bioimpedance, wearable sensors, pervasive monitoring, portable monitoring, body composition, chronic kidney disease, wireless sensor, ubiquitous, instrumentation
National Category
Medical Laboratory and Measurements Technologies
Research subject
Technology and Health
Identifiers
urn:nbn:se:kth:diva-207135 (URN)978-91-7729-377-4 (ISBN)
Public defence
2017-06-02, M402, Allégatan 1, Borås, 10:00 (English)
Opponent
Supervisors
Note

QC 20170517

Available from: 2017-05-17 Created: 2017-05-17 Last updated: 2017-05-17Bibliographically approved

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